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A New Method to Determine Crack Shape and Size in Solder Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a method based on image analysis is introduced to produce a 3-dimensional picture of a solder joint. This 3-D image gives a detailed view of the solder contour and the fatigue ...
A Finite-Element and Experimental Analysis of Stress Distribution in Various Shear Tests for Solder Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Solder alloys are commonly tested with shear tests to study their mechanical properties or low-cycle fatigue performance. In this work, the suitability of various shear tests for quantitative ...
Fatigue of Chip Scale Package Interconnects Due to Cyclic Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the effect of quasi-static bending loads (strain rate=0.05/s) on the durability of 0.5 mm pitch Chip Scale Package (CSP) interconnects when assembled on FR4 substrates. ...
Thermomechanical Durability Analysis of Flip Chip Solder Interconnects: Part 2—With Underfill
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of underfill material on reliability of flip chip on board (FCOB) assemblies is investigated in this study by using two-dimensional and three-dimensional finite element simulations ...