Electrical contacts for electric breakers
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United States of America Patent
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Feb 7, 1989
Grant Date -
N/A
app pub date -
May 9, 1985
filing date -
May 19, 1984
priority date (Note) -
Expired
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Abstract
Electrical contacts especially for use with electric breakers, consisting of (1) a base made from a silver-tin system alloy containing In, and (2) a clad over the base made from a silver-cadmium system alloy, the alloys having been internally oxidized. The clad (2) stands by to initial tests provided for electric breakers, and the base (1) stands by to the tests thereafter. The base has no segregation of tin oxides on account of internal oxidation of the base screened by the clad (2).
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