发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium having the excellent properties including the electromagnetic conversion properties is disclosed. The magnetic recording medium comprises a support and provided thereon in sequence the first magnetic layer and the second magnetic layer, wherein the first magnetic layer contains a magnetic substance of 1200 to 3500 grains/ mu m3 and the magnetic layer contains a magnetic substance of 3500 to 7000 grains/ mu m3.
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申请公布号 |
US5077131(A) |
申请公布日期 |
1991.12.31 |
申请号 |
US19900495382 |
申请日期 |
1990.03.16 |
申请人 |
KONICA CORPORATION |
发明人 |
NAKANO, YASUSHI;KOYAMA, NOBORU |
分类号 |
G11B5/706;C09D5/23;C09D127/04;C09D127/06;C09D175/00;C09D175/04;G11B5/716 |
主分类号 |
G11B5/706 |
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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