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        <link:definition>031 - Disclosure - Notes Payable</link:definition>
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        <link:definition>033 - Disclosure - Bonds, Mortgages and Other Long-Term Debt</link:definition>
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        <link:definition>035 - Disclosure - Employee Benefit Plans</link:definition>
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        <link:definition>046 - Disclosure - Related Parties Disclosure</link:definition>
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        <link:definition>047 - Disclosure - Subsequent Events</link:definition>
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        <link:definition>048 - Disclosure - Impacts of Ongoing Conflicts and Regulatory Changes</link:definition>
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        <link:definition>996000 - Disclosure - Accounting Policies, by Policy (Policies)</link:definition>
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        <link:definition>996001 - Disclosure - Basis of Presentation (Tables)</link:definition>
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        <link:definition>996004 - Disclosure - Asset Acquisition (Tables)</link:definition>
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        <link:definition>996005 - Disclosure - Fair Value Measurements (Tables)</link:definition>
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        <link:definition>996006 - Disclosure - Accounts Receivable (Tables)</link:definition>
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        <link:definition>996007 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/OtherCurrentAssetsTables" id="laes_r_OtherCurrentAssetsTables">
        <link:definition>996008 - Disclosure - Other Current Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/PropertyPlantandEquipmentTables" id="laes_r_PropertyPlantandEquipmentTables">
        <link:definition>996009 - Disclosure - Property, Plant and Equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/IntangibleandCryptoAssetsTables" id="laes_r_IntangibleandCryptoAssetsTables">
        <link:definition>996010 - Disclosure - Intangible and Crypto Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/LeasesTables" id="laes_r_LeasesTables">
        <link:definition>996011 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/GoodwillTables" id="laes_r_GoodwillTables">
        <link:definition>996012 - Disclosure - Goodwill (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/AvailableforSaleDebtSecuritiesNoncurrentTables" id="laes_r_AvailableforSaleDebtSecuritiesNoncurrentTables">
        <link:definition>996013 - Disclosure - Available-for-Sale Debt Securities, Noncurrent (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/AccountsPayableTables" id="laes_r_AccountsPayableTables">
        <link:definition>996014 - Disclosure - Accounts Payable (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/OtherCurrentliabilitiesTables" id="laes_r_OtherCurrentliabilitiesTables">
        <link:definition>996015 - Disclosure - Other Current liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/BondsMortgagesandOtherLongTermDebtTables" id="laes_r_BondsMortgagesandOtherLongTermDebtTables">
        <link:definition>996016 - Disclosure - Bonds, Mortgages and Other Long-Term Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://sealsq.com/role/EmployeeBenefitPlansTables" id="laes_r_EmployeeBenefitPlansTables">
        <link:definition>996017 - Disclosure - Employee Benefit Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/StockholdersEquityTables" id="laes_r_StockholdersEquityTables">
        <link:definition>996018 - Disclosure - Stockholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/RevenueTables" id="laes_r_RevenueTables">
        <link:definition>996019 - Disclosure - Revenue (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/StockBasedCompensationTables" id="laes_r_StockBasedCompensationTables">
        <link:definition>996020 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/NonOperatingIncomeTables" id="laes_r_NonOperatingIncomeTables">
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/NonOperatingExpensesTables" id="laes_r_NonOperatingExpensesTables">
        <link:definition>996022 - Disclosure - Non-Operating Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/SegmentReportingTables" id="laes_r_SegmentReportingTables">
        <link:definition>996023 - Disclosure - Segment Reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/EarningsLossPerShareTables" id="laes_r_EarningsLossPerShareTables">
