Magnetic recording medium having an underlayer and a thin film m

Details Magnetic recording medium having an underlayer and a thin film m Magnetic recording medium having an underlayer and a thin film m

1992-02-18

1993-09-07

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428611, 428668, 428900, 428928, 252 6255, 420435, 148313, G11B 500

Patent

active

052427625

ABSTRACT:
In a magnetic recording medium including a substrate and an alloy thin film magnetic layer formed on the substrate, the magnetic layer is composed of Co.sub.100-y (Pt.sub.100-x Pd.sub.x).sub.y where x is set to 0<x.ltoreq.80 (atomic %), and y is set to 10.ltoreq.y.ltoreq.35 (atomic %). Accordingly, a sufficiently high coercive force in an in-plane direction and a sufficiently high saturation magnetization can be obtained, and the magnetic recording medium can be produced at a low cost.

REFERENCES:
patent: 4438066 (1984-03-01), Aboaf et al.
patent: 4610911 (1986-09-01), Opfer et al.
patent: 4995923 (1991-02-01), Mizumoto et al.
Japanese Patent Abstract JP2003102-Jul. 19, 1988 Abstract vol. 014138.
Japanese Patent Abstract JP2030104 Apr. 10, 1990 Abstract vol. 014178.

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