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
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