        <link:definition>996024 - Disclosure - Earnings / (Loss) Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/RelatedPartiesDisclosureTables" id="laes_r_RelatedPartiesDisclosureTables">
        <link:definition>996025 - Disclosure - Related Parties Disclosure (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/TheSEALSQGroupDetails" id="laes_r_TheSEALSQGroupDetails">
        <link:definition>996026 - Disclosure - The SEALSQ Group (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/FutureOperationsandGoingConcernDetails" id="laes_r_FutureOperationsandGoingConcernDetails">
        <link:definition>996027 - Disclosure - Future Operations and Going Concern (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/BasisofPresentationDetails" id="laes_r_BasisofPresentationDetails">
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofEffectoftheAdjustmentofPriorPeriodInformationonConsolidatedFinancialStatementsTable" id="laes_r_ScheduleofEffectoftheAdjustmentofPriorPeriodInformationonConsolidatedFinancialStatementsTable">
        <link:definition>996029 - Disclosure - Basis of Presentation - Schedule of Effect of the Adjustment of Prior Period Information on Consolidated Financial Statements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofConcentrationofCreditRisksTable" id="laes_r_ScheduleofConcentrationofCreditRisksTable">
        <link:definition>996030 - Disclosure - Concentration of Credit Risks - Schedule of Concentration of Credit Risks (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/BusinessCombinationDetails" id="laes_r_BusinessCombinationDetails">
        <link:definition>996031 - Disclosure - Business Combination (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofTotalConsiderationAcquisitionDateFairValueTable" id="laes_r_ScheduleofTotalConsiderationAcquisitionDateFairValueTable">
        <link:definition>996032 - Disclosure - Business Combination - Schedule of Total Consideration Acquisition-Date Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofPreliminaryAllocationoftheAcquisitionDateFairValueTable" id="laes_r_ScheduleofPreliminaryAllocationoftheAcquisitionDateFairValueTable">
        <link:definition>996033 - Disclosure - Business Combination - Schedule of Preliminary Allocation of the Acquisition-Date Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofEstimatedUsefulLivesTable" id="laes_r_ScheduleofEstimatedUsefulLivesTable">
        <link:definition>996034 - Disclosure - Business Combination - Schedule of Estimated Useful Lives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofProFormaConsolidatedFinancialInformationTable" id="laes_r_ScheduleofProFormaConsolidatedFinancialInformationTable">
        <link:definition>996035 - Disclosure - Business Combination - Schedule of Pro Forma Consolidated Financial Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/AssetAcquisitionDetails" id="laes_r_AssetAcquisitionDetails">
        <link:definition>996036 - Disclosure - Asset Acquisition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofAcquisitionCostTable" id="laes_r_ScheduleofAcquisitionCostTable">
        <link:definition>996037 - Disclosure - Asset Acquisition - Schedule of Acquisition Cost (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofSummarizestheAllocationofAcquisitionCostTable" id="laes_r_ScheduleofSummarizestheAllocationofAcquisitionCostTable">
        <link:definition>996038 - Disclosure - Asset Acquisition - Schedule of Summarizes the Allocation of Acquisition Cost (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofFairValueMeasurementTable" id="laes_r_ScheduleofFairValueMeasurementTable">
        <link:definition>996039 - Disclosure - Fair Value Measurements - Schedule of Fair Value Measurement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofAccountsReceivableTable" id="laes_r_ScheduleofAccountsReceivableTable">
        <link:definition>996040 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofInventoriesTable" id="laes_r_ScheduleofInventoriesTable">
        <link:definition>996041 - Disclosure - Inventories - Schedule of Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/GovernmentAssistanceDetails" id="laes_r_GovernmentAssistanceDetails">
        <link:definition>996042 - Disclosure - Government Assistance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofOtherCurrentAssetsTable" id="laes_r_ScheduleofOtherCurrentAssetsTable">
        <link:definition>996043 - Disclosure - Other Current Assets - Schedule of Other Current Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/PropertyPlantandEquipmentDetails" id="laes_r_PropertyPlantandEquipmentDetails">
        <link:definition>996044 - Disclosure - Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofPropertyPlantandEquipmentNetTable" id="laes_r_ScheduleofPropertyPlantandEquipmentNetTable">
