发明名称 Magnetic recording medium.
摘要 <p>A magnetic recording medium is disclosed, which has excellent electro-magnetic conversion characteriastics and is improverd in drop-out. The magnetic recording medium comprises a non-magnetic support and a plurality of magnetic layers provided on the support, and the magnetic layer being provided farthest from said support among these magnetic layers comprises a magnetic powder and a carbon black in an amount of not more than 1 part per 100 parts by weight of said magnetic powder; and another magnetic layer comprising a magnetic powder has a thickness of not more than 2.5 mu m, and 900nm light-transmittance of said magnetic medium is not more than 0.1%.</p>
申请公布号 EP0373563(A2) 申请公布日期 1990.06.20
申请号 EP19890122845 申请日期 1989.12.11
申请人 KONICA CORPORATION 发明人 KAWAHARA, SETSUKO;KOYAMA, NOBORU;NAKANO, YASUSHI;NAKAJIMA, NOBORU
分类号 G11B5/708;G11B5/716 主分类号 G11B5/708
代理机构 代理人
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