发明名称 MAGNETIC RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To provide a magnetic recording medium ensuring satisfactory electromagnetic transducing characteristics even when high density recording is performed. SOLUTION: A nonmagnetic layer as a lower layer 4 and a magnetic layer as an upper layer 2 are formed on a nonmagnetic substrate 1. In this double- layer coating structure, the thickness of the upper layer is regulated to <=0.5μm and acicular inorg. powder of 0.05-0.2μm major axis size is incorporated into nonmagnetic powder in the lower layer.
申请公布号 JPH0935245(A) 申请公布日期 1997.02.07
申请号 JP19950182852 申请日期 1995.07.19
申请人 SONY CORP 发明人 SASAKI YUICHI;OKAMOTO KAZUHIRO;SASAKI KAZUO;ISHIZAKI HARUAKI
分类号 C09D5/23;G11B5/73;G11B5/738;(IPC1-7):G11B5/704 主分类号 C09D5/23
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