Method for manufacturing perpendicular magnetic recording medium

Details Method for manufacturing perpendicular magnetic recording medium Method for manufacturing perpendicular magnetic recording medium

1989-02-16

1991-03-12

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427128, 427251, 4272553, 4272555, 427296, 427316, 428694, 428900, H01F 1002

Patent

active

049992201

ABSTRACT:
In manufacturing perpendicular magnetic recording medium wherein a magnetic layer containing Co and Cr as main contents on a running substrate of polymer film incident angle (.phi..sub.f) of vaporized atom to form said magnetic layer is 30.degree. or larger at the final part of the film formation to improve manufacturing capacity, and magnetic layer (119) is heated after forming the magnetic layer in an oxygen-containing atmosphere.

REFERENCES:
patent: 4385098 (1983-05-01), Sugita et al.
Sugita, R., et al., "Co-Cr Perpendicular Magnetic Recording Tape by Vacuum Deposition," IEEE Transactions on Magnetics MAG-20 (5): 687-92 (Sep. 1984).

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