<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.lamresearch.com/20170924" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:lrcx="http://www.lamresearch.com/20170924" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/us-gaap/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-roles-2016-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-types-2016-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2016-01-31" schemaLocation="http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2016-01-31" schemaLocation="http://xbrl.sec.gov/currency/2016/currency-2016-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2016-01-31" schemaLocation="http://xbrl.sec.gov/exch/2016/exch-2016-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrcx-20170924_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrcx-20170924_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrcx-20170924_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrcx-20170924_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="AccruedExpensesAndOtherCurrentLiabilities" roleURI="http://www.lamresearch.com/role/AccruedExpensesAndOtherCurrentLiabilities">
        <link:definition>2125100 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedExpensesAndOtherCurrentLiabilitiesDetails" roleURI="http://www.lamresearch.com/role/AccruedExpensesAndOtherCurrentLiabilitiesDetails">
        <link:definition>2425402 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedExpensesAndOtherCurrentLiabilitiesTables" roleURI="http://www.lamresearch.com/role/AccruedExpensesAndOtherCurrentLiabilitiesTables">
        <link:definition>2325301 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveLoss" roleURI="http://www.lamresearch.com/role/AccumulatedOtherComprehensiveLoss">
        <link:definition>2140100 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossDetails" roleURI="http://www.lamresearch.com/role/AccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossDetails">
        <link:definition>2440402 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of Accumulated Other Comprehensive Loss (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossFootNotesDetails" roleURI="http://www.lamresearch.com/role/AccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossFootNotesDetails">
        <link:definition>2440403 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of Accumulated Other Comprehensive Loss (Foot Notes) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveLossTables" roleURI="http://www.lamresearch.com/role/AccumulatedOtherComprehensiveLossTables">
        <link:definition>2340301 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisOfPresentation" roleURI="http://www.lamresearch.com/role/BasisOfPresentation">
        <link:definition>2101100 - Disclosure - BASIS OF PRESENTATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisOfPresentationPolicies" roleURI="http://www.lamresearch.com/role/BasisOfPresentationPolicies">
        <link:definition>2201201 - Disclosure - BASIS OF PRESENTATION (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinations" roleURI="http://www.lamresearch.com/role/BusinessCombinations">
        <link:definition>2141100 - Disclosure - BUSINESS COMBINATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/BusinessCombinationsAdditionalInformationDetails">
        <link:definition>2441402 - Disclosure - BUSINESS COMBINATIONS - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsScheduleOfIdentifiedIntangibleAssetsAssumedInAcquisitionDetails" roleURI="http://www.lamresearch.com/role/BusinessCombinationsScheduleOfIdentifiedIntangibleAssetsAssumedInAcquisitionDetails">
        <link:definition>2441404 - Disclosure - BUSINESS COMBINATIONS - Schedule of Identified Intangible Assets Assumed in the Acquisition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsScheduleOfPreliminaryPurchasePriceAllocationDetails" roleURI="http://www.lamresearch.com/role/BusinessCombinationsScheduleOfPreliminaryPurchasePriceAllocationDetails">
        <link:definition>2441403 - Disclosure - BUSINESS COMBINATIONS - Schedule of Preliminary Purchase Price Allocation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsTables" roleURI="http://www.lamresearch.com/role/BusinessCombinationsTables">
        <link:definition>2341301 - Disclosure - BUSINESS COMBINATIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingencies" roleURI="http://www.lamresearch.com/role/CommitmentsAndContingencies">
        <link:definition>2135100 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/CommitmentsAndContingenciesAdditionalInformationDetails">
        <link:definition>2435402 - Disclosure - COMMITMENTS AND CONTINGENCIES - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesScheduleOfChangesInProductWarrantyReservesDetails" roleURI="http://www.lamresearch.com/role/CommitmentsAndContingenciesScheduleOfChangesInProductWarrantyReservesDetails">
        <link:definition>2435403 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Changes in Product Warranty Reserves (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesTables" roleURI="http://www.lamresearch.com/role/CommitmentsAndContingenciesTables">
        <link:definition>2335301 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheets" roleURI="http://www.lamresearch.com/role/CondensedConsolidatedBalanceSheets">
