Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-07-01

1988-08-02

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427131, 428694, 428695, 428698, 428900, G11B 564

Patent

active

047613343

ABSTRACT:
A magnetic recording medium in which a silicon nitride film is formed on a magnetic recording layer having an axis of easy magnetization in the direction essentially perpendicular to its own layer surface. The magnetic recording layer is a metallic magnetic film such as a Co-Cr containing alloy. The silicon nitride film is preferably in a state in which the number of nitrogen atoms is less than four thirds of the number of silicon atoms. A lubricant layer such as a layer of fluorocarbon can be formed on the silicon nitride film.

REFERENCES:
patent: 4187344 (1980-02-01), Fredriksson
patent: 4529659 (1985-07-01), Hoshino et al.
patent: 4565734 (1986-01-01), Arai et al.

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