Magnetic record member and process for manufacturing the same

Details Magnetic record member and process for manufacturing the same Magnetic record member and process for manufacturing the same

1976-10-22

1978-01-17

Dixon, Jr., William R.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

360131, 360135, 427130, 427131, 427399, 428 65, 428420, 428429, 428447, 428900, G11B 574, B32B 302, B05D 512

Patent

active

040693600

ABSTRACT:
Magnetic storage means which may be a disc having a magnetic storage layer coated with a protective layer. The protective layer, which is preferably an inorganic oxide material, protects the magnetic storage layer from corrosion. A lubricant is applied to the protective layer and serves to reduce wearing due to frictional drag between the disc and a cooperating magnetic head (or heads). The lubricant is oriented so as to make very good adherence with the oxide sublayer and thereby prevent removal of the lubricant through continued use and/or cleaning.

REFERENCES:
patent: 3466156 (1969-09-01), Peters et al.
patent: 3516860 (1970-06-01), Simmons
patent: 3522075 (1970-07-01), Kiel
patent: 3958073 (1976-05-01), Trevisan et al.
patent: 3993846 (1976-11-01), Higuchi et al.
patent: 4005242 (1977-01-01), Kopke et al.

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