Process for producing magnetic recording materials

Details Process for producing magnetic recording materials Process for producing magnetic recording materials

1984-08-06

1985-12-10

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427127, 427130, 427132, H01F 1002, B05D 512

Patent

active

045579482

ABSTRACT:
A process for producing a magnetic recording material comprising a support having a thin metal film layer provided thereon is described, the process comprising the steps of (1) coating a thin magnetic metal film having a water contact angle of at least 25.degree. with a polymer solution to form a thin polymer layer, drying the thin polymer layer, and providing a lubricant on the thin polymer layer, or (2) coating the thin magnetic metal film with a lubricant-containing polymer solution to form a lubricant-containing polymer layer, and drying the lubricant-containing polymer layer.

REFERENCES:
patent: 3466156 (1969-09-01), Peters et al.
patent: 3719525 (1973-03-01), Patel et al.
patent: 3993824 (1976-11-01), Shirahata et al.

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