| 申请日期 | 2025-07-26 | 申请号 | US15443748 |
| 公开（公告）号 | US20170250014A1 | 公开（公告）日 | 2017-08-31 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | TDK CORPORATION | ||
| 简介 | A rare earth permanent magnet includes a main phase composed of a main phase particle and a grain boundary present among a plurality of the main phase particles. The grain boundary includes a region whose electric resistance is higher than that of the main phase. | ||
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