| 发明名称 |
MAGNETISCH REGISTRATIEMEDIUM. |
| 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. |
| 申请公布号 |
NL7706922(A) |
申请公布日期 |
1977.12.27 |
| 申请号 |
NL19770006922 |
申请日期 |
1977.06.22 |
| 申请人 |
SONY CORPORATION (SONY KABUSHIKIKAISHA) TE TOKIO. |
发明人 |
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| 分类号 |
G11B5/712;C09D5/23;C09D7/12;G11B5/71;G11B5/84;G11B5/842;(IPC1-7):11B5/70 |
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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