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  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-roles-2026.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2026" schemaLocation="https://xbrl.sec.gov/country/2026/country-2026.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd-sub/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-sub-2026.xsd" />
  <xsd:element name="PeriodOfWarrantyFromDateOfShipment" id="ilink_PeriodOfWarrantyFromDateOfShipment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QbakMember" id="ilink_QbakMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerOneMember" id="ilink_CustomerOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerTwoMember" id="ilink_CustomerTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfCustomers" id="ilink_NumberOfCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProductWarrantyExtendedTerm" id="ilink_ProductWarrantyExtendedTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AsiaAndMiddleEastMember" id="ilink_AsiaAndMiddleEastMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherIncomePolicyPolicyTextBlock" id="ilink_OtherIncomePolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubleaseAgreementOfSpaceLocatedInIrvineCaliforniaMember" id="ilink_SubleaseAgreementOfSpaceLocatedInIrvineCaliforniaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSquareFeetGivenAsSublease" id="ilink_NumberOfSquareFeetGivenAsSublease" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="SubleaseRentPerMonth" id="ilink_SubleaseRentPerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SpaceForExecutiveOfficesSalesFinanceAndAdministrationMember" id="ilink_SpaceForExecutiveOfficesSalesFinanceAndAdministrationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodForSeverancePayment" id="ilink_PeriodForSeverancePayment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DetailsOfCertainFinancialStatementComponentsAbstract" id="ilink_DetailsOfCertainFinancialStatementComponentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FurnitureMachineryAndEquipmentMember" id="ilink_FurnitureMachineryAndEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DetailsOfCertainFinancialStatementComponentsTextBlock" id="ilink_DetailsOfCertainFinancialStatementComponentsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerMember" id="ilink_CustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerBMember" id="ilink_CustomerBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfPreferredStockAndPreferenceStockNetOfIssuanceCosts" id="ilink_ProceedsFromIssuanceOfPreferredStockAndPreferenceStockNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeriesConvertiblePreferredStockMember" id="ilink_SeriesConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesConvertiblePreferredStockAbstract" id="ilink_SeriesConvertiblePreferredStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesaConvertiblePreferredStockTextBlock" id="ilink_SeriesaConvertiblePreferredStockTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesConvertiblePreferredStockEightPercentMember" id="ilink_SeriesConvertiblePreferredStockEightPercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdLimitOnClosingPriceOfCommonStockForConversion" id="ilink_ThresholdLimitOnClosingPriceOfCommonStockForConversion" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TransferAssignOrSellAnySharesThresholdTradingDays" id="ilink_TransferAssignOrSellAnySharesThresholdTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TransferAssignOrSellAnySharesThresholdConsecutiveTradingDays" id="ilink_TransferAssignOrSellAnySharesThresholdConsecutiveTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdLimitPercentageOnInitialConversionPrice" id="ilink_ThresholdLimitPercentageOnInitialConversionPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentsHeldByForeignSubsidiaries" id="ilink_CashAndCashEquivalentsHeldByForeignSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AdjustmentsToReconcileOperatingLeaseExpenseToCashPaid" id="ilink_AdjustmentsToReconcileOperatingLeaseExpenseToCashPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerShareBasicAndDilutedAbstracts" id="ilink_EarningsPerShareBasicAndDilutedAbstracts" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EuropeAndOtherMember" id="ilink_EuropeAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesaConvertiblePreferredStockMember" id="ilink_SeriesaConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfDividendOnCommonStockDeclared" id="ilink_PercentageOfDividendOnCommonStockDeclared" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LeaseRentPerMonth" id="ilink_LeaseRentPerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PercentageOfAnnualIncreaseInLeaseRent" id="ilink_PercentageOfAnnualIncreaseInLeaseRent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FremontCaliforniaFacilityMember" id="ilink_FremontCaliforniaFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LeaseLiabilitiesCapitalizedPercentage" id="ilink_LeaseLiabilitiesCapitalizedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SpaceForExecutiveOfficesSalesAndAdministrationLocatedInBellevueWashingtonMember" id="ilink_SpaceForExecutiveOfficesSalesAndAdministrationLocatedInBellevueWashingtonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdditionalAreaOfLandLeased" id="ilink_AdditionalAreaOfLandLeased" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="OmnibusIncentivePlan2016Member" id="ilink_OmnibusIncentivePlan2016Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SpaceForManufacturingFacilityAndAdministrativeOfficeLocatedInBarnsleyEnglandMember" id="ilink_SpaceForManufacturingFacilityAndAdministrativeOfficeLocatedInBarnsleyEnglandMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" id="ilink_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AccountsReceivableAllowanceForCreditLossForeignExchangeRateChanges" id="ilink_AccountsReceivableAllowanceForCreditLossForeignExchangeRateChanges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ShippingAndHandlingFeesAndCostPolicyPolicyTextBlock" id="ilink_ShippingAndHandlingFeesAndCostPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" id="ilink_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
</xsd:schema>
