Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1997-08-27
1999-05-11
Evans, Elizabeth
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428328, 428329, 428332, 428694BS, 428694TS, 428900, B32B5/16
Patent
active
059026766
ABSTRACT:
A coating type magnetic recording medium having a multilayer structure exhibits excellent strength, surface smoothness, and weather resistance is formed on a substrate, and comprises a magnetic layer of magnetic particles dispersed in a resinous binder, and a non-magnetic layer of non-magnetic particles dispersed in a resinous binder. The magnetic particles are composed of acicular ferromagnetic metal particles of Fe containing Co, Al, rare earth elements, periodic table group 1a and 2a elements. The non-magnetic particles are composed of acicular particles of .alpha.-FeOOH.
REFERENCES:
patent: 5546622 (1996-08-01), Isobe et al.
patent: 5587232 (1996-12-01), Hayashi et al.
patent: 5604015 (1997-02-01), Hayashi et al.
patent: 5637390 (1997-06-01), Isobe et al.
Aihara Yasuhiko
Hisano Seiichi
Horikawa Yoshichika
Konno Shinichi
Saito Kazuhisa
Dowa Mining Co. Ltd.
Evans Elizabeth
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