Work material of silver with tin and tungsten oxides for electri

Details Work material of silver with tin and tungsten oxides for electri Work material of silver with tin and tungsten oxides for electri

1980-08-04

1982-05-18

Rutledge, L. Dewayne

Metal treatment

Stock

Noble metal base

75234, 200266, C22C 506

Patent

active

043303307

ABSTRACT:
There are needed materials based on Ag/SnO.sub.2 to replace the known Ag/CdO materials for electrical contact on switches, which replacement materials contain an additional metal oxide component, without having to take into account an undesired temperature increase in the switching device. This is attained according to the invention with a material that contains 8-20 weight % tin oxide SnO.sub.2, 0.05-5 weight % tungsten oxide, balance silver.

REFERENCES:
patent: 2486341 (1949-10-01), Stumbock
patent: 3933486 (1976-01-01), Shibata

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