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The resonance frequencies and mode shapes of aPCB are highly depended on form factor and stack-up. Moreover, the interaction with components mounted to the PCB cannot a priori be neglected. In the search for key parameters that might impact the outcome of a board level vibration test, it is important to asses the impact of these factors on the principal PCB vibrational characteristics. The resonance...
In this paper, the factors affecting the stability of the board level vibration testing are investigated by means of experimental testing combined with simulations. Environmental conditions and test parameters may affect the dynamic response of the PCB and thus the stress on the product. As the goal of the test is to predict solder joint reliability, the translation from test of surface mounted products...
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