<?xml version="1.0" encoding="US-ASCII"?>
<!-- RR Donnelley Xcelerate Taxonomy Schema, based on XBRL 2.1  http://www.edgar-online.com/ -->
<!-- Version: 6.21.0 -->
<!-- Round: 6 -->
<!-- Creation date: 2014-08-26T07:49:27Z -->
<!-- Copyright (c) 2005-2013 R.R. Donnelley &amp; Sons Company All Rights Reserved. -->
<schema xmlns="http://www.w3.org/2001/XMLSchema"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:us-gaap="http://fasb.org/us-gaap/2013-01-31"
  xmlns:us-types="http://fasb.org/us-types/2013-01-31"
  xmlns:lrcx="http://www.lamresearch.com/20140629"
  xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric"
  xmlns:num="http://www.xbrl.org/dtr/type/numeric"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  xmlns:country="http://xbrl.sec.gov/country/2013-01-31"
  xmlns:currency="http://xbrl.sec.gov/currency/2012-01-31"
  xmlns:dei="http://xbrl.sec.gov/dei/2013-01-31"
  xmlns:exch="http://xbrl.sec.gov/exch/2013-01-31"
  xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31"
  xmlns:stpr="http://xbrl.sec.gov/stpr/2011-01-31"
  targetNamespace="http://www.lamresearch.com/20140629"
  elementFormDefault="qualified" attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DocumentandEntityInformation" id="DocumentandEntityInformation">
        <link:definition>101 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfFinancialPositionClassified" id="Role_StatementOfFinancialPositionClassified">
        <link:definition>103 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical" id="Role_StatementOfFinancialPositionClassifiedParen">
        <link:definition>104 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfIncome" id="Role_StatementOfIncome">
        <link:definition>105 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfOtherComprehensiveIncome" id="Role_StatementOfOtherComprehensiveIncome">
        <link:definition>106 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfCashFlowsIndirect" id="Role_StatementOfCashFlowsIndirect">
        <link:definition>107 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome" id="Role_ci-StatementOfShareholdersEquityAndOtherComprehensiveIncome">
        <link:definition>108 - Statement - Consolidated Statements of Stockholders' Equity</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncomeParenthetical" id="Role_ci-StatementOfShareholdersEquityAndOtherComprehensiveIncomeParen">
        <link:definition>109 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsNatureOfOperations" id="Role_NotesToFinancialStatementsNatureOfOperations">
        <link:definition>110 - Disclosure - Company and Industry Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock" id="Role_NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock">
        <link:definition>111 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" id="Role_NotesToFinancialStatementsNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock">
        <link:definition>112 - Disclosure - Recent Accounting Pronouncements</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsFinancialInstrumentsDisclosureTextBlock" id="Role_NotesToFinancialStatementsFinancialInstrumentsDisclosureTextBlock">
        <link:definition>113 - Disclosure - Financial Instruments</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock" id="Role_NotesToFinancialStatementsInventoryDisclosureTextBlock">
        <link:definition>114 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock" id="Role_NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock">
        <link:definition>115 - Disclosure - Property and Equipment</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsAccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" id="Role_NotesToFinancialStatementsAccountsPayableAndAccruedLiabilitiesDisclosureTextBlock">
        <link:definition>116 - Disclosure - Accrued Expenses and Other Current Liabilities</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlock" id="Role_NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlock">
        <link:definition>117 - Disclosure - Other Income (Expense), Net</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock" id="Role_NotesToFinancialStatementsEarningsPerShareTextBlock">
        <link:definition>118 - Disclosure - Net Income Per Share</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsComprehensiveIncomeNoteTextBlock" id="Role_NotesToFinancialStatementsComprehensiveIncomeNoteTextBlock">
        <link:definition>119 - Disclosure - Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" id="Role_NotesToFinancialStatementsDisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock">
        <link:definition>120 - Disclosure - Equity-Based Compensation Plans</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsCompensationAndEmployeeBenefitPlansTextBlock" id="Role_NotesToFinancialStatementsCompensationAndEmployeeBenefitPlansTextBlock">
        <link:definition>121 - Disclosure - Retirement and Deferred Compensation Plans</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlock" id="Role_NotesToFinancialStatementsDebtDisclosureTextBlock">
        <link:definition>122 - Disclosure - Long Term Debt and Other Borrowings</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsCommitmentsContingenciesAndGuaranteesTextBlock" id="Role_NotesToFinancialStatementsCommitmentsContingenciesAndGuaranteesTextBlock">
        <link:definition>123 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock" id="Role_NotesToFinancialStatementsIncomeTaxDisclosureTextBlock">
        <link:definition>124 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlock" id="Role_NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlock">
