申请日期 | 2025-06-25 | 申请号 | EP06253129 |
公开(公告)号 | EP1739196A1 | 公开(公告)日 | 2007-01-03 |
公开国别 | EP | 申请人省市代码 | 全国 |
申请人 | SHINETSU CHEMICAL CO | ||
简介 | By using a rare earth metal having a minimal content of impurity metal element, machining it into a member and cleaning with an organic acid-base capping agent, there is obtained a rare earth metal member composed entirely of a rare earth metal and containing not more than 100 ppm of impurity metal element in a sub-surface zone, which member is characterized by a high surface purity, a large grain size, minimized grain boundaries, and improved halogen resistance or corrosion resistance. |
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