Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1990-03-28

1991-08-06

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428694, 428900, G11B 2300

Patent

active

050376950

ABSTRACT:
A magnetic recording medium comprising a non-magnetic substrate and a magnetic layer thereon containing a ferromagnetic CrO.sub.2 powder dispersed in a resin binder. The magnetic layer contains 0.01-1.0 wt % of Al.sub.2 O.sub.3 powder on the basis of the CrO.sub.2 powder so as to improve wear of magnetic heads.

REFERENCES:
patent: 4015042 (1977-03-01), Chassaigne
patent: 4568619 (1986-02-01), Hiller
patent: 4590127 (1986-05-01), Hashimoto et al.
patent: 4756962 (1988-07-01), Takamatsu et al.
patent: 4803121 (1989-02-01), Kyoke et al.
patent: 4828925 (1989-05-01), Miyake et al.
patent: 4830906 (1989-05-01), Nishikawa et al.
patent: 4837083 (1989-06-01), Kuroda et al.

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