SEMI G3-90 SPECIFICATION FOR SlDEBRAZED LAMINATES

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1、SEMIG3-90N/A©SEMI1980,1996SPECIFICATIONFORSlDEBRAZEDLAMINATES1PrefacechipÑAregionofceramicmissingfromthesurfaceoredgeofapackagewhichdoesnotgocompletelyThisspeciÞcationcoverslaminatedceramicsidebrazedthroughthepackage.Chipsizeisgivenbyitslength,packagesof7.62mm(.003"),10.16mm(.400"),

2、15.24widthanddepthfromaprojectionofthedesignplan-mm(.600")and22.86mm(.900")nominalwidths.Theform.(SeeFigure1.)leadframewhichisbrazedtothistypeofpackageisincludedinthisspeciÞcation.crackÑAcleavageorfracturethatextendstothesur-faceofapackage.Itmayormaynotpassthroughthe2ApplicableDocum

3、ents1entirethicknessofthepackage.2.1Thisfollowingapplicabledocuments,oftherevi-dieattachsurfaceÑSeeFigure2.sioncurrentlyineffect,arepartofthisspeciÞcationtotheextentreferencedherein.MIL-STD-105ÑSamplingProceduresandTablesforInspectionbyAttributesMIL-STD-883ÑTestMethodsandProceduresf

4、orMicroelectronicsMIL-G-45204ÑGoldPlating,Electro-DepositedMIL-M-38510ÑGeneralSpecificationforMicrocir-cuits3SelectedDeÞnitionsburrÑAnadherentfragmentofexcessparentmate-rialatthecomponentedge.Figure2DieAttachSurfacediscolorationÑAnychangeinthecolorofthepack-ageplatingasdetectedbythe

5、unaidedeyeaftertheapplicationofheatperSection9.1.1.foreignmaterialÑAnadherentparticleotherthanparentmaterialofthatcomponent.LSIÑLargescaleintegration.layerÑAceramicormetallizedlayerthatperformsadiscretefunctionasapartofthepackage.Shouldalayerbecomprisedofmorethanoneceramiclaminate,a

6、llofthoselaminatesshallbeconsideredascompris-Figure1ingonelayerifallarecommoninbothplan-formandChipIllustrationfunction.Leadframesshallnotbeconsideredaslayers.MSIÑMediumscaleintegration.projectionÑAnadherentfragmentofexcessmaterial1MilitaryStandards,NavalPublicationsandFormCenter,58

7、01TaborAve.,Philadelphia,PA19120onthecomponentsurface.1SEMIG3-90©SEMI1980,1996pullbackÑThelineardistancebetweentheedgeoftheceramicandtheÞrstmeasurablemetallizationinterface.(SeeFigure3.)rundownÑSeeFigure3.NOTE:Whendeterminingtheseatingplaneadownwardforceof10gramsistobeappliedtothepa

8、ckage.Figure5Leadfr