FBGA Die Crack Issue Analysis
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Die crack issue was found for the electrical failure packages. Failure analysis was performed to characterize the crack line pattern and crack origin. Pick-place and testing operations were examined through FEA modeling. By studying the first principle stress distribution and its vector plot, the critical and possible situations were found.
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High Density packaging and Microsystem Integration, 2007. HDP '07. International Symposium on
Date of Conference: 26-28 June 2007