Journal
IEEE TRANSACTIONS ON DEVICE AND MATERIALS RELIABILITY
Volume 13, Issue 1, Pages 9-17Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TDMR.2012.2235836
Keywords
Physics-of-failure model; power electronic module; reliability; wire bond
Funding
- EPSRC [DT/E005195/1, EP/F063350/1, EP/D068525/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [DT/E005195/1, EP/F063350/1, EP/D068525/1] Funding Source: researchfish
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This paper presents a review of the commonly adopted physics-of-failure-based life prediction models for wire bond interconnects in power electronic modules. In the discussed models, lifetime is generally accounted for by loading temperature extremes alone. The influence of the time spent at temperature on bond wear-out behavior and damage removal phenomena resulting from thermally activated processes is not addressed. The phenomenological considerations based on some unusual observations highlight the need for new approaches to wire bond life prediction models and thus motivate the proposal of a new time-domain damage-based crack propagation model.
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