| 发明名称 |
MAGNETIC RECORDING MEDIUM |
| 摘要 |
A magnetic recording medium with improved durability is provided and comprises a substrate and a magnetic layer formed thereon which contains hexagonal system ferrite magnetic powder in a volume percentage of not larger than 35% per whole volume of the magnetic layer. |
| 申请公布号 |
EP0238068(A3) |
申请公布日期 |
1989.08.30 |
| 申请号 |
EP19870103988 |
申请日期 |
1987.03.18 |
| 申请人 |
HITACHI MAXELL LTD. |
发明人 |
MIYAKE, AKIRA;KISHIMOTO, MIKIO |
| 分类号 |
C09D5/23;C09D7/12;G11B5/706;G11B5/71;G11B5/714;(IPC1-7):G11B5/706;G11B5/712 |
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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