        <link:definition>996045 - Disclosure - Property, Plant and Equipment - Schedule of Property, Plant and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/IntangibleandCryptoAssetsDetails" id="laes_r_IntangibleandCryptoAssetsDetails">
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofIntangibleandCryptoAssetsTable" id="laes_r_ScheduleofIntangibleandCryptoAssetsTable">
        <link:definition>996047 - Disclosure - Intangible and Crypto Assets - Schedule of Intangible and Crypto Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofUsefulEconomicLifeofIntangibleAssetsTable" id="laes_r_ScheduleofUsefulEconomicLifeofIntangibleAssetsTable">
        <link:definition>996048 - Disclosure - Intangible and Crypto Assets - Schedule of Useful Economic Life of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofFutureAmortizationChargesTable" id="laes_r_ScheduleofFutureAmortizationChargesTable">
        <link:definition>996049 - Disclosure - Intangible and Crypto Assets - Schedule of Future Amortization Charges (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/LeasesDetails" id="laes_r_LeasesDetails">
        <link:definition>996050 - Disclosure - Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofLeaseCostTable" id="laes_r_ScheduleofLeaseCostTable">
        <link:definition>996051 - Disclosure - Leases - Schedule of Lease Cost (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofRightofUseAssetsandLeaseLiabilitiesTable" id="laes_r_ScheduleofRightofUseAssetsandLeaseLiabilitiesTable">
        <link:definition>996052 - Disclosure - Leases - Schedule of Right-of-Use Assets and Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofFutureMinimumAnnualLeasePaymentsTable" id="laes_r_ScheduleofFutureMinimumAnnualLeasePaymentsTable">
        <link:definition>996053 - Disclosure - Leases - Schedule of Future Minimum Annual Lease Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/GoodwillDetails" id="laes_r_GoodwillDetails">
        <link:definition>996054 - Disclosure - Goodwill (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofAccumulatedOtherComprehensiveIncomeTable" id="laes_r_ScheduleofAccumulatedOtherComprehensiveIncomeTable">
        <link:definition>996055 - Disclosure - Goodwill - Schedule of Accumulated Other Comprehensive Income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofAvailableforSaleDebtSecuritiesNoncurrentTable" id="laes_r_ScheduleofAvailableforSaleDebtSecuritiesNoncurrentTable">
        <link:definition>996056 - Disclosure - Available-for-Sale Debt Securities, Noncurrent - Schedule of Available-for-Sale Debt Securities, Noncurrent (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/InvestmentsinUnconsolidatedAffiliatesDetails" id="laes_r_InvestmentsinUnconsolidatedAffiliatesDetails">
        <link:definition>996057 - Disclosure - Investments in Unconsolidated Affiliates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/InvestmentsinUnconsolidatedRelatedPartyAffiliatesDetails" id="laes_r_InvestmentsinUnconsolidatedRelatedPartyAffiliatesDetails">
        <link:definition>996058 - Disclosure - Investments in Unconsolidated Related Party Affiliates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/OtherInvestmentsDetails" id="laes_r_OtherInvestmentsDetails">
        <link:definition>996059 - Disclosure - Other Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/AccountsPayableDetails" id="laes_r_AccountsPayableDetails">
        <link:definition>996060 - Disclosure - Accounts Payable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofAccountsPayableTable" id="laes_r_ScheduleofAccountsPayableTable">
        <link:definition>996061 - Disclosure - Accounts Payable - Schedule of Accounts Payable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofAccountsPayableTableAlt1" id="laes_r_ScheduleofAccountsPayableTableAlt1">
        <link:definition>996061 - Disclosure - Accounts Payable - Schedule of Accounts Payable (Details) Alternate 1</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://sealsq.com/role/ScheduleofOtherCurrentLiabilitiesTable" id="laes_r_ScheduleofOtherCurrentLiabilitiesTable">
        <link:definition>996062 - Disclosure - Other Current liabilities - Schedule of Other Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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  <xs:element name="TotalCryptoAssetsAndRelatedBalancesNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_TotalCryptoAssetsAndRelatedBalancesNet"/>
  <xs:element name="LeaseCostCostOfSales" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseCostCostOfSales"/>
  <xs:element name="LeaseCostGeneralampAdministrativeExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseCostGeneralampAdministrativeExpenses"/>
  <xs:element name="NetLeaseCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_NetLeaseCost"/>
