Electrical contact material

Details Electrical contact material Electrical contact material

1977-05-31

1978-09-19

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Free metal containing

75234, 75173A, 200265, 200266, H01B 102

Patent

active

041153251

ABSTRACT:
An electrical contact material comprises from about 85 to 87.5 percent silver and from about 0.01 to 0.10 percent cobalt in the form of an oxide, by weight. The material also comprises from about 10.73 to 12.82 percent cadmium oxide, from about 1.6 to 2.0 percent zinc oxide, and from about 0.15 to 1.0 percent lead oxide, by weight, internally oxidized in situ in the contact material in an oxygen enriched atmosphere.

REFERENCES:
patent: 2200854 (1940-05-01), Ruben
patent: 3880777 (1975-04-01), Shibata
patent: 3954459 (1976-05-01), Schreiner et al.

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