Magnetic recording media

Details Magnetic recording media Magnetic recording media

1985-07-30

1987-12-15

Robinson, Ellis P.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

252 6254, 427131, 428328, 428329, 428407, 4284259, 428522, 428526, 428694, 428695, 428900, G11B 5712

Patent

active

047132930

ABSTRACT:
A magnetic recording medium comprising a magnetic layer containing a magnetic metal powder, a fatty acid and an ester thereof, and wherein the surface of said magnetic metal powder is pre-treated with a surfactant.

REFERENCES:
patent: 4091143 (1978-05-01), Hartman
patent: 4361621 (1982-11-01), Isobe
patent: 4404253 (1983-09-01), Kohler
patent: 4404260 (1983-09-01), Shibata
patent: 4407901 (1983-10-01), Miyatsuka
patent: 4420537 (1983-12-01), Hayama
patent: 4465737 (1984-08-01), Miyatuka
patent: 4562117 (1985-12-01), Kikukawa
patent: 4568619 (1986-02-01), Hiller

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