发明名称 |
PROCESS FOR PRODUCTION OF MAGNETIC RECORDING ELEMENTS |
摘要 |
<p>FO-2-24465/KM/80. A process for producing a magnetic recording element using a ferromagnetic metal fine powder produced by a dry reduction method is disclosed, the improvement which comprises washing the ferromagnetic metal fine powder with an aqueous solvent or an organic solvent having high polarity, and optionally contacting the powder with an aqueous solution of a surface active agent, before preparing a coating composition of the powder.</p> |
申请公布号 |
CA1148417(A) |
申请公布日期 |
1983.06.21 |
申请号 |
CA19800361918 |
申请日期 |
1980.10.01 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
AONUMA, MASASHI;TAMAI, YASUO |
分类号 |
C09D5/23;C09D7/12;G11B5/706;G11B5/84;G11B5/842;H01F1/06;(IPC1-7):G11B5/84 |
主分类号 |
C09D5/23 |
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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