        <link:definition>1003000 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://www.lamresearch.com/role/CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>1003501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfCashFlows" roleURI="http://www.lamresearch.com/role/CondensedConsolidatedStatementsOfCashFlows">
        <link:definition>1004000 - Statement - Condensed Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfComprehensiveIncome" roleURI="http://www.lamresearch.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome">
        <link:definition>1002000 - Statement - Condensed Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfOperations" roleURI="http://www.lamresearch.com/role/CondensedConsolidatedStatementsOfOperations">
        <link:definition>1001000 - Statement - Condensed Consolidated Statements Of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformation" roleURI="http://www.lamresearch.com/role/DocumentAndEntityInformation">
        <link:definition>0001000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityBasedCompensationPlans" roleURI="http://www.lamresearch.com/role/EquityBasedCompensationPlans">
        <link:definition>2103100 - Disclosure - EQUITY-BASED COMPENSATION PLANS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityBasedCompensationPlansAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/EquityBasedCompensationPlansAdditionalInformationDetails">
        <link:definition>2403402 - Disclosure - EQUITY-BASED COMPENSATION PLANS - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityBasedCompensationPlansRecognizedEquityBasedCompensationExpensesAndRelatedIncomeTaxBenefitDetails" roleURI="http://www.lamresearch.com/role/EquityBasedCompensationPlansRecognizedEquityBasedCompensationExpensesAndRelatedIncomeTaxBenefitDetails">
        <link:definition>2403403 - Disclosure - EQUITY-BASED COMPENSATION PLANS - Recognized Equity Based Compensation Expenses and Related Income Tax Benefit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityBasedCompensationPlansTables" roleURI="http://www.lamresearch.com/role/EquityBasedCompensationPlansTables">
        <link:definition>2303301 - Disclosure - EQUITY-BASED COMPENSATION PLANS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstruments" roleURI="http://www.lamresearch.com/role/FinancialInstruments">
        <link:definition>2115100 - Disclosure - FINANCIAL INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsAdditionalInformationDetails">
        <link:definition>2415403 - Disclosure - FINANCIAL INSTRUMENTS - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsCashCashEquivalentsInvestmentsRestrictedCashAndInvestmentsAndOtherAssetsMeasuredAtFairValueOnRecurringBasisDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsCashCashEquivalentsInvestmentsRestrictedCashAndInvestmentsAndOtherAssetsMeasuredAtFairValueOnRecurringBasisDetails">
        <link:definition>2415402 - Disclosure - FINANCIAL INSTRUMENTS - Cash, Cash Equivalents, Investments, Restricted Cash and Investments and Other Assets Measured at Fair Value on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsCashCashEquivalentsInvestmentsRestrictedCashAndInvestmentsAndOtherAssetsMeasuredAtFairValueOnRecurringBasisDetailsCalc2" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsCashCashEquivalentsInvestmentsRestrictedCashAndInvestmentsAndOtherAssetsMeasuredAtFairValueOnRecurringBasisDetailsCalc2">
        <link:definition>2415402 - Disclosure - FINANCIAL INSTRUMENTS - Cash, Cash Equivalents, Investments, Restricted Cash and Investments and Other Assets Measured at Fair Value on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsScheduleOfAmortizedCostAndFairValueOfCashEquivalentsInvestmentsAndRestrictedCashAndInvestmentsWithContractualMaturitiesDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsScheduleOfAmortizedCostAndFairValueOfCashEquivalentsInvestmentsAndRestrictedCashAndInvestmentsWithContractualMaturitiesDetails">
        <link:definition>2415405 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Amortized Cost and Fair Value of Cash Equivalents, Investments, and Restricted Cash and Investments with Contractual Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsScheduleOfCashCashEquivalentsInvestmentsAndRestrictedCashAndInvestmentsUnrealizedLossPositionsDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsScheduleOfCashCashEquivalentsInvestmentsAndRestrictedCashAndInvestmentsUnrealizedLossPositionsDetails">
        <link:definition>2415404 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Cash, Cash Equivalents, Investments and Restricted Cash and Investments Unrealized Loss Positions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsScheduleOfDerivativeInstrumentsDesignatedAsCashFlowHedgesInStatementsOfOperationsIncludingAccumulatedOtherComprehensiveIncomeDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsScheduleOfDerivativeInstrumentsDesignatedAsCashFlowHedgesInStatementsOfOperationsIncludingAccumulatedOtherComprehensiveIncomeDetails">
        <link:definition>2415408 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Derivative Instruments Designated as Cash Flow Hedges in Statements of Operations Including Accumulated Other Comprehensive Income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsScheduleOfFairValueOfDerivativeInstrumentsDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsScheduleOfFairValueOfDerivativeInstrumentsDetails">
