Perpendicular magnetic recording medium comprising a magnetic th

Details Perpendicular magnetic recording medium comprising a magnetic th Perpendicular magnetic recording medium comprising a magnetic th

1993-09-02

1995-05-09

Resan, Stevan A.

Stock material or miscellaneous articles

Composite

Of metal

428336, 428660, 428668, 428694T, 428694TS, 428900, 428928, 148313, G11B 500

Patent

active

054138680

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic substrate having thereon a magnetic layer, wherein the magnetic layer is a metal thin film comprising mainly a composition represented by the formula: (Co.sub.100-x Pd.sub.x).sub.100-y Cr.sub.y or [(Co..sub.100-x Pd.sub.x).sub.100-y Cr.sub.y ].sub.100-z O.sub.z wherein x, y and z are atomic percents, and 10.ltoreq.x 40, 5.ltoreq.y.ltoreq.25 and 0.5.ltoreq.z.ltoreq.15. The present medium can be produced at low costs, and has excellent perpendicular magnetic anisotropy.

REFERENCES:
patent: 4816351 (1989-03-01), Takagi et al.
patent: 4929514 (1990-05-01), Natarajan et al.
patent: 4950548 (1990-08-01), Furusawa et al.
patent: 5024854 (1991-06-01), Nakamura et al.

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