| 申请日期 | 2025-07-09 | 申请号 | US14584602 |
| 公开（公告）号 | US20150187472A1 | 公开（公告）日 | 2015-07-02 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | FUJIFILM CORPORATION | ||
| 简介 | An aspect of the present invention relates to magnetic powder, which is magnetoplumbite hexagonal strontium ferrite magnetic powder comprising 0.05 atomic percent to 3 atomic percent of Ca per 100 atomic percent of Fe, but comprising no rare earth elements or transition metal elements other than Fe, the average particle size of which ranges from 10 nm to 25 nm, and which is magnetic powder for magnetic recording. | ||
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