C. S. Liu, H. Pu, C. S. Chen, H. Tsai, C. Lee, M. Lii, Doug C. H. Yu
{"title":"CPI challenges in advanced Si technology nodes","authors":"C. S. Liu, H. Pu, C. S. Chen, H. Tsai, C. Lee, M. Lii, Doug C. H. Yu","doi":"10.1109/IITC.2013.6615559","DOIUrl":null,"url":null,"abstract":"The key chip-package-integration (CPI) challenges and solutions in the packaging and assembly of advanced Si technology nodes are reported. The key challenge of CPI due to the use of fragile extreme low-k (ELK) dielectric materials in the back-end-of-line (BEOL) layer has been resolved by optimizing bump structure and materials set including both the organic substrate and solder materials, along with process improvements for both Pb-free solder and Cu bump in flip chip packages.","PeriodicalId":6377,"journal":{"name":"2013 IEEE International Interconnect Technology Conference - IITC","volume":"21 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2013-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE International Interconnect Technology Conference - IITC","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IITC.2013.6615559","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The key chip-package-integration (CPI) challenges and solutions in the packaging and assembly of advanced Si technology nodes are reported. The key challenge of CPI due to the use of fragile extreme low-k (ELK) dielectric materials in the back-end-of-line (BEOL) layer has been resolved by optimizing bump structure and materials set including both the organic substrate and solder materials, along with process improvements for both Pb-free solder and Cu bump in flip chip packages.
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