| 申请日期 | 2025-09-10 | 申请号 | US12207312 |
| 公开（公告）号 | US20090081071A1 | 公开（公告）日 | 2009-03-26 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Hiroshi YAMAMOTO; Tetsurou Tayu; Masashi Ohmura; Keizou Otani; Takao Yabumi; Hayato Hashino | ||
| 简介 | A rare earth permanent magnet alloy with a high coercive force is disclosed. The rare earth permanent magnet alloy comprises : a rare earth-iron-boron type magnetic phase (R2Fe14B type magnetic phase) constituting a parent phase; and a defect structure. The parent phase contains the defect structure. Displacement of magnetic domain wall of the R2Fe14B type magnetic phase is prevented by the defect structure, thereby improving coercive force. | ||
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