  <xs:element name="LeaseRightOfUseAssetAfterAccumulatedAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseRightOfUseAssetAfterAccumulatedAmortization"/>
  <xs:element name="LeaseLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiability"/>
  <xs:element name="LeasesScheduleofFutureMinimumAnnualLeasePaymentsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_LeasesScheduleofFutureMinimumAnnualLeasePaymentsDetailsTable"/>
  <xs:element name="LeaseLiabilityToBePaidYearOne" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityToBePaidYearOne"/>
  <xs:element name="LeaseLiabilityToBePaidYearTwo" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityToBePaidYearTwo"/>
  <xs:element name="LeaseLiabilityToBePaidYearThree" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityToBePaidYearThree"/>
  <xs:element name="LeaseLiabilityToBePaidYearFour" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityToBePaidYearFour"/>
  <xs:element name="LeaseLiabilityToBePaidAfterYearFour" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityToBePaidAfterYearFour"/>
  <xs:element name="LeaseLiabilityPaymentsDue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityPaymentsDue"/>
  <xs:element name="LeaseLiabilityUndiscountedExcessAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LeaseLiabilityUndiscountedExcessAmount"/>
  <xs:element name="GoodwillAccumulatedTranslationAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_GoodwillAccumulatedTranslationAdjustment"/>
  <xs:element name="AccountsPayableShareholdersCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_AccountsPayableShareholdersCurrent"/>
  <xs:element name="AccountsPayableBoardMembersCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_AccountsPayableBoardMembersCurrent"/>
  <xs:element name="AccountsPayableOtherRelatedPartiesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_AccountsPayableOtherRelatedPartiesCurrent"/>
  <xs:element name="SupplierContractLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_SupplierContractLiability"/>
  <xs:element name="StampDutyLiabilityCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_StampDutyLiabilityCurrent"/>
  <xs:element name="OtherCurrentLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_OtherCurrentLiabilities"/>
  <xs:element name="LongTermDebtMaturityAfterYearFour" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LongTermDebtMaturityAfterYearFour"/>
  <xs:element name="AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanIncreaseDecreaseFromCurrencyTranslationAdjustmentAfterTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanIncreaseDecreaseFromCurrencyTranslationAdjustmentAfterTax"/>
  <xs:element name="DefinedBenefitPlanAcquisitionForeignCurrencyTranslationGainLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_DefinedBenefitPlanAcquisitionForeignCurrencyTranslationGainLoss"/>
  <xs:element name="DefinedBenefitPlanBusinessCombination" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_DefinedBenefitPlanBusinessCombination"/>
  <xs:element name="RevenueScheduleofContractAssetsDeferredRevenueandContractLiabilityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_RevenueScheduleofContractAssetsDeferredRevenueandContractLiabilityDetailsTable"/>
  <xs:element name="TradeAccountsReceivableCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_TradeAccountsReceivableCurrent"/>
  <xs:element name="StockBasedCompensationScheduleofFairValueofStockOptionsGrantedDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_StockBasedCompensationScheduleofFairValueofStockOptionsGrantedDetailsTable"/>
  <xs:element name="StockBasedCompensationScheduleofNonVestedOptionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_StockBasedCompensationScheduleofNonVestedOptionsDetailsTable"/>
  <xs:element name="WeightedAverageRemainingContractualTerms" type="xbrli:durationItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_WeightedAverageRemainingContractualTerms"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVested" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVested"/>
  <xs:element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVESTEDsInPeriodWeightedAverageExercisePrice" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVESTEDsInPeriodWeightedAverageExercisePrice"/>
  <xs:element name="AggregateIntrinsicValueOfWhichVestedinDollars" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AggregateIntrinsicValueOfWhichVestedinDollars"/>
  <xs:element name="AggregateIntrinsicValueGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AggregateIntrinsicValueGranted"/>
  <xs:element name="ForfeitedOrCancelled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_ForfeitedOrCancelled"/>
  <xs:element name="StatementOfIncomeBalanceLocationDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_StatementOfIncomeBalanceLocationDomainDomain"/>
  <xs:element name="StockBasedCompensationScheduleofStockBasedCompensationExpensesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_StockBasedCompensationScheduleofStockBasedCompensationExpensesDetailsTable"/>
  <xs:element name="GainOnRemeasurementOfPreviouslyHeldEquityInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_GainOnRemeasurementOfPreviouslyHeldEquityInterest"/>
  <xs:element name="RealizedGainsOnInvestment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_RealizedGainsOnInvestment"/>
  <xs:element name="UnrealizedGainOnInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_UnrealizedGainOnInvestments"/>
  <xs:element name="FinancialIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_FinancialIncome"/>
  <xs:element name="NonoperatingIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_NonoperatingIncome"/>
  <xs:element name="FinancialCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_FinancialCharges"/>
  <xs:element name="SegmentReportingScheduleofIntersegmentSalesandTransfersDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_SegmentReportingScheduleofIntersegmentSalesandTransfersDetailsTable"/>
  <xs:element name="SegmentReportingScheduleofAssetReconciliationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_SegmentReportingScheduleofAssetReconciliationDetailsTable"/>
  <xs:element name="AssetsFromOtherOperatingSegmentsIncludingGoodwill" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AssetsFromOtherOperatingSegmentsIncludingGoodwill"/>
  <xs:element name="SegmentReportingScheduleofPropertyPlantandEquipmentDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_SegmentReportingScheduleofPropertyPlantandEquipmentDetailsTable"/>
  <xs:element name="EarningsLossPerShareScheduleofEarningsPerSharesBasicandDilutedDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_EarningsLossPerShareScheduleofEarningsPerSharesBasicandDilutedDetailsTable"/>
  <xs:element name="RelatedPartiesDisclosureScheduleofCondensedConsolidatedFinancialStatementsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_RelatedPartiesDisclosureScheduleofCondensedConsolidatedFinancialStatementsDetailsTable"/>
  <xs:element name="InvestmentsInSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_InvestmentsInSubsidiaries"/>
  <xs:element name="WorkingCapitalSurplusDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_WorkingCapitalSurplusDeficit"/>
  <xs:element name="BasisofPresentationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_BasisofPresentationDetailsTable"/>
  <xs:element name="BusinessCombinationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_BusinessCombinationDetailsTable"/>
  <xs:element name="SubscriptionCapitalIncrease" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_SubscriptionCapitalIncrease"/>
  <xs:element name="IncreaseInOwnershipPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_IncreaseInOwnershipPercentage"/>
  <xs:element name="OutstandingOrdinarySharesDilutedBasis" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_OutstandingOrdinarySharesDilutedBasis"/>
  <xs:element name="RemeasurementLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_RemeasurementLoss"/>
  <xs:element name="NetAcquisitionDateLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_NetAcquisitionDateLoss"/>
  <xs:element name="AssetAcquisitionDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_AssetAcquisitionDetailsTable"/>
  <xs:element name="PercentageOfFairValueOfTheGrossAssetsAcquired" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_PercentageOfFairValueOfTheGrossAssetsAcquired"/>
  <xs:element name="GovernmentAssistanceAmountCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_GovernmentAssistanceAmountCurrent"/>
  <xs:element name="IntangibleandCryptoAssetsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_IntangibleandCryptoAssetsDetailsTable"/>
  <xs:element name="CarryingAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_CarryingAmount"/>
  <xs:element name="GoodwillDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_GoodwillDetailsTable"/>
  <xs:element name="InvestmentsinUnconsolidatedAffiliatesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_InvestmentsinUnconsolidatedAffiliatesDetailsTable"/>
  <xs:element name="PercentageOfThresholds" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_PercentageOfThresholds"/>
  <xs:element name="InvestmentsinUnconsolidatedRelatedPartyAffiliatesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_InvestmentsinUnconsolidatedRelatedPartyAffiliatesDetailsTable"/>
  <xs:element name="EquityMethodInvestmentSharesAcquired" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_EquityMethodInvestmentSharesAcquired"/>
