SEMI G35-87 SPECIFICATION FOR TEST METHODS FOR LEAD FINISHES

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1、SEMIG35-87N/A©SEMI1986,1996SPECIFICATIONFORTESTMETHODSFORLEADFINISHESONSEMICONDUCTOR(ACTIVE)DEVICES1Scope3.4MilitarySpeciÞcations2ThisspeciÞcationshallbeusedbysuppliersand/orMIL-STD-883ÑTestMethodsandProceduresforusersofsemiconductor(active)devices,andiseffec-Microelectronicstivefora

2、llleadÞnishesused.MIL-STD-105ÑSamplingProcedureswithTablesforInspectionbyAttributes2Purpose3.5SEMISpeciÞcationsThisspeciÞcationestablishesuniformmethodsandproceduresforconductingtestsonleadÞnishesonSEMIG4ÑIntegratedCircuitLeadframeMaterials(activedevice)electronicpackages.OtherSEMIst

3、an-UsedintheProductionofStampedLeadframesdardsestablishmaterialsusedandtheÞnishesforSEMIG18ÑIntegratedCircuitLeadframeMaterialsthem.UsedintheProductionofEtchedLeadframes3ApplicableDocumentsSEMIG20ÑLeadFinishesforPlasticPackages(ActiveDevicesOnly)3.1OrderofPrecedenceÑIntheeventofaconf

4、lictbetweenthetextofthisspecificationandtherefer-4SelectedDeÞnitionsencescitedherein,thetextofthisspecificationshalltakeprecedence.activedevicesÑSemiconductordeviceswithactivefunction(e.g.,IC,transistor,diode)asopposedtopas-3.2ReferencedDocumentsÑUnlessotherwisespec-sivedevices(e.g.,

5、inductors,capacitors).ified,thefollowingstandardsandspecifications,withappropriateissueletterattimeoforderentry,formaairatmosphereÑAirheatedtospeciÞedtemperaturepartofthisspecificationtotheextentandforthepur-which,whencooledtoambient,willnormalizetooneposespecifiedherein.(1)standarda

6、tmosphere.3.3ASTMSpeciÞcations1steamatmosphereÑAtmosphereinaclosedvesselcontainingwater,withventingsufÞcienttomaintainE10ÑStandardTestMethodforBrinellHardnessfortemperatureatone(1)standardatmosphereandMetallicMaterials100¡+0,-5¡C.E122ÑChoiceofSampleSizetoEstimatetheAver-NOTE:Theinten

7、tofthisrequirementistoreplaceairageQualityofaLotorProcesswithsteam.E384ÑStandardTestMethodsforMicro-HardnessofMaterials5SamplingB487ÑMeasuringMetalandOxideCoatingThick-UnlessotherwisespeciÞed,PracticeE122shallbenessbyMicroscopicalExaminationofaCrossSectionused.WhensospeciÞed,appropri

8、atesamplesiz