发明名称 Magnetic recording medium
摘要 A magnetic recording medium having a nonmagnetic substrate, an intermediate layer containing at least a nonmagnetic powder, and a magnetic layer containing a ferromagnetic powder and a binder, wherein the magnetic layer has an indentation hardness of 0.3 GPa or more, and the surface profile of the magnetic layer satisfies the following conditions (a) to (c): (a) the 10 point height parameter RZ is 100 nm or less; (b) the difference between the maximum peak-to-valley distance PV and RZ (PV-RZ) is 10 nm or less; and (c) the skewness Rsk is -2 or more and less than 0, has excellent electromagnetic conversion characteristics and running durability.
申请公布号 US6033760(A) 申请公布日期 2000.03.07
申请号 US19980023612 申请日期 1998.02.13
申请人 KAO CORPORATION 发明人 WAKANA, SHIGEAKI;ITO, TADASHI
分类号 G11B5/70;G11B5/714;G11B5/738;G11B5/84;(IPC1-7):G11B5/68 主分类号 G11B5/70
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