        <link:definition>125 - Disclosure - Goodwill and Intangible Assets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock" id="Role_NotesToFinancialStatementsSegmentReportingDisclosureTextBlock">
        <link:definition>126 - Disclosure - Segment, Geographic Information and Major Customers</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsTreasuryStockTextBlock" id="Role_NotesToFinancialStatementsTreasuryStockTextBlock">
        <link:definition>127 - Disclosure - Stock Repurchase Program</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock" id="Role_NotesToFinancialStatementsSubsequentEventsTextBlock">
        <link:definition>128 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" id="Role_NotesToFinancialStatementsScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock">
        <link:definition>129 - Disclosure - Valuation and Qualifying Accounts</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies" id="Role_NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies">
        <link:definition>130 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsFinancialInstrumentsDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsFinancialInstrumentsDisclosureTextBlockTables">
        <link:definition>131 - Disclosure - Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsInventoryDisclosureTextBlockTables">
        <link:definition>132 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables">
        <link:definition>133 - Disclosure - Property and Equipment (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsAccountsPayableAndAccruedLiabilitiesDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsAccountsPayableAndAccruedLiabilitiesDisclosureTextBlockTables">
        <link:definition>134 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlockTables">
        <link:definition>135 - Disclosure - Other Income (Expense), Net (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables" id="Role_NotesToFinancialStatementsEarningsPerShareTextBlockTables">
        <link:definition>136 - Disclosure - Net Income Per Share (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsComprehensiveIncomeNoteTextBlockTables" id="Role_NotesToFinancialStatementsComprehensiveIncomeNoteTextBlockTables">
        <link:definition>137 - Disclosure - Comprehensive Income (Loss) (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlockTables" id="Role_NotesToFinancialStatementsDisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlockTables">
        <link:definition>138 - Disclosure - Equity-Based Compensation Plans (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsDebtDisclosureTextBlockTables">
        <link:definition>139 - Disclosure - Long Term Debt and Other Borrowings (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsCommitmentsContingenciesAndGuaranteesTextBlockTables" id="Role_NotesToFinancialStatementsCommitmentsContingenciesAndGuaranteesTextBlockTables">
        <link:definition>140 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables">
        <link:definition>141 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlockTables">
        <link:definition>142 - Disclosure - Goodwill and Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables" id="Role_NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables">
        <link:definition>143 - Disclosure - Segment, Geographic Information and Major Customers (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/NotesToFinancialStatementsTreasuryStockTextBlockTables" id="Role_NotesToFinancialStatementsTreasuryStockTextBlockTables">
        <link:definition>144 - Disclosure - Stock Repurchase Program (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation" id="DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation">
        <link:definition>145 - Disclosure - Summary of Significant Accounting Policies - Additional information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis" id="DisclosureScheduleOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis">
        <link:definition>146 - Disclosure - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueAsReportedInConsolidatedBalanceSheet" id="DisclosureScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueAsReportedInConsolidatedBalanceSheet">
        <link:definition>147 - Disclosure - Schedule of Assets and Liabilities Measured at Fair Value as Reported in Consolidated Balance Sheet (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureSummaryOfInvestments" id="DisclosureSummaryOfInvestments">
        <link:definition>148 - Disclosure - Summary of Investments (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformation" id="DisclosureFinancialInstrumentsAdditionalInformation">
        <link:definition>149 - Disclosure - Financial Instruments - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfFixedIncomeSecuritiesInUnrealizedLossPositions" id="DisclosureScheduleOfFixedIncomeSecuritiesInUnrealizedLossPositions">
        <link:definition>150 - Disclosure - Schedule of Fixed Income Securities in Unrealized Loss Positions (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfAmortizedCostAndFairValueOfCashEquivalentsShortTermInvestmentsAndRestrictedCashAndInvestmentsWithContractualMaturities" id="DisclosureScheduleOfAmortizedCostAndFairValueOfCashEquivalentsShortTermInvestmentsAndRestrictedCashAndInvestmentsWithContractualMaturities">
        <link:definition>151 - Disclosure - Schedule of Amortized Cost and Fair Value of Cash Equivalents, Short-Term Investments, and Restricted Cash and Investments with Contractual Maturities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfOutstandingForeignCurrencyForwardContracts" id="DisclosureScheduleOfOutstandingForeignCurrencyForwardContracts">
