| 发明名称 |
Process for producing magnetic particles for magnetic recording medium |
| 摘要 |
A process for producing magnetic particles for a magnetic recording medium from an acicular goethite as a starting material comprises a step of growing a Si-component-containing goethite as an outer layer.
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| 申请公布号 |
US4348430(A) |
申请公布日期 |
1982.09.07 |
| 申请号 |
US19800210801 |
申请日期 |
1980.11.26 |
| 申请人 |
TDK ELECTRONICS COMPANY, LTD. |
发明人 |
TOKUOKA, YASUMICHI;KOBUKE, TAKAYOSHI |
| 分类号 |
B22F9/22;C01G49/00;C01G49/02;C09D5/23;C09D7/12;G11B5/706;H01F1/06;H01F1/11;(IPC1-7):B05D7/00 |
主分类号 |
B22F9/22 |
| 代理机构 |
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代理人 |
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