| 申请日期 | 2025-06-25 | 申请号 | US14513789 |
| 公开（公告）号 | US20150187494A1 | 公开（公告）日 | 2015-07-02 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Hyundai Motor Company | ||
| 简介 | Disclosed is a method of producing a rare earth permanent magnet, comprising : obtaining a NdFeB sintered magnet; applying a mixed powder including a Zn-containing metal and a metal compound containing Tb or Dy onto a surface of the sintered magnet; and heat-treating the sintered magnet having the mixed powder applied on its surface. | ||
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