        <link:definition>152 - Disclosure - Schedule of Outstanding Foreign Currency Forward Contracts (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfFairValueOfDerivativesInstruments" id="DisclosureScheduleOfFairValueOfDerivativesInstruments">
        <link:definition>153 - Disclosure - Schedule of Fair Value of Derivatives Instruments (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfDerivativeInstrumentsDesignatedAsCashFlowHedgesInStatementsOfOperations" id="DisclosureScheduleOfDerivativeInstrumentsDesignatedAsCashFlowHedgesInStatementsOfOperations">
        <link:definition>154 - Disclosure - Schedule of Derivative Instruments Designated as Cash Flow Hedges in Statements of Operations (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfInventories" id="DisclosureScheduleOfInventories">
        <link:definition>155 - Disclosure - Schedule of Inventories (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfPropertyAndEquipmentNet" id="DisclosureScheduleOfPropertyAndEquipmentNet">
        <link:definition>156 - Disclosure - Schedule of Property and Equipment Net (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosurePropertyAndEquipmentAdditionalInformation" id="DisclosurePropertyAndEquipmentAdditionalInformation">
        <link:definition>157 - Disclosure - Property and Equipment - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfAccruedExpensesAndOtherCurrentLiabilities" id="DisclosureScheduleOfAccruedExpensesAndOtherCurrentLiabilities">
        <link:definition>158 - Disclosure - Schedule of Accrued Expenses and Other Current Liabilities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureComponentsOfOtherIncomeExpenseNet" id="DisclosureComponentsOfOtherIncomeExpenseNet">
        <link:definition>159 - Disclosure - Components of Other Income (Expense), Net (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfNumeratorsAndDenominatorsOfBasicAndDilutedComputationsForNetIncomePerShare" id="DisclosureScheduleOfNumeratorsAndDenominatorsOfBasicAndDilutedComputationsForNetIncomePerShare">
        <link:definition>160 - Disclosure - Schedule of Numerators and Denominators of Basic and Diluted Computations for Net Income Per Share (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfPotentiallyDilutiveSecuritiesExcludedFromEPSCalculations" id="DisclosureScheduleOfPotentiallyDilutiveSecuritiesExcludedFromEPSCalculations">
        <link:definition>161 - Disclosure - Schedule of Potentially Dilutive Securities Excluded from EPS Calculations (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureComponentsOfAccumulatedOtherComprehensiveLoss" id="DisclosureComponentsOfAccumulatedOtherComprehensiveLoss">
        <link:definition>162 - Disclosure - Components of Accumulated Other Comprehensive Loss (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureComponentsOfAccumulatedOtherComprehensiveLossParenthetical" id="DisclosureComponentsOfAccumulatedOtherComprehensiveLossParenthetical">
        <link:definition>163 - Disclosure - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureTaxRelatedToComponentsOfOtherComprehensiveIncome" id="DisclosureTaxRelatedToComponentsOfOtherComprehensiveIncome">
        <link:definition>164 - Disclosure - Tax Related to Components of Other Comprehensive Income (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureEquityBasedCompensationPlansAdditionalInformation" id="DisclosureEquityBasedCompensationPlansAdditionalInformation">
        <link:definition>165 - Disclosure - Equity Based Compensation Plans - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureSummaryOfStockPlanActivity" id="DisclosureSummaryOfStockPlanActivity">
        <link:definition>166 - Disclosure - Summary of Stock Plan Activity (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureOutstandingAndExercisableOptionsByPriceRange" id="DisclosureOutstandingAndExercisableOptionsByPriceRange">
        <link:definition>167 - Disclosure - Outstanding and Exercisable Options by Price Range (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureRecognizedEquityBasedCompensationExpensesAndRelatedIncomeTaxBenefit" id="DisclosureRecognizedEquityBasedCompensationExpensesAndRelatedIncomeTaxBenefit">
        <link:definition>168 - Disclosure - Recognized Equity Based Compensation Expenses and Related Income Tax Benefit (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfStockOptionsWeightedAverageAssumptions" id="DisclosureScheduleOfStockOptionsWeightedAverageAssumptions">
        <link:definition>169 - Disclosure - Schedule of Stock Options Weighted Average Assumptions (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureIntrinsicValueOfStockOptions" id="DisclosureIntrinsicValueOfStockOptions">
        <link:definition>170 - Disclosure - Intrinsic Value of Stock Options (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfESPPWeightedAverageAssumptions" id="DisclosureScheduleOfESPPWeightedAverageAssumptions">
        <link:definition>171 - Disclosure - Schedule of ESPP Weighted-Average Assumptions (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureRetirementAndDeferredCompensationPlansAdditionalInformation" id="DisclosureRetirementAndDeferredCompensationPlansAdditionalInformation">
        <link:definition>172 - Disclosure - Retirement and Deferred Compensation Plans - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfCarryingValueOfConvertibleSeniorNotesAndOtherLongTermDebt" id="DisclosureScheduleOfCarryingValueOfConvertibleSeniorNotesAndOtherLongTermDebt">
