| 发明名称 |
MAGNETISCHES AUFZEICHNUNGSMEDIUM |
| 摘要 |
A magnetic recording medium having two coated magnetic layers of a first magnetic layer and a second magnetic layer on a non-magnetic substrate. The first magnetic layer has a coercive force of 400 to 590 Oe and a thickness of 2.1 to 2.8 mu and said second magnetic layer has a coercive force of 590 to 800 Oe and a thickness of at least 2.1 mu . |
| 申请公布号 |
DE3130147(A1) |
申请公布日期 |
1982.03.18 |
| 申请号 |
DE19813130147 |
申请日期 |
1981.07.30 |
| 申请人 |
TDK ELECTRONICS CO.,LTD. |
发明人 |
KAWAHARA,HIROSHI;AZEGAMI,HITOSHI;HORIGOME,EIJI |
| 分类号 |
C09D5/23;C09D7/12;G11B5/716;(IPC1-7):11B5/66;09D5/23;05D5/12 |
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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