| 申请日期 | 2025-08-18 | 申请号 | US14638819 |
| 公开（公告）号 | US20150255198A1 | 公开（公告）日 | 2015-09-10 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | TDK CORPORATION | ||
| 简介 | A sintered ferrite magnet comprises a main phase of an M type Sr ferrite having a hexagonal crystal structure. An amount of Zn is 0.05 to 1.35 mass % in terms of ZnO and M1/M2 is 0.43 or less when an amount of a rare-earth element (R) is M1 in terms of mol and the amount of Zn is M2 in terms of mol. | ||
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