Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1990-08-07

1992-04-21

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

051066831

ABSTRACT:
In a magnetic recording medium comprising a magnetic layer of a ferromagnetic powder dispersed in a resin binder and a nonmagnetic substrate for the layer, the magnetic layer contains zine aluminate (ZnAl.sub.2 O.sub.4) powder. The ferromagnetic powder is of chromium dioxide (CrO.sub.2) and the ZnAl.sub.2 O.sub.4 content in the magnetic layer is 0.01-1 wt % on the basis of the weight of the ferromagnetic powder.

REFERENCES:
patent: 4584243 (1986-04-01), Kadokura et al.
patent: 4590127 (1986-05-01), Hashimoto et al.
patent: 4740423 (1988-04-01), Kadokura et al.

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