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	<link:linkbaseRef xlink:type="simple" xlink:href="acmr-20190331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </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://xbrl.sec.gov/dei/2018-01-31" schemaLocation="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd" />
    <import namespace="http://fasb.org/us-gaap/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd" />
    <import namespace="http://fasb.org/us-types/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-types-2018-01-31.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://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/currency/2017-01-31" schemaLocation="http://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/exch/2018-01-31" schemaLocation="https://xbrl.sec.gov/exch/2018/exch-2018-01-31.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/naics/2017-01-31" schemaLocation="http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/stpr/2018-01-31" schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd" />
    <import namespace="http://fasb.org/srt/2018-01-31" schemaLocation="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd" />
    <element id="acmr_WarrantLiabilityTextBlock" name="WarrantLiabilityTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_InventoryPledgedAsCollateral" name="InventoryPledgedAsCollateral" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_AccruedMachineTestingFeeCurrent" name="AccruedMachineTestingFeeCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_PrepaidForMaterialPurchases" name="PrepaidForMaterialPurchases" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SupplementalCashFlowInformationRelatedToOperatingLease" name="SupplementalCashFlowInformationRelatedToOperatingLease" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_OperatingCashOutflowFromOperatingLeases" name="OperatingCashOutflowFromOperatingLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_NonEmployeeAwardsMember" name="NonEmployeeAwardsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_AcmShanghaiMember" name="AcmShanghaiMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShengxinShanghaiManagementConsultingLimitedPartnershipMember" name="ShengxinShanghaiManagementConsultingLimitedPartnershipMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_AcmWuxiMember" name="AcmWuxiMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SubsidiesToStressFreePolishingProjectMember" name="SubsidiesToStressFreePolishingProjectMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SubsidiesToElectroCopperPlatingProjectMember" name="SubsidiesToElectroCopperPlatingProjectMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SubsidiesToPatentProjectMember" name="SubsidiesToPatentProjectMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_NinebellMember" name="NinebellMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_LoanAgreementMember" name="LoanAgreementMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_LineOfCreditFivePointSixNinePercentDueMarchFiveTwentyEighteenMember" name="LineOfCreditFivePointSixNinePercentDueMarchFiveTwentyEighteenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_LineOfCreditFivePointSixSixPercentDueSeptemberTwentyTwoTwentyEighteenMember" name="LineOfCreditFivePointSixSixPercentDueSeptemberTwentyTwoTwentyEighteenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_LineOfCreditFivePointSixSixPercentDueSeptemberTwentyThreeTwentyEighteenMember" name="LineOfCreditFivePointSixSixPercentDueSeptemberTwentyThreeTwentyEighteenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SeriesEConvertiblePreferredStockMember" name="SeriesEConvertiblePreferredStockMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SeriesAConvertiblePreferredStockMember" name="SeriesAConvertiblePreferredStockMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SeriesBConvertiblePreferredStockMember" name="SeriesBConvertiblePreferredStockMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SeriesCConvertiblePreferredStockMember" name="SeriesCConvertiblePreferredStockMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SeriesDConvertiblePreferredStockMember" name="SeriesDConvertiblePreferredStockMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SeriesFConvertiblePreferredStockMember" name="SeriesFConvertiblePreferredStockMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShorttermBorrowingsDueFebruaryTenTwentySeventeenMember" name="ShorttermBorrowingsDueFebruaryTenTwentySeventeenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShorttermBorrowingsDueJuneTwentyFourTwentySeventeenMember" name="ShorttermBorrowingsDueJuneTwentyFourTwentySeventeenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_LineOfCreditFivePointSixSixPercentDueJulyThreeTwentySeventeenMember" name="LineOfCreditFivePointSixSixPercentDueJulyThreeTwentySeventeenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_LineOfCreditThreePointTwoPercentDueJulyThreeTwentySeventeenMember" name="LineOfCreditThreePointTwoPercentDueJulyThreeTwentySeventeenMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_OperatingLeaseAgreementMember" name="OperatingLeaseAgreementMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShanghaiZhangjiangGroupCoLtdMember" name="ShanghaiZhangjiangGroupCoLtdMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_EmployeeAndNonEmployeeMember" name="EmployeeAndNonEmployeeMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings1Member" name="ShortTermBorrowings1Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings2Member" name="ShortTermBorrowings2Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings3Member" name="ShortTermBorrowings3Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings4Member" name="ShortTermBorrowings4Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings5Member" name="ShortTermBorrowings5Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings6Member" name="ShortTermBorrowings6Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings7Member" name="ShortTermBorrowings7Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings8Member" name="ShortTermBorrowings8Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_SubsidiesToPolytetrafluoroethyleneMember" name="SubsidiesToPolytetrafluoroethyleneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings9Member" name="ShortTermBorrowings9Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings10Member" name="ShortTermBorrowings10Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_ShortTermBorrowings11Member" name="ShortTermBorrowings11Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_OtherMember" name="OtherMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_WarrantLiabilityAbstract" name="WarrantLiabilityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="acmr_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" name="CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
</schema>
