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