        <link:definition>173 - Disclosure - Schedule of Carrying Value of Convertible Senior Notes and Other Long-Term Debt (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfCarryingValueOfConvertibleSeniorNotesAndOtherLongTermDebtParenthetical" id="DisclosureScheduleOfCarryingValueOfConvertibleSeniorNotesAndOtherLongTermDebtParenthetical">
        <link:definition>174 - Disclosure - Schedule of Carrying Value of Convertible Senior Notes and Other Long-Term Debt (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureLongTermDebtAndOtherBorrowingsAdditionalInformation" id="DisclosureLongTermDebtAndOtherBorrowingsAdditionalInformation">
        <link:definition>175 - Disclosure - Long Term Debt and Other Borrowings - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfRecognizedInterestCostRelatingToBothContractualInterestCouponAndAmortizationOfDiscountOnLiabilityComponentOfNotes" id="DisclosureScheduleOfRecognizedInterestCostRelatingToBothContractualInterestCouponAndAmortizationOfDiscountOnLiabilityComponentOfNotes">
        <link:definition>176 - Disclosure - Schedule of Recognized Interest Cost Relating to Both Contractual Interest Coupon and Amortization of Discount on Liability Component of Notes (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfContractualCashObligationsRelatingToConvertibleNotesAndOtherLongTermDebt" id="DisclosureScheduleOfContractualCashObligationsRelatingToConvertibleNotesAndOtherLongTermDebt">
        <link:definition>177 - Disclosure - Schedule of Contractual Cash Obligations Relating to Convertible Notes and Other Long Term Debt (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation" id="DisclosureCommitmentsAndContingenciesAdditionalInformation">
        <link:definition>178 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfContractualCashObligationsRelatingToExistingCapitalLeases" id="DisclosureScheduleOfContractualCashObligationsRelatingToExistingCapitalLeases">
        <link:definition>179 - Disclosure - Schedule of Contractual Cash Obligations relating to Existing Capital Leases (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfContractualCashObligationsRelatingToOperatingLeases" id="DisclosureScheduleOfContractualCashObligationsRelatingToOperatingLeases">
        <link:definition>180 - Disclosure - Schedule of Contractual Cash Obligations Relating to Operating Leases (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosurePurchaseCommitments" id="DisclosurePurchaseCommitments">
        <link:definition>181 - Disclosure - Purchase Commitments (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfChangesInProductWarrantyReserves" id="DisclosureScheduleOfChangesInProductWarrantyReserves">
        <link:definition>182 - Disclosure - Schedule of Changes in Product Warranty Reserves (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureIncomeLossBeforeIncomeTaxes" id="DisclosureIncomeLossBeforeIncomeTaxes">
        <link:definition>183 - Disclosure - Income Loss Before Income Taxes (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureProvisionBenefitForIncomeTaxes" id="DisclosureProvisionBenefitForIncomeTaxes">
        <link:definition>184 - Disclosure - Provision Benefit for Income Taxes (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureComponentsOfNetDeferredTaxAssetsAndLiabilities" id="DisclosureComponentsOfNetDeferredTaxAssetsAndLiabilities">
        <link:definition>185 - Disclosure - Components of Net Deferred Tax Assets and Liabilities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation" id="DisclosureIncomeTaxesAdditionalInformation">
        <link:definition>186 - Disclosure - Income Taxes - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureReconciliationOfIncomeTaxExpenseProvidedAtFederalStatutoryRateToActualIncomeExpense" id="DisclosureReconciliationOfIncomeTaxExpenseProvidedAtFederalStatutoryRateToActualIncomeExpense">
        <link:definition>187 - Disclosure - Reconciliation of Income Tax Expense Provided at Federal Statutory Rate to Actual Income Expense (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureChangesInBalanceOfGrossUnrecognizedTaxBenefits" id="DisclosureChangesInBalanceOfGrossUnrecognizedTaxBenefits">
        <link:definition>188 - Disclosure - Changes in Balance of Gross Unrecognized Tax Benefits (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsAdditionalInformation" id="DisclosureGoodwillAndIntangibleAssetsAdditionalInformation">
        <link:definition>189 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfIntangibleAssets" id="DisclosureScheduleOfIntangibleAssets">
        <link:definition>190 - Disclosure - Schedule of Intangible Assets (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureEstimatedFutureAmortizationExpenseOfIntangibleAssets" id="DisclosureEstimatedFutureAmortizationExpenseOfIntangibleAssets">
        <link:definition>191 - Disclosure - Estimated Future Amortization Expense of Intangible Assets (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureIntangibleAssetsAcquired" id="DisclosureIntangibleAssetsAcquired">
        <link:definition>192 - Disclosure - Intangible Assets Acquired (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureSegmentGeographicInformationAndMajorCustomersAdditionalInformation" id="DisclosureSegmentGeographicInformationAndMajorCustomersAdditionalInformation">
        <link:definition>193 - Disclosure - Segment, Geographic Information and Major Customers - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureRevenuesAndLongLivedAssetsByGeographicRegion" id="DisclosureRevenuesAndLongLivedAssetsByGeographicRegion">
