| 发明名称 |
Ferromagnetic metal powder and magnetic recording medium using the same |
| 摘要 |
A ferromagnetic metal powder comprises: a metal portion comprising Fe; and an oxide layer around the metal portion, wherein the oxide layer comprises an iron oxide having magnetism such that the saturation magnetization is from 50 to 95 A.m2/kg.
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| 申请公布号 |
US6607807(B2) |
申请公布日期 |
2003.08.19 |
| 申请号 |
US20000737569 |
申请日期 |
2000.12.18 |
| 申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
ZINBO NOBORU;MIURA TOSHIHIKO |
| 分类号 |
B22F9/22;B22F1/00;C22C33/02;G11B5/706;G11B5/712;G11B5/738;H01F1/06;H01F1/09;(IPC1-7):G11B5/706 |
主分类号 |
B22F9/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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