Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1980-01-02

1983-08-02

Silverman, Stanley S.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

252 6253, 252 6254, 360134, 360135, 427128, 428413, 4284259, 428694, G11B 570

Patent

active

043966594

ABSTRACT:
A magnetic recording tape or disc which has excellent physical characteristics of adhesive strength, a repeated running durability, and a gloss degree of the surface as well as excellent electromagnetic characteristics. A binder of a magnetic paint coating comprises 30 to 70 wt. % of an urethane resin, 10 to 50 wt. % of an epoxy resin and 10 to 50 wt. % of nitrocellulose, and if necessary a curing agent.

REFERENCES:
patent: 3320090 (1967-05-01), Graubart
patent: 3740266 (1973-06-01), Akachi et al.
patent: 3840400 (1974-10-01), Yamada et al.
patent: 4115290 (1978-09-01), Kubota et al.
patent: 4323628 (1982-04-01), Okuyama et al.

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