Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-07-18

1985-10-15

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

360134, 360135, 360136, 252 6254, 427 44, 427128, 427131, 428328, 428694, 428900, G11B 572

Patent

active

045474192

ABSTRACT:
A magnetic recording medium which comprises a plastic base film and a magnetic layer formed on one side of the base film and composed of a ferromagnetic alloy powder dispersed in a resin binder, characterized in that said ferromagnetic alloy powder has a surface area of at least 48 m.sup.2 /g measured by BET method, said magnetic layer has a coercive force of at least 1,000 Oe and a surface roughness of at most 0.08 .mu.m, and a radiation-cured backing layer made of a radiation sensitive resin and having a surface roughness of from 0.05 to 0.6 .mu.m is formed on the other side of the base film.

REFERENCES:
patent: 4109046 (1978-08-01), Hammon
patent: 4419406 (1983-12-01), Isobe
patent: 4439486 (1984-03-01), Yamada
patent: 4451531 (1984-05-01), Isobe
patent: 4455345 (1984-06-01), Miyatuka
patent: 4465737 (1984-08-01), Miyatuka

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