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PROCESS FOR PRODUCING A HARD GOLD ALLOY MEMBER 发明授权

2023-04-21 1660 227K 0

专利信息

申请日期 2025-09-08 申请号 EP00942452
公开(公告)号 EP1312687B1 公开(公告)日 2006-05-31
公开国别 EP 申请人省市代码 全国
申请人 OGASA KAZUO
简介 A hard precious metal alloy member is constituted of a gold alloy, which has a gold Au content of from 37.50 to 98.45 wt%, and contains a hardening additive in a range of not less than 50 ppm but less than 15, 000 ppm, wherein the hardening additive is constituted of gadolinium Gd only, or gadolinium Gd and at least one element selected from the group consisting of rare-earth elements other than Gd, alkaline-earth elements, silicon Si, aluminum Al, and boron B.


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