        <link:definition>2415407 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Fair Value of Derivative Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsScheduleOfOutstandingForeignCurrencyForwardContractsDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsScheduleOfOutstandingForeignCurrencyForwardContractsDetails">
        <link:definition>2415406 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Outstanding Foreign Currency Forward Contracts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsTables" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsTables">
        <link:definition>2315301 - Disclosure - FINANCIAL INSTRUMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssets" roleURI="http://www.lamresearch.com/role/GoodwillAndIntangibleAssets">
        <link:definition>2124100 - Disclosure - GOODWILL AND INTANGIBLE ASSETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/GoodwillAndIntangibleAssetsAdditionalInformationDetails">
        <link:definition>2424402 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseOfIntangibleAssetsDetails" roleURI="http://www.lamresearch.com/role/GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseOfIntangibleAssetsDetails">
        <link:definition>2424404 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Estimated Future Amortization Expense of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsDetails" roleURI="http://www.lamresearch.com/role/GoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsDetails">
        <link:definition>2424403 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsTables" roleURI="http://www.lamresearch.com/role/GoodwillAndIntangibleAssetsTables">
        <link:definition>2324301 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpense" roleURI="http://www.lamresearch.com/role/IncomeTaxExpense">
        <link:definition>2105100 - Disclosure - INCOME TAX EXPENSE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpenseDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxExpenseDetails">
        <link:definition>2405401 - Disclosure - INCOME TAX EXPENSE (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://www.lamresearch.com/role/Inventories">
        <link:definition>2117100 - Disclosure - INVENTORIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesDetails" roleURI="http://www.lamresearch.com/role/InventoriesDetails">
        <link:definition>2417402 - Disclosure - INVENTORIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://www.lamresearch.com/role/InventoriesTables">
        <link:definition>2317301 - Disclosure - INVENTORIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowings" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowings">
        <link:definition>2130100 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsComponentsOfConvertibleSeniorNotesDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsComponentsOfConvertibleSeniorNotesDetails">
        <link:definition>2430405 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Components of Convertible Senior Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsConvertibleSeniorNotesDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsConvertibleSeniorNotesDetails">
        <link:definition>2430404 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Convertible Senior Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsRevolvingCreditFacilityDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsRevolvingCreditFacilityDetails">
        <link:definition>2430410 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Revolving Credit Facility (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsScheduleOfAdditionalSeniorNotesInformationDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsScheduleOfAdditionalSeniorNotesInformationDetails">
        <link:definition>2430408 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Schedule of Additional Senior Notes Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsScheduleOfOutstandingDebtDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsScheduleOfOutstandingDebtDetails">
        <link:definition>2430402 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Schedule of Outstanding Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsScheduleOfOutstandingDebtDetailsCalc2" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsScheduleOfOutstandingDebtDetailsCalc2">
        <link:definition>2430402 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Schedule of Outstanding Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsScheduleOfOutstandingDebtFootnotesDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsScheduleOfOutstandingDebtFootnotesDetails">
        <link:definition>2430403 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Schedule of Outstanding Debt Footnotes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsScheduleOfRecognizedInterestCostRelatingToBothContractualInterestCouponAndAmortizationOfDiscountOnLiabilityComponentOfNotesDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsScheduleOfRecognizedInterestCostRelatingToBothContractualInterestCouponAndAmortizationOfDiscountOnLiabilityComponentOfNotesDetails">
