| 申请日期 | 2025-07-22 | 申请号 | US15380079 |
| 公开（公告）号 | US10325704B2 | 公开（公告）日 | 2019-06-18 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | TOYOTA JIDOSHA KABUSHIKI KAISHA | ||
| 简介 | A rare earth magnet having a main phase and a sub-phase, wherein the main phase has a ThMn12-type crystal structure; the sub-phase contains at least any one of an Sm5Fe17-based phase, an SmCo5-based phase, an Sm2O3-based phase, and an Sm7Cu3-based phase; assuming that the volume of the rare earth magnet is 100%, the volume fraction of the sub-phase is from 2.3 to 9.5% and the volume fraction of an α-Fe phase is 9.0% or less; and the density of the rare earth magnet is 7.0 g/cm3 or more. | ||
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