Designation:F487−13StandardSpecificationforFineAluminum–1%SiliconWireforSemiconductorLead-Bonding1ThisstandardisissuedunderthefixeddesignationF487;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversaluminum–1%siliconalloywireforinternalconnectionsinsemiconductordevicesandislimitedtowireofdiameteruptoandincluding76µm(0.003in.).Fordiameterslargerthan76µm(0.003in.),thespecifi-cationsaretobeagreeduponbetweenthepurchaserandthesupplier.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard,regardlessofwhethertheyappearfirstorsecondinatable.Valuesgiveninparenthesesareforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2F16TestMethodsforMeasuringDiameterorThicknessofWireandRibbonforElectronicDevicesandLampsF219TestMethodsofTestingFineRoundandFlatWireforElectronDevicesandLamps2.2MilitaryStandard:3MIL-STD-105SamplingProceduresandTablesforInspec-tionbyAttributes3.OrderingInformation3.1Ordersformaterialunderthisspecificationshallincludethefollowinginformation:3.1.1Quantity,3.1.2Size(seeSection5),3.1.3Breakingloadandelongation(seeSection4),3.1.4Packagingandmarking(seeSection11),and3.1.5Specialrequirements,suchasforcertificateofcom-pliance(seeSection10).4.PhysicalRequirements4.1Elongationandbreaking-loadrangesforthewireshallbespecifiedbythepurchaser.ThemaximumrangesofthesemechanicalpropertiesarelistedinTable1.4.2MechanicalpropertyrequirementsinrangessmallerthanthoselistedinTable1maybespecifieduponagreementbetweenthepurchaserandthesupplier.NOTE1—Thenatureofaluminum–1%siliconalloyissuchthatthemechanicalpropertiesofbothas-drawnandannealedwiresoverlapconsiderably.Itisalsopossibletoalterthepropertiesofhardwirebyvaryingthemanufacturingparametersandprocedures.Forthesereasons,nodistinctionismadebetweenthetwotypesofwireinthisspecification...