        <link:definition>2430409 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Schedule of Recognized Interest Cost Relating to Both Contractual Interest Coupon and Amortization of Discount on Liability Component of Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsSeniorNotesDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsSeniorNotesDetails">
        <link:definition>2430407 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Senior Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsTables" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsTables">
        <link:definition>2330301 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtAndOtherBorrowingsWarrantsAndConvertibleNoteHedgeArrangementsDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtAndOtherBorrowingsWarrantsAndConvertibleNoteHedgeArrangementsDetails">
        <link:definition>2430406 - Disclosure - LONG-TERM DEBT AND OTHER BORROWINGS - Warrants and Convertible Note Hedge Arrangements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomePerShare" roleURI="http://www.lamresearch.com/role/NetIncomePerShare">
        <link:definition>2106100 - Disclosure - NET INCOME PER SHARE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomePerShareScheduleOfNumeratorsAndDenominatorsOfBasicAndDilutedComputationsForNetIncomePerShareDetails" roleURI="http://www.lamresearch.com/role/NetIncomePerShareScheduleOfNumeratorsAndDenominatorsOfBasicAndDilutedComputationsForNetIncomePerShareDetails">
        <link:definition>2406402 - Disclosure - NET INCOME PER SHARE - Schedule of Numerators and Denominators of Basic and Diluted Computations for Net Income Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomePerShareScheduleOfPotentiallyDilutiveSecuritiesExcludedFromEpsCalculationsDetails" roleURI="http://www.lamresearch.com/role/NetIncomePerShareScheduleOfPotentiallyDilutiveSecuritiesExcludedFromEpsCalculationsDetails">
        <link:definition>2406403 - Disclosure - NET INCOME PER SHARE - Schedule of Potentially Dilutive Securities Excluded from EPS Calculations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomePerShareTables" roleURI="http://www.lamresearch.com/role/NetIncomePerShareTables">
        <link:definition>2306301 - Disclosure - NET INCOME PER SHARE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherExpenseNet" roleURI="http://www.lamresearch.com/role/OtherExpenseNet">
        <link:definition>2104100 - Disclosure - OTHER EXPENSE, NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherExpenseNetDetails" roleURI="http://www.lamresearch.com/role/OtherExpenseNetDetails">
        <link:definition>2404402 - Disclosure - OTHER EXPENSE, NET (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherExpenseNetTables" roleURI="http://www.lamresearch.com/role/OtherExpenseNetTables">
        <link:definition>2304301 - Disclosure - OTHER EXPENSE, NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RecentAccountingPronouncements" roleURI="http://www.lamresearch.com/role/RecentAccountingPronouncements">
        <link:definition>2102100 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RecentAccountingPronouncementsDetails" roleURI="http://www.lamresearch.com/role/RecentAccountingPronouncementsDetails">
        <link:definition>2402401 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockRepurchaseProgram" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgram">
        <link:definition>2137100 - Disclosure - STOCK REPURCHASE PROGRAM</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockRepurchaseProgramAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgramAdditionalInformationDetails">
        <link:definition>2437402 - Disclosure - STOCK REPURCHASE PROGRAM - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockRepurchaseProgramRepurchasesUnderRepurchaseProgramDetails" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgramRepurchasesUnderRepurchaseProgramDetails">
        <link:definition>2437403 - Disclosure - STOCK REPURCHASE PROGRAM - Repurchases Under the Repurchase Program (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockRepurchaseProgramTables" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgramTables">
        <link:definition>2337301 - Disclosure - STOCK REPURCHASE PROGRAM (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element abstract="true" id="lrcx_A2020NotesMember" name="A2020NotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_A2021NotesMember" name="A2021NotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_A2025NotesMember" name="A2025NotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_AcceleratedShareRepurchasesNumberOfAgreements" name="AcceleratedShareRepurchasesNumberOfAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_AcceleratedShareRepurchasesNumberOfFinancialInstitutions" name="AcceleratedShareRepurchasesNumberOfFinancialInstitutions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_AcceleratedShareRepurchasesRatioOfPrepaymentAmountToClosingStockPrice" name="AcceleratedShareRepurchasesRatioOfPrepaymentAmountToClosingStockPrice" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_AccountingStandardsUpdate201609Member" name="AccountingStandardsUpdate201609Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_AmortizationOfFairValueOfInterestRateCashFlowHedgeDuringPeriod" name="AmortizationOfFairValueOfInterestRateCashFlowHedgeDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost" name="AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue" name="AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_ContingencyInterestPayableRate" name="ContingencyInterestPayableRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_ContractualInterestCoupon" name="ContractualInterestCoupon" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_ConvertibleNoteHedgeMember" name="ConvertibleNoteHedgeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_DebtInstrumentFairValueAdjustment" name="DebtInstrumentFairValueAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_DeferredProfitCurrent" name="DeferredProfitCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_DerivativeInstrumentNoteHedgePartialSettlementSharesReceived" name="DerivativeInstrumentNoteHedgePartialSettlementSharesReceived" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_EstimatedCashFlowHedgesGainLossToBeReclassifiedToEarnings" name="EstimatedCashFlowHedgesGainLossToBeReclassifiedToEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_EstimatedNumberofDilutedSharesOutstanding" name="EstimatedNumberofDilutedSharesOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_ExistingTechnologyMember" name="ExistingTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_FederalFundsRateMember" name="FederalFundsRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_ForeignExchangeAndInterestRateContractMember" name="ForeignExchangeAndInterestRateContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_FremontAndLivermoreLeaseMember" name="FremontAndLivermoreLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_GainLossonAssetsRelatedtoDeferredCompensationPlan" name="GainLossonAssetsRelatedtoDeferredCompensationPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_InvestmentsAmortizedCost" name="InvestmentsAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_InvestmentsUnrealizedGain" name="InvestmentsUnrealizedGain" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_InvestmentsUnrealizedLoss" name="InvestmentsUnrealizedLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_LineOfCreditFacilityAdditionalBorrowingCapacity" name="LineOfCreditFacilityAdditionalBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_MaximumPercentageOfAggregateInvestmentValueGuaranteed" name="MaximumPercentageOfAggregateInvestmentValueGuaranteed" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_MutualFundsMember" name="MutualFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_NoteIncrementForWhichConversionAmountOfCommonStockIsBased" name="NoteIncrementForWhichConversionAmountOfCommonStockIsBased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lrcx_OneMonthLiborMember" name="OneMonthLiborMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_OnePointTwoFivePercentConvertibleSeniorNotesDueTwoThousandEighteenMember" name="OnePointTwoFivePercentConvertibleSeniorNotesDueTwoThousandEighteenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_OperatingLeaseCashCollateralMember" name="OperatingLeaseCashCollateralMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_OperatingLeaseResidualValueGuarantee" name="OperatingLeaseResidualValueGuarantee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_OtherNonOperatingIncomeExpenseOtherNet" name="OtherNonOperatingIncomeExpenseOtherNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_PermanentEquityMember" name="PermanentEquityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_RestrictedCashFairValueDisclosure" name="RestrictedCashFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_ScheduleOfEquityNoteWarrantsAndEquityNoteHedgeTableTextBlock" name="ScheduleOfEquityNoteWarrantsAndEquityNoteHedgeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_ScheduleOfInterestCostRecognizedRelatingToBothContractualInterestCouponAndAmortizationOfDiscountTableTableTextBlock" name="ScheduleOfInterestCostRecognizedRelatingToBothContractualInterestCouponAndAmortizationOfDiscountTableTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestingPeriodMaximum" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestingPeriodMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_ShortTermInvestmentsFairValueDisclosure" name="ShortTermInvestmentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lrcx_TaxExaminationsOrLapsesOfStatuteOfLimitationMember" name="TaxExaminationsOrLapsesOfStatuteOfLimitationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_TemporaryEquityMember" name="TemporaryEquityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_ThreePointEightZeroPercentSeniorNotesDueTwoThousandTwentyFiveMember" name="ThreePointEightZeroPercentSeniorNotesDueTwoThousandTwentyFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_TransferOfInventoryToPropertyAndEquipmentNet" name="TransferOfInventoryToPropertyAndEquipmentNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_TwoPointEightPercentSeniorNotesDueTwentyTwentyOneMember" name="TwoPointEightPercentSeniorNotesDueTwentyTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_TwoPointSevenFivePercentSeniorNotesDueTwoThousandTwentyMember" name="TwoPointSevenFivePercentSeniorNotesDueTwoThousandTwentyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lrcx_TwoPointSixTwoFivePercentConvertibleSeniorNotesDueTwoThousandFortyOneMember" name="TwoPointSixTwoFivePercentConvertibleSeniorNotesDueTwoThousandFortyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
