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  <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_LineofCreditFacilityAdditionalBorrowingCapacityExpansion" name="LineofCreditFacilityAdditionalBorrowingCapacityExpansion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lrcx_LineofCreditFacilityCurrentBorrowingCapacityExpansion" name="LineofCreditFacilityCurrentBorrowingCapacityExpansion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lrcx_MarketBasedPerformanceRestrictedStockUnitsRsuMember" name="MarketBasedPerformanceRestrictedStockUnitsRsuMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <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_November2017AcceleratedShareRepurchaseAgreementMember" name="November2017AcceleratedShareRepurchaseAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_NumberOfTradingDaysForValuationOfShares" name="NumberOfTradingDaysForValuationOfShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <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 abstract="true" id="lrcx_OptionsAndRestrictedStockUnitsMember" name="OptionsAndRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfMarketPrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfMarketPrice" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofPurchasePeriods" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofPurchasePeriods" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="lrcx_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" 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 id="lrcx_StockRepurchaseProgramIncreaseInAuthorizedAmount" name="StockRepurchaseProgramIncreaseInAuthorizedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityExistingIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityExistingIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateExistingIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateExistingIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lrcx_TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <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>
