Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1981-08-14

1984-10-02

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

360134, 360135, 360136, 427127, 427128, 427131, 428220, 428323, 428325, 428328, 428329, 428330, 428331, 428694, 428695, 428900, G11B 578

Patent

active

044748434

ABSTRACT:
A magnetic recording medium is described comprising a magnetic layer on one surface of a non-magnetic base and a back coating on the other surface of the base, said back coating being not more than 2.mu. thick and which contains an inorganic powder and a binder, said inorganic powder consisting of fine particles of an average size of from 0.01 to 0.1.mu. and coarse particles of an average size of from 0.1 to 0.8.mu..

REFERENCES:
patent: 4015042 (1977-03-01), Chassaigne
patent: 4146031 (1979-03-01), Fujiyama et al.
patent: 4189514 (1980-02-01), Johnson
patent: 4367261 (1983-01-01), Miyoshi
patent: 4411953 (1983-10-01), Miyoshi
patent: 4414270 (1983-11-01), Miyoshi
patent: 4419406 (1983-12-01), Isobe

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