Konica Corporation

Kimio Ozawa

Hisato Kato

Akihiro Maezawa

Masaru Iwagaki

Kazumasa Matsumoto

Hiromichi Enomoto

Hiroaki Yamagishi

A magnetic recording medium is disclosed, comprising a support having on side thereof a magnetic recording layer and on the other side, photographic component layers including a silver halide emulsion layer, wherein a contact angle between water and a surface of the side having the magnetic recording layer is from 85.degree. to 100.degree..

Magnetic recording medium

Disclosed is a magnetic recording medium which comprises;

Magnetic recording medium comprising a conductive underlayer containing

A magnetic disc is disclosed, which comprises a disc-shaped magnetic recording medium having a magnetic layer comprising a ferromagnetic powder and a binder and a case having a liner of a nonwoven fabric comprising a polyester fiber or a polyacrylonitrile fiber in a ratio of not less than 30% by weight. The binder of the magnetic recording medium comprises a modified polyurethane resin containing a a polar group selected from the group consisting of a -SO.sub.3 M group, a --OSO.sub.3 M group, a --COOM group, a --PO(OM).sub.2 group and a --OPO(OM).sub.2 group, in which M is a hydrogen atom or a alkali metal atom, or a hydroxyl group provided that the polar group may form an intramolecular salt.

Growing community of inventors

Hino, Japan

Kimio Ozawa