| 申请日期 | 2025-06-30 | 申请号 | WOJP05011241 |
| 公开（公告）号 | WO2005123974A1 | 公开（公告）日 | 2005-12-29 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | Shin Etsu Chemical Co Ltd | ||
| 简介 | Disclosed is an R-Fe-B-based rare earth permanent magnet material which is characterized by being composed of, in mass percent, 25-45 wt% of R (R is one ore more of Nd, Pr, Dy Tb and Ho), 0.1-4.5 wt% of Co, 0.8-1.4 wt% of B, 0.05-3.0 wt% of Al, 0.02-0.5 wt% of Cu, 0.03-0.5 wt% of M (M is one or more of Zr, Hf, Ti, Cr, Nb, Mo, Si, Sn, Zn, V, W and Cr), 0.01-0.5 wt% of C, 0.05-3.0 wt% of O, 0.002-0.1 wt% of N, 0.001-2.0 wt% of F and the balance of Fe and unavoidable impurities. | ||
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