| 申请日期 | 2025-02-22 | 申请号 | US15797841 |
| 公开（公告）号 | US20180047488A1 | 公开（公告）日 | 2018-02-15 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | IHI CORPORATION | ||
| 简介 | A rare earth permanent magnet comprising a main phase containing : one or more elements R selected from a group consisting of Nd and Pr; one or more elements L selected from a group consisting of Co, Be, Li, Al and Si; one or more elements A selected from a group consisting of Tb, Sm, Gd, Ho and Er; Fe; and B, wherein crystals forming the main phase belong to P42/mnm, and some B atoms occupying a 4f site are substituted by atoms of the elements L. | ||
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