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  <element name="IncreaseDecreaseInRestrictedCashRelatedToInsuranceProceeds" id="mx_IncreaseDecreaseInRestrictedCashRelatedToInsuranceProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IntercompanyLoan" id="mx_IntercompanyLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InventoryReserveChargedToCostsOfSales" id="mx_InventoryReserveChargedToCostsOfSales" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InventoryValuationReservesChanges" id="mx_InventoryValuationReservesChanges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InventoryValuationReservesChangesAbstract" id="mx_InventoryValuationReservesChangesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InventoryValuationReservesForeignCurrencyTranslationAdjustments" id="mx_InventoryValuationReservesForeignCurrencyTranslationAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="KoreanStatutoryTaxRateMember" id="mx_KoreanStatutoryTaxRateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiabilityForIncomeTaxesAssociatedWithUncertainTaxPositionsNet" id="mx_LiabilityForIncomeTaxesAssociatedWithUncertainTaxPositionsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LowYieldCompensationReserve" id="mx_LowYieldCompensationReserve" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LowYieldCompensationReserveMember" id="mx_LowYieldCompensationReserveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LowYieldCompensationReserveReversalProvisions" id="mx_LowYieldCompensationReserveReversalProvisions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LowYieldCompensationReserveTranslationAdjustments" id="mx_LowYieldCompensationReserveTranslationAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LowYieldCompensationReserveWriteoffs" id="mx_LowYieldCompensationReserveWriteoffs" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LuxembourgSubsidiaryMember" id="mx_LuxembourgSubsidiaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaximumPercentageOfExchangeableNotesConversion" id="mx_MaximumPercentageOfExchangeableNotesConversion" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinimumRequiredPercentageOfHoldersToDeclareRepurchaseOfNotes" id="mx_MinimumRequiredPercentageOfHoldersToDeclareRepurchaseOfNotes" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinimumSumOfQualifiedAndUnrestrictedCashAndCashEquivalents" id="mx_MinimumSumOfQualifiedAndUnrestrictedCashAndCashEquivalents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NatureOfOperationPolicyTextBlock" id="mx_NatureOfOperationPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetOperatingLossCarryForwardsExpirationDate" id="mx_NetOperatingLossCarryForwardsExpirationDate" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NomuraFinancialInvestmentCoLtdMember" id="mx_NomuraFinancialInvestmentCoLtdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfBusinessLines" id="mx_NumberOfBusinessLines" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfCustomer" id="mx_NumberOfCustomer" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfCustomersGreaterThanTenPercentThreshold" id="mx_NumberOfCustomersGreaterThanTenPercentThreshold" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OffsettingAssetsLiabilitiesTableTextBlock" id="mx_OffsettingAssetsLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryforwardsExpirationRange" id="mx_OperatingLossCarryforwardsExpirationRange" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryforwardsUtilizedDuringPeriod" id="mx_OperatingLossCarryforwardsUtilizedDuringPeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingSegmentsAndCorporateNonSegmentMember" id="mx_OperatingSegmentsAndCorporateNonSegmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherAccruedLiabilitiesLineItems" id="mx_OtherAccruedLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherAssetClassMember" id="mx_OtherAssetClassMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherCountriesMember" id="mx_OtherCountriesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherReceivableMember" id="mx_OtherReceivableMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherReceivablesMember" id="mx_OtherReceivablesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OwnershipPercentage" id="mx_OwnershipPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PartialUnpaidInterestAmountWaiverOnIntercompanyLoan" id="mx_PartialUnpaidInterestAmountWaiverOnIntercompanyLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PatentsAndLicensesPolicyTextBlock" id="mx_PatentsAndLicensesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForGuaranteeDeposits" id="mx_PaymentsForGuaranteeDeposits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForLegalSettlementsExcludingInterest" id="mx_PaymentsForLegalSettlementsExcludingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfNotesToRepurchasedOnDeclarationByMinimumRequiredHolders" id="mx_PercentageOfNotesToRepurchasedOnDeclarationByMinimumRequiredHolders" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PermanentDifferencesAbstract" id="mx_PermanentDifferencesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PostemploymentBenefitsTranslationAdjustment" id="mx_PostemploymentBenefitsTranslationAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PowerSolutionsMember" id="mx_PowerSolutionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromGuaranteeDeposits" id="mx_ProceedsFromGuaranteeDeposits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromSaleOfPropertyPlantAndEquipmentGross" id="mx_ProceedsFromSaleOfPropertyPlantAndEquipmentGross" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProvisionForDoubtfulAccountsNetOfRecoveries" id="mx_ProvisionForDoubtfulAccountsNetOfRecoveries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProvisionForSalesReturnsNetOfRecoveries" id="mx_ProvisionForSalesReturnsNetOfRecoveries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestructuringGainMember" id="mx_RestructuringGainMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SaleOfPreviouslyReservedInventory" id="mx_SaleOfPreviouslyReservedInventory" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfComponentsOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" id="mx_ScheduleOfComponentsOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock" id="mx_ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfUncertainTaxPositionsRollforwardTableTextBlock" id="mx_ScheduleOfUncertainTaxPositionsRollforwardTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SecuritiesAndExchangeCommissionActionsMember" id="mx_SecuritiesAndExchangeCommissionActionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" id="mx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsInPeriodExercised" id="mx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsInPeriodExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareholderDerivativeActionsMember" id="mx_ShareholderDerivativeActionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SixPointSixTwoFiveZeroPercentageSeniorSecuredNotesDueTwoThousandTwentyOneMember" id="mx_SixPointSixTwoFiveZeroPercentageSeniorSecuredNotesDueTwoThousandTwentyOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StandardProductsGroupMember" id="mx_StandardProductsGroupMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxBenefitMinimumTaxAmountsRefundable" id="mx_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxBenefitMinimumTaxAmountsRefundable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" id="mx_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThresholdAmountCashCollateralForeignCurrencyExposure" id="mx_ThresholdAmountCashCollateralForeignCurrencyExposure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TopCustomerOneMember" id="mx_TopCustomerOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TopCustomerTwoMember" id="mx_TopCustomerTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TopTenCustomersMember" id="mx_TopTenCustomersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncertainTaxPositionsIncreasesDecreaseResultingFromCurrentPeriodTaxPositions" id="mx_UncertainTaxPositionsIncreasesDecreaseResultingFromCurrentPeriodTaxPositions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncertainTaxPositionsIncreasesDecreaseResultingFromForeignCurrencyTranslation" id="mx_UncertainTaxPositionsIncreasesDecreaseResultingFromForeignCurrencyTranslation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncertainTaxPositionsIncreasesDecreaseResultingFromPriorPeriodTaxPositions" id="mx_UncertainTaxPositionsIncreasesDecreaseResultingFromPriorPeriodTaxPositions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncertainTaxPositionsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" id="mx_UncertainTaxPositionsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnrecognizedTaxBenefitsIncreaseDecreaseIncomeTaxPenaltiesAndInterestExpense" id="mx_UnrecognizedTaxBenefitsIncreaseDecreaseIncomeTaxPenaltiesAndInterestExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnrecognizedTaxBenefitsIncreasesDecreaseResultingFromForeignCurrencyTranslation" id="mx_UnrecognizedTaxBenefitsIncreasesDecreaseResultingFromForeignCurrencyTranslation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UsStatutoryTaxRateMember" id="mx_UsStatutoryTaxRateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ValuationAllowanceDeferredTaxAssetsTableTextBlock" id="mx_ValuationAllowanceDeferredTaxAssetsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VendorRebatesRecordedAsReductionOfCostOfSales" id="mx_VendorRebatesRecordedAsReductionOfCostOfSales" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VendorRebatesRecordedAsReductionOfInventory" id="mx_VendorRebatesRecordedAsReductionOfInventory" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VoluntaryResignationProgramMember" id="mx_VoluntaryResignationProgramMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WithholdingTaxBenefitRecognized" id="mx_WithholdingTaxBenefitRecognized" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WrittenNoticePeriodForTerminationOfLeaseMinimum" id="mx_WrittenNoticePeriodForTerminationOfLeaseMinimum" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ZeroCostCollarAndForwardContractsMember" id="mx_ZeroCostCollarAndForwardContractsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ZeroCostCollarOneMember" id="mx_ZeroCostCollarOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ZeroCostCollarsMember" id="mx_ZeroCostCollarsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ZeroCostCollarTwoMember" id="mx_ZeroCostCollarTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
