A characterization study is undertaken to monitor damage progression at the second-level interconnect in BGA’s on flip-chip electronic packages. Specifically, the progression of solder joint cracking under use conditions (thermal and combined thermomechanical loading) is investigated. The study uses a multi-color dye and peel failure analysis technique to track the initiation and propagation of solder joint cracks under loading. The approach being used differs from conventional failure analysis techniques in that multiple measurements of damage growth are obtained from the same part providing a full damage history. By using multiple dye colors, all crack initiation points, directions of propagation, and surface crack areas are obtainable experimentally. The scope of the study includes investigating the impact of such factors as die size, package size, BGA size, BGA pitch, enabling load, and internal heat spreaders (IHS’s) on the damage history observed. Based on this study, investigation of sequential loading can be pursued to identify directions and design guidelines for improving solder joint reliability of future BGA’s on flip-chip electronic packages.
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ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference
July 17–22, 2005
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division and Electronic and Photonic Packaging Division
ISBN:
0-7918-4200-2
PROCEEDINGS PAPER
The Characterization of Damage Propagation in BGA’s on Flip-Chip Electronic Packages Available to Purchase
Kayleen L. E. Helms,
Kayleen L. E. Helms
Intel Corporation, Chandler, AZ
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Betty Phillips
Betty Phillips
Intel Corporation, Chandler, AZ
Search for other works by this author on:
Kayleen L. E. Helms
Intel Corporation, Chandler, AZ
Betty Phillips
Intel Corporation, Chandler, AZ
Paper No:
IPACK2005-73429, pp. 1565-1573; 9 pages
Published Online:
March 4, 2009
Citation
Helms, KLE, & Phillips, B. "The Characterization of Damage Propagation in BGA’s on Flip-Chip Electronic Packages." Proceedings of the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference. Advances in Electronic Packaging, Parts A, B, and C. San Francisco, California, USA. July 17–22, 2005. pp. 1565-1573. ASME. https://doi.org/10.1115/IPACK2005-73429
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