| 发明名称 |
Magnetic powder for magnetic recording medium |
| 摘要 |
A magnetic powder for a magnetic recording medium which is a cobalt-adsorbed magnetic iron oxide having a coercive force of 1000 Oe or more and a ratio of a coercive force at -196 DEG C. to a coercive force at room temperature of 3 or less.
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| 申请公布号 |
US4423114(A) |
申请公布日期 |
1983.12.27 |
| 申请号 |
US19810300551 |
申请日期 |
1981.09.09 |
| 申请人 |
TDK ELECTRONICS CO., LTD. |
发明人 |
SAGUCHI, HIROTO;HAYAMA, MASASHI;SAKAI, KEITARO |
| 分类号 |
G11B5/712;C09D5/23;C09D7/12;G11B5/706;H01F1/11;(IPC1-7):C01G49/06 |
主分类号 |
G11B5/712 |
| 代理机构 |
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