G - Physics – 01 – R
Patent
G - Physics
01
R
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G01R 19/15 (2006.01) G01R 19/00 (2006.01) G01R 19/08 (2006.01)
Patent
CA 1124324
ABSTRACT OF THE DISCLOSURE A method for determining the paths of current flow in an irregularly shaped conductor. A metal is plated onto a substrate in the desired geometric pattern. The metal is then brought to within about 4 percent of its melting point and a current is put through it. After an amount of time that depends upon the temperature and current utilized, there will have been a mass migration in the metal resulting in a corrugated surface having ridges and valleys that are parallel to the current flow. The ridges and valleys may be observed optically or by scanning electron microscope. PO9-79-009
345148
Cammarano Armando S.
Digiacomo Giulio
Drofitz Stephen S. Jr.
International Business Machines Corporation
Na
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