Perpendicular magnetic recording media and magnetic recording de

Details Perpendicular magnetic recording media and magnetic recording de Perpendicular magnetic recording media and magnetic recording de

1995-06-02

1998-04-14

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428 653, 428469, 428694TS, 428694TP, 428694SG, 428694ST, 428900, 360135, G11B 566

Patent

active

057389276

ABSTRACT:
A film 12 with perpendicular magnetic anisotropy and a protective film 13 are formed over a single-crystal substrate 11. This substrate is made of either a single crystal having a hexagonal crystal structure and a plane (0001) in parallel with the substrate plane or a single crystal having a cubic crystal structure and a plane (111) in parallel with the substrate plane, and the film is epitaxially grown such that its easy axis of magnetization is perpendicular to the substrate plane. As a result, the film can have its perpendicular orientation and perpendicular magnetic anisotropy improved to effect a perpendicular magnetic recording of high density thereby to provide the perpendicular magnetic recording media, of which the film has a remarkably enhanced orientation.

REFERENCES:
patent: 3996095 (1976-12-01), Ahn et al.
patent: 4833020 (1989-05-01), Shiroishi et al.
patent: 5501913 (1996-03-01), Shimokawa et al.

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