| 发明名称 |
MAGNETISCH REGISTRATIEMEDIUM EN WERKWIJZE VOOR HET VERVAARDIGEN DAARVAN. |
| 摘要 |
<p>A magnetic recording medium wherein a ferromagnetic substance consisting of Fe, Co, Ni or alloy thereof is vacuum evaporated and deposited on a substrate made of a plastic film or a sheet of non-magnetic metal. The thin ferromagnetic film has the columnar crystal structure, and the columnar crystals are coated with a layer of oxide of the ferromagnetic substance.</p> |
| 申请公布号 |
NL7707769(A) |
申请公布日期 |
1978.01.17 |
| 申请号 |
NL19770007769 |
申请日期 |
1977.07.12 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO. LTD. TE KADOMA, OSAKA, JAPAN. |
发明人 |
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| 分类号 |
G11B5/72;G11B5/85;H01F41/14;(IPC1-7):11B5/62;23C13/00 |
主分类号 |
G11B5/72 |
| 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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