Yu-Ting Lin, B. Lai, C. Tsao, Yi-Sheng Lin, Yu-Hsiang Hsiao
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引用次数: 0
Abstract
In this study we demonstrate the use of phase shift of lock-in thermography (LIT) a powerful technique in characterizing the Z profile of 2.5D packages. It is interesting to have a good understanding of how a given package structure correlates with LIT phase shift. We create a short defect to validate the experimental phase model and the approach would be useful in applying to other type of 2.5D lCs.
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