        <link:definition>194 - Disclosure - Revenues and Long Lived Assets by Geographic Region (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureStockRepurchaseProgramAdditionalInformation" id="DisclosureStockRepurchaseProgramAdditionalInformation">
        <link:definition>195 - Disclosure - Stock Repurchase Program - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfRepurchasesUnder2013RepurchaseProgram" id="DisclosureScheduleOfRepurchasesUnder2013RepurchaseProgram">
        <link:definition>196 - Disclosure - Schedule of Repurchases under 2013 Repurchase Program (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfRepurchasesUnder2013RepurchaseProgramParenthetical" id="DisclosureScheduleOfRepurchasesUnder2013RepurchaseProgramParenthetical">
        <link:definition>197 - Disclosure - Schedule of Repurchases under 2013 Repurchase Program (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation" id="DisclosureSubsequentEventsAdditionalInformation">
        <link:definition>198 - Disclosure - Subsequent Events - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureValuationAndQualifyingAccounts" id="DisclosureValuationAndQualifyingAccounts">
        <link:definition>199 - Disclosure - Valuation and Qualifying Accounts (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lamresearch.com/taxonomy/role/DisclosureValuationAndQualifyingAccountsParenthetical" id="DisclosureValuationAndQualifyingAccountsParenthetical">
        <link:definition>200 - Disclosure - Valuation and Qualifying Accounts (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:href="lrcx-20140629_cal.xml" xlink:title="Calculation Links, all"/>
      <link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:href="lrcx-20140629_def.xml" xlink:title="Definition Links, all"/>
      <link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:href="lrcx-20140629_lab.xml" xlink:title="Label Links, all"/>
      <link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:href="lrcx-20140629_pre.xml" xlink:title="Presentation Links, all"/>
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <import namespace="http://fasb.org/us-types/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-types-2013-01-31.xsd"/>
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <import namespace="http://fasb.org/us-gaap/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/currency/2012-01-31" schemaLocation="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/dei/2013-01-31" schemaLocation="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/exch/2013-01-31" schemaLocation="http://xbrl.sec.gov/exch/2013/exch-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"/>
  <element name="AdditionalPaidInCapitalTaxCarryforwardBenefit" id="lrcx_AdditionalPaidInCapitalTaxCarryforwardBenefit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtAcquired" id="lrcx_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtAcquired" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdjustmentsToAdditionalPaidInCapitalResultingFromConversionOfConvertibleDebtIntoEquity" id="lrcx_AdjustmentsToAdditionalPaidInCapitalResultingFromConversionOfConvertibleDebtIntoEquity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmendedAndRestatedFacilityMember" id="lrcx_AmendedAndRestatedFacilityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmendedLeaseAgreementsMember" id="lrcx_AmendedLeaseAgreementsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AssetsCorrelatedToDeferredCompensationObligation" id="lrcx_AssetsCorrelatedToDeferredCompensationObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AssetsLineItems" id="lrcx_AssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AssetTable" id="lrcx_AssetTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments" id="lrcx_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments" id="lrcx_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments" id="lrcx_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost" id="lrcx_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue" id="lrcx_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BacklogMember" id="lrcx_BacklogMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CaliforniaAndForeignMember" id="lrcx_CaliforniaAndForeignMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CashAndShortTermInvestmentsMember" id="lrcx_CashAndShortTermInvestmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ChangeInPercentageOfCommonStockPriceOverMarketPricePerformance" id="lrcx_ChangeInPercentageOfCommonStockPriceOverMarketPricePerformance" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ChangeInPercentageOfTargetShares" id="lrcx_ChangeInPercentageOfTargetShares" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommitmentsAndContingenciesLineItems" id="lrcx_CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommitmentsAndContingenciesTable" id="lrcx_CommitmentsAndContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ComponentOfOtherExpenseIncomeNonoperatingLineItems" id="lrcx_ComponentOfOtherExpenseIncomeNonoperatingLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ComponentOfOtherExpenseIncomeNonoperatingTable" id="lrcx_ComponentOfOtherExpenseIncomeNonoperatingTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ComputerSoftwareMember" id="lrcx_ComputerSoftwareMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContingencyInterestPayableRate" id="lrcx_ContingencyInterestPayableRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractOneMember" id="lrcx_ContractOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractTwoMember" id="lrcx_ContractTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractTypeAxis" id="lrcx_ContractTypeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
