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This paper has proposed a method to guarantee high reliability and long-life guarantee aerospace components. According to the different system reliability index, based on the system engineering theory, the different components reliability index is obtained through the reliability distribution, and a reasonable index system is established. According to different indicators, the sampling plan and test...
Recently thermal cycling tests for train electronic assemblies have been widely applied to eliminating latent defects and improving the reliability of the electronics. Considering the cost and schedule, accelerate thermal cycling (ATC) tests are conducted instead of normal tests. In this paper, the design methodology of ATC tests for electronic assemblies is studied. Moreover, the procedure of test...
During the process of destructive physical analysis (DPA), a large amount of photos of external visual inspection, internal circuit destruction, X-ray inspection and logos of microcircuits will be acquired. The photos of qualified devices can be used as background information in the PHM monitoring of electronic products. Knowledge base of electronic products expert system consists of the failure mode,...
Thermal cyclic test is very important for astronautic electronic products to stimulate potentially critical failures and eliminate latent defects. The design of the thermal cyclic test should take the safety of test into account to avoid over-test risks. Over-test risks can cause serious consequences, such as unnecessary life cycle consumption and products failure. A method presented in this paper...
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