Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vaccum circuit breaker
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United States of America Patent
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Issued Date -
May 5, 2005
app pub date -
Aug 20, 2004
filing date -
Oct 31, 2003
priority date (Note) -
Abandoned
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Abstract
The present invention relates to an sintered electric contact containing Cr in an amount of 15 to 30% by weight and Cu being balance as main components, 0.05 to 0.5% by weight of Te, 100 to 3000 ppm of O, 7.5 to 900 ppm of Al, and 15 to 750 ppm of Si.
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