| 发明名称 |
MAGNETIC RECORDING MEDIUM AND ITS MANUFACTURE |
| 摘要 |
PURPOSE:To improve transfer characteristics and anglar shape ratio at the time of taping by raising the dispersibility in binder, as well as raise the magnetic reluctance of magnetic particles, by covering the surface of needle-like magnetic oxide particle with cobalt oxide. |
| 申请公布号 |
JPS5413997(A) |
申请公布日期 |
1979.02.01 |
| 申请号 |
JP19770079645 |
申请日期 |
1977.07.04 |
| 申请人 |
SONY CORP |
发明人 |
TAMURA HIDEO;NAKAMURA TOKIO |
| 分类号 |
C01G49/00;C01G49/02;C09D5/23;C09D7/12;G11B5/706;G11B5/712;H01F1/11 |
主分类号 |
C01G49/00 |
| 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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