Method and apparatus for adjusting sectional area ratio of metal

Details Method and apparatus for adjusting sectional area ratio of metal Method and apparatus for adjusting sectional area ratio of metal

1996-01-22

1997-02-11

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324699, 324701, 324704, 204206, G01R 2714

Patent

active

056024886

ABSTRACT:
Methods of measuring, adjusting and uniformalizing a sectional area ratio of a metal-covered electric wire, a method of cleaning an electric wire, a method of manufacturing a metal-covered electric wire, an apparatus for measuring a sectional area ratio of a metal-covered electric wire, and an apparatus for electropolishing a metal-covered electric wire.
Electric resistance values of first and second materials are previously stored respectively so that a sectional area ratio of a metal-covered electric wire is calculated on the basis of the as-stored values and an actually measured electric resistance value of the metal-covered electric wire. Measurement and uniformalization of a sectional area ratio of a metal-covered electric wire and cleaning of an electric wire are carried out by dissolving surface layer parts of the electric wires by electropolishing.

REFERENCES:
patent: 2008046 (1935-07-01), Snelling
patent: 2854626 (1958-09-01), Davidson
patent: 3735254 (1973-05-01), Severin
patent: 3936738 (1976-02-01), Maltby
patent: 4667149 (1987-05-01), Cohen

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