| 申请日期 | 2025-06-28 | 申请号 | US15928378 |
| 公开（公告）号 | US20180277288A1 | 公开（公告）日 | 2018-09-27 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | TDK CORPORATION | ||
| 简介 | Provided is an R-T-B based rare earth magnet. R is one or more rare earth elements, T is one or more transition metal elements essentially including Fe or Fe and Co, and B is boron. B content with respect to a total R-T-B based rare earth magnet is 0.80 mass % or more and 0.98 mass % or less. The R-T-B based rare earth magnet includes an R1T4B4 phase. | ||
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