发明名称 |
MAGNETISCHES AUFZEICHNUNGSMEDIUM |
摘要 |
A magnetic recording medium comprising a non-magnetic substrate, a magnetic recording layer formed on one side of the substrate and a back coating layer on the other side of the substrate, characterized in that the back coating layer is a coating composed essentially of carbon black, a resin binder and a lubricant, the weight ratio of the carbon black to the binder being from 1:1 to 1:4, and the carbon black having a particle size of from 10 to less than 100 m mu m. |
申请公布号 |
DE3434577(A1) |
申请公布日期 |
1985.04.11 |
申请号 |
DE19843434577 |
申请日期 |
1984.09.20 |
申请人 |
TDK CORPORATION |
发明人 |
NISHIMATSU,MASAHARU;IDE,TOSHIAKI;ARIOKA,HIROYUKI;KUBOTA,YUICHI |
分类号 |
G11B5/66;C09D5/23;C09D127/04;C09D127/06;C09D175/04;C09D175/14;G11B5/64;G11B5/725;G11B5/73;G11B5/735;(IPC1-7):G11B5/70;B05D5/12 |
主分类号 |
G11B5/66 |
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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