预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

低银无铅微焊点力学行为及界面IMC演变 Title:MechanicalBehaviorofLowSilverLead-FreeMicroSolderJointsandEvolutionofInterfaceIntermetallicCompound Abstract: Thedemandforlead-freesolderinginmicroelectronicsandelectronicpackaginghasincreasedduetoenvironmentalconcernsassociatedwiththeuseoflead-basedsolders.Lowsilverlead-freesolderalloyshavegainedsignificantattentionaspotentialsubstitutesfortraditionaltin-leadsolders,primarilyduetotheirsuperiormechanicalandthermalproperties.Inthispaper,wereviewthemechanicalbehavioroflowsilverlead-freemicrosolderjointsanddiscusstheevolutionofInterfaceIntermetallicCompounds(IMCs)atthesolder-substrateinterfaceduringthesolderingprocess.Thegoalistounderstandthemechanicalpropertiesoflowsilverlead-freesolderjoints,aswellastheimpactofIMCformationonthereliabilityandperformanceofsolderedconnections. 1.Introduction -Backgroundonlead-freesolderinginmicroelectronics -Motivationforusinglowsilverlead-freesolderalloys 2.LowSilverLead-FreeSolderAlloys -Compositionandpropertiesoflowsilverlead-freesolderalloys -Comparisonwithtraditionaltin-leadsolderalloys 3.MechanicalBehaviorofLowSilverLead-FreeMicroSolderJoints -Microstructureofsolderjointsanditsinfluenceonmechanicalproperties -Tensilestrength,shearstrength,andfatiguebehavior -Effectofsoldervolumeandjointgeometryonmechanicalperformance 4.InterfaceIntermetallicCompound(IMC)Formation -MechanismsofIMCformationatthesolder-substrateinterface -FactorsinfluencingIMCgrowthandcomposition -EvolutionofIMClayerduringagingandthermalcycling 5.InfluenceofIMCEvolutiononSolderJointReliability -EffectofIMCthicknessandmorphologyonjointstrength -RoleofIMCindeterminingthermalandmechanicalfatigueresistance -InteractionbetweenIMCsandotherfailuremechanismsinsolderjoints 6.AdvancesandChallengesinLowSilverLead-FreeSoldering -Newsoldermaterialsandalloyformulations -ProcessoptimizationtechniquestocontrolIMCgrowth -Reliabilityassessmentmethodologiesforlead-freesolderjoints 7.Conclusion -Summaryofthemechanicalbehavioroflowsilverlead-freemicrosolderjoint