发明名称 |
Production of magnetic powder |
摘要 |
The magnetic characteristics of magnetic powder consisting mainly of iron are improved by pre-treating the starting material from which the magnetic powder is prepared by reductions, with an aqueous solution and/or suspension of one member selected from the group consisting of zinc, chromium and copper compounds and mixtures thereof.
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申请公布号 |
US4274865(A) |
申请公布日期 |
1981.06.23 |
申请号 |
US19790018115 |
申请日期 |
1979.03.07 |
申请人 |
KANTO DENKA KOGYO CO., LTD. |
发明人 |
SUZUKI, SHINTARO;IIZUKA, SADAO;MORIYA, YOSHIMI;OMOTE, YUICHI |
分类号 |
B22F9/22;B22F1/02;H01F1/06;(IPC1-7):B22F9/18 |
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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