发明名称 Magnetic recording medium
摘要 A magnetic recording medium is disclosed. The medium comprises a non-magnetic support and, provided thereon in order, a first magnetic layer and a second magnetic layer each containing a magnetic material and a binder. Rmax, a maximum roughness, and Ra, a center line average roughness, of a surface of the support on the magnetic layer side, d1, a thickness of the first magnetic layer, and d2, a thickness of the second magnetic layer, have the following relation, 4x10-3</=Ra/d1</=1.8x10-2 4x10-2</=Rmax/d1</=4.5x10-1 d2</=1.0 mu m
申请公布号 US5051291(A) 申请公布日期 1991.09.24
申请号 US19900464344 申请日期 1990.01.12
申请人 KONICA CORPORATION 发明人 KAWAHARA, SETSUKO;NAKANO, YASUSHI;KOYAMA, NOBORU
分类号 G11B5/716 主分类号 G11B5/716
代理机构 代理人
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