发明名称 |
MAGNETISCHES AUFZEICHNUNGSMEDIUM |
摘要 |
A magnetic recording medium is disclosed. The medium comprises a non-magnetic support and, provided thereon, plural magnetic layers comprising the uppermost magnetic layer having a thickness of 1.5 mu m or less and lower magnetic layers, said plural magnetic layers containing a ferromagnetic powder, a binder and a lubricant, wherein a dynamic friction coefficient of the uppermost layer against a metal pin is 0.25 or less under the condition of a temperature of 20 DEG C. and a relative humidity of 60%, and 0.20 or less under the condition of a temperature of 40 DEG C. and a relative humidity of 20%. |
申请公布号 |
DE4120434(A1) |
申请公布日期 |
1992.01.02 |
申请号 |
DE19914120434 |
申请日期 |
1991.06.20 |
申请人 |
KONICA CORP., TOKIO/TOKYO, JP |
发明人 |
GOTO, NARITO;TAKEDA, KATSUYUKI;SASAKI, KUNITSUNA;SEKIGUCHI, NOBUYUKI, HINO, TOKIO/TOKYO, JP |
分类号 |
G11B5/70;C09D5/23;C09D7/12;G11B5/71;G11B5/716 |
主分类号 |
G11B5/70 |
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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