| 申请日期 | 2025-06-26 | 申请号 | JP2016513669 |
| 公开（公告）号 | JPWO2015159612A1 | 公开（公告）日 | 2017-04-13 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | TDK株式会社 | ||
| 简介 | To provide a permanent magnet which uses Ce of an abundant resource and has a great magnetic anisotropy in rare earth permanent magnets. To obtain a permanent magnet having a high magnetic anisotropy due to the trivalent Ce state by setting the abundance ratio C3/(C3+C4) in the main phase grains to be 0.1≤C3/(C3+C4)≤0.5 where C3 denotes the number of trivalent Ce atoms and C4 denotes the number of tetravalent Ce atoms. | ||
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