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There is a continual growth of test and validation in high reliability product applications such as automotive, military and avionics. Principally this is driven by increased use and complexity of electronic systems installed in vehicles in addition to increased end user reliability expectations. Furthermore product development cycles continue to reduce, resulting in less available time to perform...
In this study, 0.5 wt.% CNTs-doped solder paste, that prepared by mechanical stirring, was used to detect the redistribution phenomenon of nanoparticles in the solder ball. Some of nanoparticles seriously separated out with the outward flow of solder flux, making related quantitative experiments loss their accuracy. Some of nanoparticles seriously gathered in the solder ball, having negative effects...
Power cycling is a widely used accelerated lifetime testing method to evaluate the reliability of power modules and discrete components. Based on the accelerated test results one can deduce the lifetime of these devices in normal operation conditions. Although, we have to be careful, because not only the initial parameters, but the control strategy used during the cycling tests may also affect the...
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