{"title":"The effect of palladium addition to the 63Sn37Pb solder on the process of the CCGA package","authors":"Yingzhuo Huang, P. Lin, Yusheng Cao, Quanbin Yao","doi":"10.1109/ISAPM.2011.6105728","DOIUrl":null,"url":null,"abstract":"Ceramic Column Grid Array (CCGA) packages are becoming increasingly popular as an alternative to Ceramic Ball Grid Array (CBGA) packages for applications requiring very high-density interconnections with higher board-level reliability. CCGA packages use high-temperature solder columns instead of balls which create a greater standoff, providing a flexible interconnection with improved thermal fatigue life of the package solder joint. This paper introduced a technology featured a palladium addition to the 63Sn37Pb solder on the column-to-component pads which formed palladium-tin intermetallics that did not melt during initial the printed circuit board (PCB) assembly and added additional strength to the solder joint.","PeriodicalId":6440,"journal":{"name":"2011 International Symposium on Advanced Packaging Materials (APM)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 International Symposium on Advanced Packaging Materials (APM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAPM.2011.6105728","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Ceramic Column Grid Array (CCGA) packages are becoming increasingly popular as an alternative to Ceramic Ball Grid Array (CBGA) packages for applications requiring very high-density interconnections with higher board-level reliability. CCGA packages use high-temperature solder columns instead of balls which create a greater standoff, providing a flexible interconnection with improved thermal fatigue life of the package solder joint. This paper introduced a technology featured a palladium addition to the 63Sn37Pb solder on the column-to-component pads which formed palladium-tin intermetallics that did not melt during initial the printed circuit board (PCB) assembly and added additional strength to the solder joint.
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