发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon a lower magnetic layer comprising ferromagnetic particles and binders and an upper magnetic layer comprising ferromagnetic particles and binders in this order, wherein the upper magnetic layer contains (a) an abrasive agent having a Mohs' hardness of 6 or more and an average particle diameter of 0.45 mu m or more and (b) an abrasive agent having a Mohs' hardness of 6 or more and an average particle diameter of 0.25 mu m or less.
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申请公布号 |
US5001006(A) |
申请公布日期 |
1991.03.19 |
申请号 |
US19890317243 |
申请日期 |
1989.02.28 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
SAITO, SHINJI;INABA, HIROO |
分类号 |
C09D5/23;G11B5/708;G11B5/716 |
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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