Designation:F375−89(Reapproved2015)StandardSpecificationforIntegratedCircuitLeadFrameMaterial1ThisstandardisissuedunderthefixeddesignationF375;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthespecialrequirementsformetalstriptobeusedtofabricateintegrated-circuitleadframesbystampingorphotochemicalmilling.1.2Themetalsthatareapplicabletothesepartsincludecopperandcopperalloys,ferrousalloysusuallycontainingnickelorcobaltorchromium,nickelandnickelalloys,andothermetallicmaterials.1.3Thegeneralchemical,physical,andmechanicalprop-ertyrequirementsofthesematerialsarecoveredbyotherASTMspecifications(specificallySpecificationsB103/B103M,B122/B122M,B152/B152M,B162,B465,F15,F30,F31,F49andF68),andtheseshouldbeconsultedforproper-tiesandtempersthataredifferentforthedifferentmetals.FormetalsforwhichnoASTMspecificationisavailable,otherspecificationsshouldbeadoptedbyagreementofthepartiesconcerned.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2B103/B103MSpecificationforPhosphorBronzePlate,Sheet,Strip,andRolledBarB122/B122MSpecificationforCopper-Nickel-TinAlloy,Copper-Nickel-ZincAlloy(NickelSilver),andCopper-NickelAlloyPlate,Sheet,Strip,andRolledBarB152/B152MSpecificationforCopperSheet,Strip,Plate,andRolledBarB162SpecificationforNickelPlate,Sheet,andStripB465SpecificationforCopper-IronAlloyPlate,Sheet,Strip,andRolledBarE112TestMethodsforDeterminingAverageGrainSizeF15SpecificationforIron-Nickel-CobaltSealingAlloyF30SpecificationforIron-NickelSealingAlloysF31SpecificationforNickel-Chromium-IronSealingAlloysF49SpecificationforMolybdenumStripforElectronTubes(Withdrawn1978)3F68S...
