Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1989-03-31

1992-09-08

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428408, 428694, 428695, 428900, G11B 2300

Patent

active

051457385

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support having thereon a magnetic layer comprising ferromagnetic metal powder and a binder, the magnetic layer further comprising carbon black having an average particle diameter of 250 m.mu. or more in an amount of from 1 to 10 parts by weight per 100 parts by weight of the ferromagnetic metal powder, and an ester of tridecyl alcohol with stearic acid and/or an ester of tridecyl alcohol with palmitic acid in an amount of from 5 to 20 parts by weight per 100 parts by weight of the ferromagnetic metal powder.

REFERENCES:
patent: 4303738 (1981-12-01), Gini et al.
patent: 4546038 (1985-10-01), Yanaguchi et al.
patent: 4741959 (1988-05-01), Abe et al.
patent: 4772522 (1988-09-01), Kubota et al.
patent: 4786551 (1988-11-01), Ootani et al.

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