  <element name="ContractTypeDomain" id="lrcx_ContractTypeDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractualCashObligationsLongTermDebt" id="lrcx_ContractualCashObligationsLongTermDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractualInterestCoupon" id="lrcx_ContractualInterestCoupon" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractualObligationsMember" id="lrcx_ContractualObligationsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ConvertibleNoteHedgeMember" id="lrcx_ConvertibleNoteHedgeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CostOfConvertibleNoteHedge" id="lrcx_CostOfConvertibleNoteHedge" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerFourMember" id="lrcx_CustomerFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerOneMember" id="lrcx_CustomerOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerThreeMember" id="lrcx_CustomerThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerTwoMember" id="lrcx_CustomerTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentConvertibleInitialCarryingAmountOfLiabilityComponent" id="lrcx_DebtInstrumentConvertibleInitialCarryingAmountOfLiabilityComponent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtInstrumentsMaturityDate1" id="lrcx_DebtInstrumentsMaturityDate1" type="us-types:dateStringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DebtToCapitalizationRatio" id="lrcx_DebtToCapitalizationRatio" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredCompensationArrangementMaximumDistributionPeriod" id="lrcx_DeferredCompensationArrangementMaximumDistributionPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredCompensationPaymentWaitingPeriod" id="lrcx_DeferredCompensationPaymentWaitingPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredIncomeTaxExpenseBenefitShareBasedCompensation" id="lrcx_DeferredIncomeTaxExpenseBenefitShareBasedCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredTaxAssetsAndLiabilitiesLineItems" id="lrcx_DeferredTaxAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredTaxAssetsAndLiabilitiesTable" id="lrcx_DeferredTaxAssetsAndLiabilitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="DeferredTaxesAndOtherLiabilitiesMember" id="lrcx_DeferredTaxesAndOtherLiabilitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredTaxLiabilityRelatedToConvertibleNoteHedge" id="lrcx_DeferredTaxLiabilityRelatedToConvertibleNoteHedge" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedContributionPlanEmployerMatchingPercentage" id="lrcx_DefinedContributionPlanEmployerMatchingPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedContributionPlanMinimumAnnualContributionsPerEmployeePercent" id="lrcx_DefinedContributionPlanMinimumAnnualContributionsPerEmployeePercent" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DiscountRateUsedToCalculatePresentValueOfCashFlows" id="lrcx_DiscountRateUsedToCalculatePresentValueOfCashFlows" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DiscountRateUsedToDetermineLiabilityFairValue" id="lrcx_DiscountRateUsedToDetermineLiabilityFairValue" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentAndEntityInformationAbstract" id="lrcx_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeeBenefitPlanLineItems" id="lrcx_EmployeeBenefitPlanLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EmployeeBenefitPlanTable" id="lrcx_EmployeeBenefitPlanTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="EmployeeStockPurchasePlanMember" id="lrcx_EmployeeStockPurchasePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExistingStockPlansMember" id="lrcx_ExistingStockPlansMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExistingTechnologyMember" id="lrcx_ExistingTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FederalAndStateTaxCreditsMember" id="lrcx_FederalAndStateTaxCreditsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FederalFundsRateMember" id="lrcx_FederalFundsRateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FederalMember" id="lrcx_FederalMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FederalTaxMember" id="lrcx_FederalTaxMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancialInstrumentsLineItems" id="lrcx_FinancialInstrumentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancialInstrumentsMember" id="lrcx_FinancialInstrumentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancialInstrumentsTable" id="lrcx_FinancialInstrumentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="FixedIncomeMoneyMarketFundsMember" id="lrcx_FixedIncomeMoneyMarketFundsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue" id="lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FremontAndLivermoreLeaseMember" id="lrcx_FremontAndLivermoreLeaseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GainOrLossOnAssetsRelatedToDeferredCompensationPlan" id="lrcx_GainOrLossOnAssetsRelatedToDeferredCompensationPlan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GoodwillAndIntangibleAssetsLineItems" id="lrcx_GoodwillAndIntangibleAssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GoodwillAndIntangibleAssetsTable" id="lrcx_GoodwillAndIntangibleAssetsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="IncomeTaxLineItems" id="lrcx_IncomeTaxLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeTaxReconciliationAcquisitionRelatedTransactionCosts" id="lrcx_IncomeTaxReconciliationAcquisitionRelatedTransactionCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeTaxTable" id="lrcx_IncomeTaxTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="InitialAllocationMember" id="lrcx_InitialAllocationMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InProcessResearchAndDevelopmentsMember" id="lrcx_InProcessResearchAndDevelopmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentLiquidationPeriod" id="lrcx_InvestmentLiquidationPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsAmortizedCost" id="lrcx_InvestmentsAmortizedCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsUnrealizedGain" id="lrcx_InvestmentsUnrealizedGain" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsUnrealizedLoss" id="lrcx_InvestmentsUnrealizedLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LineOfCreditFacilityAdditionalBorrowingCapacity" id="lrcx_LineOfCreditFacilityAdditionalBorrowingCapacity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiquidityAmountMinimum" id="lrcx_LiquidityAmountMinimum" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MajorityOfContractsMember" id="lrcx_MajorityOfContractsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaximumPercentageOfAggregateInvestmentValueGuaranteed" id="lrcx_MaximumPercentageOfAggregateInvestmentValueGuaranteed" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MutualFundsMember" id="lrcx_MutualFundsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts" id="lrcx_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetOperatingLossCarryforwardsBeginsToExpire" id="lrcx_NetOperatingLossCarryforwardsBeginsToExpire" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetOperatingLossCarryforwardsWithIndefiniteCarryforwardPeriodMember" id="lrcx_NetOperatingLossCarryforwardsWithIndefiniteCarryforwardPeriodMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoteIncrementForWhichConversionAmountOfCommonStockIsBased" id="lrcx_NoteIncrementForWhichConversionAmountOfCommonStockIsBased" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfNotesConverted" id="lrcx_NumberOfNotesConverted" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfOperatingLeases" id="lrcx_NumberOfOperatingLeases" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfOperatingLocations" id="lrcx_NumberOfOperatingLocations" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesAvailableForPurchaseUnderEmployeesStockPurchasePlan" id="lrcx_NumberOfSharesAvailableForPurchaseUnderEmployeesStockPurchasePlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfTerminatedLeases" id="lrcx_NumberOfTerminatedLeases" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfTradingDaysForValuationOfShares" id="lrcx_NumberOfTradingDaysForValuationOfShares" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OnePointTwoFivePercentConvertibleSeniorNotesDueTwoThousandEighteenMember" id="lrcx_OnePointTwoFivePercentConvertibleSeniorNotesDueTwoThousandEighteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLeaseCashCollateralMember" id="lrcx_OperatingLeaseCashCollateralMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLeaseMarketableSecuritiesCollateralMember" id="lrcx_OperatingLeaseMarketableSecuritiesCollateralMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLeasePurchaseOptionNotificationPeriod" id="lrcx_OperatingLeasePurchaseOptionNotificationPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLeaseResidualValueGuarantee" id="lrcx_OperatingLeaseResidualValueGuarantee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLeaseTermPeriod" id="lrcx_OperatingLeaseTermPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryforwardsExpiringTwoThousandFifteenMember" id="lrcx_OperatingLossCarryforwardsExpiringTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionsAndRestrictedStockUnitsIssuedAndOutstandingUnderStockPlan" id="lrcx_OptionsAndRestrictedStockUnitsIssuedAndOutstandingUnderStockPlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherIncomeExpenseMember" id="lrcx_OtherIncomeExpenseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherNonOperatingIncomeExpenseOtherNet" id="lrcx_OtherNonOperatingIncomeExpenseOtherNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfPrincipalAmountsBeingRepurchased" id="lrcx_PercentageOfPrincipalAmountsBeingRepurchased" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PerformanceBasedRestrictedStockUnitsRsuMember" id="lrcx_PerformanceBasedRestrictedStockUnitsRsuMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidExpensesFairValueDisclosure" id="lrcx_PrepaidExpensesFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrincipalAmountLessThanProductOfLastReportedSalePriceOfCommonStock" id="lrcx_PrincipalAmountLessThanProductOfLastReportedSalePriceOfCommonStock" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrivateSecurityMember" id="lrcx_PrivateSecurityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProductWarrantyLiabilityLineItems" id="lrcx_ProductWarrantyLiabilityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProductWarrantyLiabilityTable" id="lrcx_ProductWarrantyLiabilityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="RangeFiveMember" id="lrcx_RangeFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RangeFourMember" id="lrcx_RangeFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RangeOneMember" id="lrcx_RangeOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RangeThreeMember" id="lrcx_RangeThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RangeTwoMember" id="lrcx_RangeTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReclassifiedToCostOfGoodsSoldMember" id="lrcx_ReclassifiedToCostOfGoodsSoldMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReclassifiedToRevenueMember" id="lrcx_ReclassifiedToRevenueMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReclassifiedToSellingGeneralAndAdministrativeMember" id="lrcx_ReclassifiedToSellingGeneralAndAdministrativeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReconciliationOfIncomeTaxesLineItems" id="lrcx_ReconciliationOfIncomeTaxesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReconciliationOfIncomeTaxesTable" id="lrcx_ReconciliationOfIncomeTaxesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="RepurchaseOfEquityUnitsMember" id="lrcx_RepurchaseOfEquityUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedCashAndInvestmentsMember" id="lrcx_RestrictedCashAndInvestmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedCashFairValueDisclosure" id="lrcx_RestrictedCashFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedStockUnitsAssumed" id="lrcx_RestrictedStockUnitsAssumed" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedStockUnitsAssumedWeightedAverageFairValueAtGrant" id="lrcx_RestrictedStockUnitsAssumedWeightedAverageFairValueAtGrant" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevenueMember" id="lrcx_RevenueMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScenarioOneMember" id="lrcx_ScenarioOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfAccruedLiabilitiesLineItems" id="lrcx_ScheduleOfAccruedLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfAccruedLiabilitiesTable" id="lrcx_ScheduleOfAccruedLiabilitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" id="lrcx_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" id="lrcx_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfIncomeBeforeIncomeTaxLineItems" id="lrcx_ScheduleOfIncomeBeforeIncomeTaxLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfIncomeBeforeIncomeTaxTable" id="lrcx_ScheduleOfIncomeBeforeIncomeTaxTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfInterestCostRecognizedRelatingToBothContractualInterestCouponAndAmortizationOfDiscountTableTextBlock" id="lrcx_ScheduleOfInterestCostRecognizedRelatingToBothContractualInterestCouponAndAmortizationOfDiscountTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfShareRepurchaseProgramsAxis" id="lrcx_ScheduleOfShareRepurchaseProgramsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
  <element name="ScheduleOfShareRepurchaseProgramsDomain" id="lrcx_ScheduleOfShareRepurchaseProgramsDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfTaxEffectsAllocatedToEachComponentsOfOtherComprehensiveIncomeLossTableTextBlock" id="lrcx_ScheduleOfTaxEffectsAllocatedToEachComponentsOfOtherComprehensiveIncomeLossTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfUnrecognizedTaxBenefitsLineItems" id="lrcx_ScheduleOfUnrecognizedTaxBenefitsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfUnrecognizedTaxBenefitsTable" id="lrcx_ScheduleOfUnrecognizedTaxBenefitsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestingPeriodMaximum" id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestingPeriodMaximum" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForAdditionalGrant" id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForAdditionalGrant" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfMarketPrice" id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfMarketPrice" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramMember" id="lrcx_ShareRepurchaseProgramMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramsMember" id="lrcx_ShareRepurchaseProgramsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesReceivableUnderConvertibleNoteHedge" id="lrcx_SharesReceivableUnderConvertibleNoteHedge" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShortTermInvestmentsFairValueDisclosure" id="lrcx_ShortTermInvestmentsFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SouthEastAsiaMember" id="lrcx_SouthEastAsiaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StateMember" id="lrcx_StateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockOptionsAssumed" id="lrcx_StockOptionsAssumed" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockOptionsAssumedWeightedAverageExercisePrice" id="lrcx_StockOptionsAssumedWeightedAverageExercisePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockPricePercentageOfConversionPrice" id="lrcx_StockPricePercentageOfConversionPrice" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockRepurchaseProgramLineItems" id="lrcx_StockRepurchaseProgramLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockRepurchaseProgramTable" id="lrcx_StockRepurchaseProgramTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="StockRepurchasesAxis" id="lrcx_StockRepurchasesAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
  <element name="StockRepurchasesDomain" id="lrcx_StockRepurchasesDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubsequentMember" id="lrcx_SubsequentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCreditCarryforwardsMember" id="lrcx_TaxCreditCarryforwardsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCreditCarryforwardsWithIndefiniteCarryforwardPeriodMember" id="lrcx_TaxCreditCarryforwardsWithIndefiniteCarryforwardPeriodMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCreditsCarryforwardsOtherMember" id="lrcx_TaxCreditsCarryforwardsOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoPointSixTwoFivePercentConvertibleSeniorNotesDueTwoThousandFortyOneMember" id="lrcx_TwoPointSixTwoFivePercentConvertibleSeniorNotesDueTwoThousandFortyOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember" id="lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ValuationAllowancesAndReservesDeductionsRecoveries" id="lrcx_ValuationAllowancesAndReservesDeductionsRecoveries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ZeroPointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandSixteenMember" id="lrcx_ZeroPointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
