| 申请日期 | 2025-06-25 | 申请号 | US13807228 |
| 公开（公告）号 | US20130099150A1 | 公开（公告）日 | 2013-04-25 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Kenichiro Nakajima; Takashi Yamazaki | ||
| 简介 | An R-T-B-based rare earth permanent magnet including a sintered body which is provided with a main phase mainly containing R2Fe14B, and with a grain boundary phase which has a greater R content than said main phase, wherein R denotes a rare earth element including Nd and Dy as an essential element, and the grain boundary phase includes a first grain boundary phase and a second grain boundary phase which have different atomic concentration of Dy to each other. | ||
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