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| <element name="ProcessControlMetrologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="inrd_ProcessControlMetrologyMember" substitutionGroup="xbrli:item"/> |
| <element name="LaserSystemsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="inrd_LaserSystemsMember" substitutionGroup="xbrli:item"/> |
| <element name="ScientificRdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="inrd_ScientificRdMember" substitutionGroup="xbrli:item"/> |
| <element name="PercentageOfRevenueFromProductsOrServices" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="inrd_PercentageOfRevenueFromProductsOrServices" substitutionGroup="xbrli:item"/> |
| <element name="ClarexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="inrd_ClarexMember" substitutionGroup="xbrli:item"/> |
| <element name="AffiliateOfClarexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="inrd_AffiliateOfClarexMember" substitutionGroup="xbrli:item"/> |
| <element name="WarrantsToPurchaseCommonStockNumberOfSharesPerWarrant" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="inrd_WarrantsToPurchaseCommonStockNumberOfSharesPerWarrant" substitutionGroup="xbrli:item"/> |
| <element id="inrd_EarningsPerShareDilutedConversionNotes" name="EarningsPerShareDilutedConversionNotes" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="inrd_EarningsPerShareDilutedAccruedInterestOnConvertibleNotes" name="EarningsPerShareDilutedAccruedInterestOnConvertibleNotes" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="inrd_EarningsPerShareDilutedWarrants" name="EarningsPerShareDilutedWarrants" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="inrd_EarningsPerShareDilutedStockOptions" name="EarningsPerShareDilutedStockOptions" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="inrd_LesseeOperatingLeaseOtherInformationTableTextBlock" name="LesseeOperatingLeaseOtherInformationTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="inrd_InvestmentWarrantsExercisePrice1" name="InvestmentWarrantsExercisePrice1" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| </schema> |