发明名称 |
Contact material for vacuum circuit breaker |
摘要 |
A contact material for a vacuum circuit breaker of excellent current breaking property and voltage withstand capability can be made from an alloy composed of copper and boride of tantalum, or an alloy composed of copper, boride of tantalum and titanium, or an alloy composed of copper, chromium, and boride of tantalum.
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申请公布号 |
US4784829(A) |
申请公布日期 |
1988.11.15 |
申请号 |
US19860857190 |
申请日期 |
1986.04.29 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
OKUMURA, MITSUHIRO;NAYA, EIZO |
分类号 |
H01H1/02;(IPC1-7):C22C9/00;C22C27/06 |
主分类号 |
H01H1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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