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        <link:definition>164 - Disclosure - Stock-Based Compensation - Summary of Assumptions used to Determine Fair Value of Employee Share Options Granted (Detail)</link:definition>
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        <link:definition>165 - Disclosure - Stock-Based Compensation - Summary of Assumptions used to Determine Fair Value of Employee Share Options Granted (Parenthetical) (Detail)</link:definition>
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        <link:definition>166 - Disclosure - Stock-Based Compensation - Summary of Non-employee Share Option Activities (Detail)</link:definition>
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        <link:definition>167 - Disclosure - Stock-Based Compensation - Summary of Assumptions used to Determine Fair Value of Non-employee Share Options Granted (Detail)</link:definition>
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        <link:definition>168 - Disclosure - Stock-Based Compensation - Summary of Assumptions used to Determine Fair Value of Non-employee Share Options Granted (Parenthetical) (Detail)</link:definition>
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        <link:definition>169 - Disclosure - Income Taxes - Additional Information (Detail)</link:definition>
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  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" id="acmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ShengxinShanghaiManagementConsultingLimitedPartnershipMember" id="acmr_ShengxinShanghaiManagementConsultingLimitedPartnershipMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="SubsidiesToStressFreePolishingProjectMember" id="acmr_SubsidiesToStressFreePolishingProjectMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="WarrantsLiabilityFairValueDisclosure" id="acmr_WarrantsLiabilityFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WarrantsObligationDueToInabilityToObtainRequiredGovernmentalOrEquityHolderApproval" id="acmr_WarrantsObligationDueToInabilityToObtainRequiredGovernmentalOrEquityHolderApproval" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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</schema>
