发明名称 Magnetischer Aufzeichnungsträger
摘要 There is disclosed a magnetic recording medium comprising a support and provided thereon a plurality of layers. The layers comprise an outermost magnetic layer and a lower magnetic layer, wherein the outermost magnetic layer contains carbon black having an average primary particle size ranging from 40 m mu to 300 m mu , and the lower magnetic layer contains carbon black having an average primary particle size ranging from 5 m mu to 30 m mu .
申请公布号 DE68925792(D1) 申请公布日期 1996.04.04
申请号 DE1989625792 申请日期 1989.12.11
申请人 KONICA CORP., TOKIO/TOKYO, JP 发明人 KOYAMA, NOBORU, HINO-SHI TOKYO 191, JP;NAKANO, YASUSHI, HINO-SHI TOKYO 191, JP;KAWAHARA, SETSUKO, HINO-SHI TOKYO 191, JP;NAKAJIMA, NOBORU, HINO-SHI TOKYO 191, JP
分类号 G11B5/708;G11B5/714;G11B5/716;(IPC1-7):G11B5/716 主分类号 G11B5/708
代理机构 代理人
主权项
地址