| 申请日期 | 2025-11-26 | 申请号 | EP12158694 |
| 公开（公告）号 | EP2500915B1 | 公开（公告）日 | 2014-05-14 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | TDK Corporation | ||
| 简介 | The invention provides an R-T-B rare earth sintered magnet 100 including R 2 T 14 B-containing crystal grains as the main phase 10, and having an R L -T-M 1 based compound 12 at the grain boundary triple points, wherein R represents a rare earth element, T represents at least one element selected from among Fe, Co and Cu, B represents boron, R L represents a light rare earth element, and M 1 represents at least one element selected from among Al, Zn and Ga. | ||
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