| 发明名称 |
Magnetic recording medium and method of preparing the same |
| 摘要 |
A magnetic recording medium is produced using a highly purified lecithin which is selectively adsorbed upon magnetic powder particles so as to coat substantially the entire surface of such particles with a monomolecular layer, thereby providing a magnetic record medium of improved magnetic properties.
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| 申请公布号 |
US4247593(A) |
申请公布日期 |
1981.01.27 |
| 申请号 |
US19770808620 |
申请日期 |
1977.06.21 |
| 申请人 |
SONY CORPORATION |
发明人 |
SETO, JUNETSU;NAGAI, TORU |
| 分类号 |
G11B5/712;C09D5/23;C09D7/12;G11B5/71;G11B5/84;G11B5/842;(IPC1-7):B32B5/16;B32B9/00;B32B15/00 |
主分类号 |
G11B5/712 |
| 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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