Optimum Gullwing Fillet Solder Joint Under Thermomechanical Forces

[+] Author and Article Information
L. L. Meekisho

Portland State University, Portland, OR 97207

K. Nelson-Owusu

Washington County, LUT, 155 N First Ave MS 350-12, Hillsboro, OR 97124

J. Electron. Packag 126(1), 52-56 (Apr 30, 2004) (5 pages) doi:10.1115/1.1646429 History: Received June 01, 2003; Online April 30, 2004
Copyright © 2004 by ASME
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Cross section of gullwing leadframe solder joint geometry (a) arbitrary solder shape (b) an enlarged solder fillet described by the governing equation
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Von Mises stress contours
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Peeling (bond) shear stress contours




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