Mechanical Evaluation of the “Euler” Test Probe

[+] Author and Article Information
E. Suhir, W. E. Benedetto

AT&T Bell Laboratories, Murray Hill, NJ 07974

J. Electron. Packag 112(1), 75-77 (Mar 01, 1990) (3 pages) doi:10.1115/1.2904344 History: Received December 27, 1989; Online April 28, 2008


The study contains a theoretical and experimental evaluation of the mechanical behavior of wires in a flexible (“Euler”) test probe, including buckling, axial and lateral deflections and stresses. The developed formulas are simple, easy-to-use and clearly indicate the role of the major factors affecting the wire performance. Calculations, executed for an Everett-Charles 32 point probe, are in good agreement with the measured data. Some recommendations for smaller stresses in the wires are presented. The obtained results could be of help in the analysis and physical design of “Euler” test probes.

Copyright © 1990 by The American Society of Mechanical Engineers
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