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Ensuring reliability of interfaces of dissimilar materials is one of the most critical design aspects of electronic assemblies. A study on the interface delamination phenomenon of different power packages was undertaken. Thermally induced stresses caused by the thermal mismatch between molding compound (MC), Si-die, and Cu- heatsink act as combined shear and normal loadings on the respective interfaces...
Design for thermo-mechanical reliability of electronics components on the basis of parameterized Finite Element Models and DoE/RSM-approaches (Design of Experiments/Response Surface Methods) are more and more performed for optimizations at early phases of the product development process. This is especially the case for electronic components in the fields of RF (Radio Frequency), optoelectronics, high...
A study of the performance of different Sn based solder alloys applied for large to small sized solder interconnects was undertaken. From the theoretical and experimental investigations on creep, fatigue and brittle fracture behaviors the paper focuses on the low cycle fatigue performance in test and field thermal environments. Special focus was put on a newly developed highly creep resistant solder...
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