| 申请日期 | 2025-06-28 | 申请号 | US11222785 |
| 公开（公告）号 | US7510790B2 | 公开（公告）日 | 2009-03-31 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Mikio Kishimoto; Yuji Sasaki; Yumiko Kitahata legal representative; Hideaki Watanabe | ||
| 简介 | A magnetic powder consisting of substantially spherical or ellipsoidal particles comprising a transition metal which comprises iron and a rear earth element which is mainly present in the outer layer of the magnetic powder particles, and having a particle size of 5 to 200 nm, a coercive force of 80 to 400 kA/m and a saturation magnetization of 10 to 25 μWb/g. | ||
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