Method and apparatus for adjusting sectional area ratio of metal

Electrolysis: processes – compositions used therein – and methods – Electrolytic erosion of a workpiece for shape or surface... – With control responsive to sensed condition

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204207, 204211, 204224M, 204224R, 204228, 204225, 205645, 205660, 205674, 205681, 205682, 205685, 205710, 205717, 205721, 205723, C25F 316, C25F 700, C25F 100

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055079245

ABSTRACT:
Disclosed herein are 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.

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Week 8235, London, GB; AN 82-74156 & SU-A-876 808 (Khark Pedagogy Inst) (Derwent Publications Ltd., Nov. 2, 1981).
C. K. Lim, "Increasing the Endurance Limit of Fine Wires", IBM Technical Disclosure Bulletin, 18(2):351 (Julliet 1975).

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