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The purpose of this paper is to compare the ability of solder joint with different shape (hourglass-shaped, barrel-shaped and cylinder-shaped) to resist destruction under drop impact loadings. Three 3D finite element models of VFBGA (very-thin-profile fine-pitch BGA) packages, including different shape of solder joints, are established respectively. According to the condition B in the drop test standard...
In this study both finite element modeling and experimental techniques are employed to study the reliability of electronics components under random vibration loading conditions. A fatigue life estimation procedure, that would help analyst to make relatively accurate prediction of induced fatigue life, Finite Element model of the test vehicle is built using ANSYS software. The model is first validated...
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