| 发明名称 |
HEXAGONAL FERRITE MAGNETIC POWDER AND METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME |
| 摘要 |
An aspect of the present invention relates to a hexagonal ferrite magnetic powder manufactured by a glass crystallization method as well as having an average plate diameter ranging from 15 to 25 nm, an average plate ratio ranging from 2.0 to 2.8 and a coercive force (Hc) ranging from 159 to 279 kA/m.
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| 申请公布号 |
US2010304187(A1) |
申请公布日期 |
2010.12.02 |
| 申请号 |
US20100791529 |
申请日期 |
2010.06.01 |
| 申请人 |
FUJIFILM CORPORATION;ASAHI GLASS COMPANY LIMITED |
发明人 |
MATSUBAGUCHI SATOSHI;MATSUMOTO AYAKO;TADA TOSHIO;MANABE AKIRA |
| 分类号 |
H01F1/06;G11B5/62;H01F1/01 |
主分类号 |
H01F1/06 |
| 代理机构 |
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