| 申请日期 | 2025-08-15 | 申请号 | DE69918915 |
| 公开（公告）号 | DE69918915T2 | 公开（公告）日 | 2005-07-28 |
| 公开国别 | DE | 申请人省市代码 | 全国 |
| 申请人 | NEOMAX CO LTD | ||
| 简介 | Producing a permanent magnet comprises placing the Fe-B-rare earth based magnet and metal pieces into a treating vessel for vibration and/or agitation. A metal film is formed on the magnet surface, with a sol solution applied to the metal film surface. The sol is produced by hydrolytic reaction, polymerizing metal compound and heat treating the resultant metal oxide film. | ||
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