Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1995-03-21

1997-04-08

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428328, 428329, 428694BC, 428694BP, 428694BG, 428695, 428900, G11B 566

Patent

active

056186371

ABSTRACT:
An object is to provide magnetic recording medium having a densely packed, highly oriented magnetic layer by enhancing the dispersibility of magnetic powder having a carbon or iron carbide base surface. Magnetic powder is pretreated by kneading and dispersing it with an organic solvent and optionally, an anionic or ampholytic surfactant and a fatty acid, and a resin containing an amino group or ammonium salt group is used as a binder.

REFERENCES:
patent: 4075384 (1978-02-01), Suzuki et al.
patent: 4506000 (1985-03-01), Kubota et al.
patent: 4784042 (1988-12-01), Kubota et al.
patent: 5225281 (1993-07-01), Tamai et al.

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