发明名称 |
Contact piece made of tungsten provided with a corrosion-resistant layer made of a base metal |
摘要 |
A contact piece is formed by a tungsten overlay soldered onto a support, wherein at least portions of the solder layer and optionally of the support are covered by a layer of a less noble metal than tungsten. The corrosion resistance of the tungsten overlay is considerably improved.
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申请公布号 |
US7339127(B2) |
申请公布日期 |
2008.03.04 |
申请号 |
US20040554175 |
申请日期 |
2004.04.19 |
申请人 |
LOUIS RENNER GMBH;FER FAHRZEUGELEKTRIK GMBH |
发明人 |
RENNER GERHARD;SIEFKEN UDO;MUELLER MARTIN |
分类号 |
H01H1/021;H01H1/02 |
主分类号 |
H01H1/021 |
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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