  <xs:element name="OtherInvestmentsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_OtherInvestmentsDetailsTable"/>
  <xs:element name="AcquiredShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_AcquiredShares"/>
  <xs:element name="AnnualPrepayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AnnualPrepayments"/>
  <xs:element name="AccountsPayableDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_AccountsPayableDetailsTable"/>
  <xs:element name="AccountsPayableDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_AccountsPayableDetailsLineItems"/>
  <xs:element name="BondsMortgagesandOtherLongTermDebtDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_BondsMortgagesandOtherLongTermDebtDetailsTable"/>
  <xs:element name="DebtInstrumentNumberOfEqualQuarterlyInstallmentsDebtRepayment" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_DebtInstrumentNumberOfEqualQuarterlyInstallmentsDebtRepayment"/>
  <xs:element name="RepaymentOfInterestTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_RepaymentOfInterestTerm"/>
  <xs:element name="DebtInstrumentNumberOfInstallmentsInDebtDisbursement" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_DebtInstrumentNumberOfInstallmentsInDebtDisbursement"/>
  <xs:element name="LoanIssued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_LoanIssued"/>
  <xs:element name="RepaymentOfLoanTerm" type="xbrli:dateItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_RepaymentOfLoanTerm"/>
  <xs:element name="IndebtednesstoRelatedPartiesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_IndebtednesstoRelatedPartiesDetailsTable"/>
  <xs:element name="InterestRemainedOutstanding" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_InterestRemainedOutstanding"/>
  <xs:element name="AffiliatesCurrentPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AffiliatesCurrentPayable"/>
  <xs:element name="EmployeeBenefitPlansDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_EmployeeBenefitPlansDetailsTable"/>
  <xs:element name="StandardAssuranceTypeWarrantTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_StandardAssuranceTypeWarrantTerm"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_StockholdersEquityDetailsTable"/>
  <xs:element name="NumberOfVotesPerShare" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_NumberOfVotesPerShare"/>
  <xs:element name="PercentageOfVotingPower" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_PercentageOfVotingPower"/>
  <xs:element name="DividendsPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_DividendsPerShare"/>
  <xs:element name="DistributionsPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_DistributionsPerShare"/>
  <xs:element name="PercentageOfVotingPowerRequiredForPresentInPeronOrRepresentedByProxy" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_PercentageOfVotingPowerRequiredForPresentInPeronOrRepresentedByProxy"/>
  <xs:element name="DividendsPerShareNumberOfTimesGreaterThanOrdinaryShares" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_DividendsPerShareNumberOfTimesGreaterThanOrdinaryShares"/>
  <xs:element name="DistributionPerShareNumberOfTimesGreaterThanOrdinaryShares" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_DistributionPerShareNumberOfTimesGreaterThanOrdinaryShares"/>
  <xs:element name="RedemptionOwnershipThresholdPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_RedemptionOwnershipThresholdPercentage"/>
  <xs:element name="NumberOfSharesIssuableInCaseOfRedemption" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_NumberOfSharesIssuableInCaseOfRedemption"/>
  <xs:element name="CommonStockCapitalValueReservedForFutureIssuance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="laes_CommonStockCapitalValueReservedForFutureIssuance"/>
  <xs:element name="CommonStockNumberOfSharesAvailableForIssuance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_CommonStockNumberOfSharesAvailableForIssuance"/>
  <xs:element name="NumberOfWarrantsAccompaniedWithEachShare" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="laes_NumberOfWarrantsAccompaniedWithEachShare"/>
  <xs:element name="AdjustmentsRelatedToStockIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="laes_AdjustmentsRelatedToStockIssuanceCosts"/>
  <xs:element name="StockBasedCompensationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="laes_StockBasedCompensationDetailsTable"/>
  <xs:element name="NumberOfSharesGranteesTaxObligation" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_NumberOfSharesGranteesTaxObligation"/>
  <xs:element name="NumberOfOrdinarySharesCreationAndDelivery" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="laes_NumberOfOrdinarySharesCreationAndDelivery"/>
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