Determination of electric current flow patterns

Details Determination of electric current flow patterns Determination of electric current flow patterns

1979-04-03

1981-06-09

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 71R, G01R 1900

Patent

active

042727227

ABSTRACT:
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.

REFERENCES:
patent: 2673325 (1954-03-01), Orr

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