Electrical contact material
AssigneeTexas Instruments Incorporated
InventorsTeuvo J. Santala, Hans G. Hirsbrunner
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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.
Claims5
An electrical contact material comprising from 85 to 87.5 percent silver, by weight and from 0.01 to 0.10 percent cobalt oxide, by weight, and from 10.73 to 12.82 percent cadmium oxide, from 1.6 to 2.0 percent zinc oxide and from 0.15 to 1.0 percent lead oxide by weight, internally oxidized in situ in the contact material in an oxygen enriched atmosphere.
Dependencies are inferred from the claim text.