发明名称 |
Method of manufacturng a gold alloy |
摘要 |
The invention relates to a gold alloy containing 99 wt. %, preferably 99.9 wt. % gold, and 1 to 1000 ppm, preferably 10 to 100 ppm calcium, and 1 to 1000 ppm, preferably 10 to 100 ppm ytterbium or europium or a mixture of ytterbium and europium, as well as a method for producing a homogeneous gold alloy containing europium and/or ytterbium. |
申请公布号 |
EP1987169(B8) |
申请公布日期 |
2012.03.14 |
申请号 |
EP20070711524 |
申请日期 |
2007.02.13 |
申请人 |
HERAEUS MATERIALS TECHNOLOGY GMBH & CO. KG |
发明人 |
BISCHOFF, ALBRECHT;SCHRAEPLER, LUTZ;ZINGG, HOLGER |
分类号 |
C22C5/02;C22C1/02;H01L23/49 |
主分类号 |
C22C5/02 |
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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