| 申请日期 | 2025-06-29 | 申请号 | JP2007201444 |
| 公开（公告）号 | JP4564993B2 | 公开（公告）日 | 2010-10-20 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Hitachi Ltd5108 | ||
| 简介 | A structure of a magnet wherein a magnet consisting of a magnetic body including iron and rare earths, a plurality of fluorine compound layers or oxyfluorine compound layers are formed interior of the magnetic body, and the fluorine compound layer or oxyfluorine compound layer has a major axis which is greater than the mean particle size of the crystal grains of the magnetic body. | ||
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