{"title":"Impact of underfill filler particles on reliability of flip chip interconnects","authors":"K. Darbha, J. Okura, A. Dasgupta","doi":"10.1109/PEP.1997.656501","DOIUrl":null,"url":null,"abstract":"Parametric analytical studies are conducted to investigate whether the reliability of flip chip solder interconnects are affected by underfill inhomogeneities, such as settling of the filler particles. The property gradation caused by filler settling is modelled with a micromechanical formulation. The predicted property gradients are then utilized in a finite element simulation of the flip chip assembly, to assess the impact on solder interconnect reliability.","PeriodicalId":340973,"journal":{"name":"Proceedings. The First IEEE International Symposium on Polymeric Electronics Packaging, PEP '97 (Cat. No.97TH8268)","volume":"143 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"34","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. The First IEEE International Symposium on Polymeric Electronics Packaging, PEP '97 (Cat. No.97TH8268)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEP.1997.656501","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 34
Abstract
Parametric analytical studies are conducted to investigate whether the reliability of flip chip solder interconnects are affected by underfill inhomogeneities, such as settling of the filler particles. The property gradation caused by filler settling is modelled with a micromechanical formulation. The predicted property gradients are then utilized in a finite element simulation of the flip chip assembly, to assess the impact on solder interconnect reliability.
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