| 发明名称 |
Perpendicular magnetic film, process for producing the same and magnetic recording medium having the same |
| 摘要 |
<p>A perpendicular magnetic film comprising at least two units of layers (A) and (B) successively arranged in the order (A)/(B) or (B)/(A), wherein layers (A) are composed of spinel type crystals of a compound of formula: AxFe3-xO4 wherein A is a transition metal and x is not more than 1; and layers (B) are composed of spinel type crystals of a compound of formula: ByCo3-yO4 wherein B is a transition metal and y is not more than 1.</p> |
| 申请公布号 |
EP0564188(B1) |
申请公布日期 |
1996.09.18 |
| 申请号 |
EP19930302367 |
申请日期 |
1993.03.26 |
| 申请人 |
TODA KOGYO CORP. |
发明人 |
TAMARI, KOUSAKU |
| 分类号 |
G11B11/10;G11B5/127;G11B5/64;G11B5/66;G11B5/673;G11B5/85;G11B5/851;G11B11/105;H01F10/18;H01F10/20;H01F10/32;(IPC1-7):H01F10/08 |
主分类号 |
G11B11/10 |
| 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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