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Shear test has become an established method to assess quality and reliability of solder bump assembly techniques, also for reduced bump size. Several authors have found that median bump shear strength does not scale with the area of the shear surface, but only with its square root. This work shows that bump shear test does not progress along the theory developed for bolt shear, but follows a cutting...
This paper is dealing with the influence of the electronic board attachment on its mechanical properties during the vibration load. Different number of screws and their position is investigated through the simulation in Ansys Workbench program. Setup is also verified by the measurement on the vibration table, where the sinus sweep from 10Hz to 2kHz with the 0,3g amplitude will be used. Moreover, virtual...
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