| 申请日期 | 2025-06-29 | 申请号 | JP08294049 |
| 公开（公告）号 | JP3647995B2 | 公开（公告）日 | 2005-05-18 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Santoku Corporation176660 | ||
| 简介 | There is provided a powder for permanent magnet comprising needle-like fine particles of Fe or Fe-Co alloy as a base material, a hard magnetic layer containing Fe, Sm and N provided on the surface of said needle-like fine particles, and a separation layer of an oxide of rare earth element provided outside said hard magnetic layer. | ||
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