Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1980-12-09

1983-07-05

Silverman, Stanley S.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

360134, 360135, 252 6254, 427128, 428413, 4284259, 428694, 428900, G11B 570

Patent

active

043918646

ABSTRACT:
A magnetic recording tape or disc which has excellent total characteristics of an adhesive strength, a repeat running durability, an electromagnetic characteristic, a gloss degree of the surface and a curling is provided. A binder of a magnetic layer comprises 40 to 70 wt. % of a urethane resin, 15 to 40 wt. % of an epoxy resin and 10 to 40 wt. % of a phenoxy resin.

REFERENCES:
patent: 3057809 (1962-10-01), Newey
patent: 3320090 (1967-05-01), Graubart
patent: 3911196 (1975-10-01), Navidad
patent: 4115290 (1978-09-01), Kubota et al.
patent: 4172176 (1979-10-01), Tanaka et al.

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