EIAJ ED-4702A 2003 Mechanical strength testing methods

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1、EIAJED-4702ACONTENTS1.Scope…………………………………………………………………………………………………………12.DefinitionofTerms……………………………………………………………………………………………13.NormativeReferences………………………………………………………………………………………34.Classification…………………………………………………………………………………………………35.GeneralConsideration………………………………………………………………………………………5

2、6.TESTMETHODS……………………………………………………………………………………………23TESTMETHODS001Temperaturecyclingtestaftermounting……………………………………23TESTMETHODS002Strengthtestsforsolderingjoint………………………………………………41TESTMETHODS003Bendingtestforsurfacemountdevicesontheboard……………………57TESTMETHODS004Reiterativebendingtestforsur

3、facemountdevicesontheboards……………………………………67TESTMETHODS005Droptestaftermounting………………………………………………………77Comments…………………………………………………………………………………………………………85EIAJED-4702AStandardofJapanElectronicsandInformationTechnologyIndustriesAssociationMechanicalstresstestmethodsforsemiconductorsurfacemoun

4、tingdevices1.ScopeThisstandardspecifiestheevaluationmethodofthemountboardofCSP/BGApackages,regardingthemechanicalstressesreceived,andalsoregardingthedurabilitytothermalstress,duringorafterthemountprocessofdiscretesemiconductordevicesandofintegratedcircuits(thebothdevices/circuitsarerefer

5、redtosemiconductordevicesinthisstandard)usedmainlyforindustrialandconsumeruseequipment.Note1.Thetestmethodspecifiedinthisstandardisanintegratedonebyincludingmountingmethods,kkNote1.mountingconditions,printedcircuitboards,solderingmaterials,andsooninthescopeofthetest.kkNote1.Itdosenotspec

6、ifytheevaluationmethodofanindividualsemiconductordevice.Note2.Mountingconditions,printedwiringboards,solderingmaterials,andsoonaffectsignificantlythekkNote1.resultofthetestspecifiedinthisstandard.Therefore,thetestspecifiedinthisstandardshallnotkkNote1.beregardedastheonetobeusedtoguarante

7、ethemountingreliabilityofsemiconductordevices.Note3.Thetestmethodisnotapplicablenornecessaryiftherearenostresses(mechanicalandotherkkNote1.stress)receiving,whicharesubjectineachtestinthisstandard.2.DefinitionofTermsThetermsanddifinitionbelow,aswellasthosedescribedinEIAJED