Metal treatment – Compositions – Heat treating
Patent
1980-01-28
1982-05-18
Lewis, Michael L.
Metal treatment
Compositions
Heat treating
72 46, 72700, 148 631, 174126S, 174128S, 428389, 428614, 428628, 428639, 428661, 428662, 428674, 428930, B32B 3300
Patent
active
043303471
ABSTRACT:
This invention relates to a resistive or semiconducting coating for use on current conductors in cryogenic applications. This includes copper-clad superconductor wire, copper wire used for stabilizing superconductor magnets, and for hyperconductors. The coating is a film of cuprous sulfide (Cu.sub.2 S) that has been found not to degrade the properties of the conductors. It is very adherent to the respective conductors and satisfies the mechanical, thermal and electrical requirements of coatings for the conductors.
REFERENCES:
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patent: 1895685 (1933-01-01), Ruben
patent: 3203836 (1965-08-01), Gaynon et al.
patent: 3428925 (1969-02-01), Bogner et al.
patent: 3910802 (1975-10-01), Wong
patent: 3954572 (1976-05-01), Ziegler et al.
patent: 3958327 (1976-05-01), Marancik et al.
patent: 4003762 (1977-01-01), Ceresara et al.
Chi, K.C., et al., "Renctively Evaporated Films of Copper Molybdenum Sulfide", Thin Film Solids, vol 54, pp. 259-261 (1978).
Chi, K.C. et al., "Evaporated Films of Superconducting CuMo Sulphide, Thin Film Solids, vol. 47, pp. L9-L13 (1977).
Hirayama Chikara
Wagner George R.
Besha Richard G.
Denny James E.
Hamel Stephen D.
Lewis Michael L.
The United States of America as represented by the United States
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