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.
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
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