| 发明名称 |
PRODUCTION OF MAGNETIC POWDER FOR MAGNETIC RECORDING BASED ON IRON |
| 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. |
| 申请公布号 |
JPS54122663(A) |
申请公布日期 |
1979.09.22 |
| 申请号 |
JP19780030150 |
申请日期 |
1978.03.16 |
| 申请人 |
KANTO DENKA KOGYO KK |
发明人 |
SUZUKI SHINTAROU;IIZUKA SADAO;MORIYA YOSHIMI;OMOTE YUUICHI |
| 分类号 |
B22F9/22;B22F1/02;H01F1/06 |
主分类号 |
B22F9/22 |
| 代理机构 |
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代理人 |
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