发明名称 |
VERFAHREN ZUR HERSTELLUNG EINES MAGNETPULVERS |
摘要 |
A process for producing a magnetic powder which comprises coating the particle surfaces of a magnetic iron oxide with a cobalt compound or a cobalt compound and a ferrous compound and further coating with a compound of at least one metal selected from the group consisting of manganese, vanadium and zinc. There is obtained a magnetic powder having high coercivity and excellent dispersibility in organic binders. This magnetic powder is useful as a material for recording media such as magnetic tapes. |
申请公布号 |
DE3312243(A1) |
申请公布日期 |
1984.03.22 |
申请号 |
DE19833312243 |
申请日期 |
1983.04.05 |
申请人 |
ISHIHARA SANGYO KAISHA,LTD. |
发明人 |
NAKATA,KAZUO;MARUO,MASATSUYO;ASANO,KIYOSHI |
分类号 |
H01F1/11;C09C1/24;G11B5/706;(IPC1-7):23C17/00;11B5/84;05D5/12;22F1/02;01F1/09;01F10/16;01G49/00;11B5/68 |
主分类号 |
H01F1/11 |
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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