| 申请日期 | 2025-06-24 | 申请号 | US15560795 |
| 公开（公告）号 | US20180114616A1 | 公开（公告）日 | 2018-04-26 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | TDK CORPORATION | ||
| 简介 | A rare earth magnet includes main phase grains having an R2T14B type crystal structure. The main phase grains include B. A concentration ratio A (A=αB/βB) of the main phase grains is 1.05 or more, where αB and βB are respectively a highest concentration of B and a lowest concentration of B in one main phase grain. | ||
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