Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1983-09-26

1986-06-03

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

360134, 360135, 360136, 427128, 427131, 428329, 428333, 428694, 428900, 428337, G11B 570

Patent

active

045929521

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support, a magnetic layer on a surface of the non-magnetic support, and a backing layer on a reverse surface of the non-magnetic support, composed of powder and a binder, and having a thickness of not more that 2 microns, wherein said powder comprises TiO.sub.2 powder and carbon black powder in the weight ratio of 4:6 to 10:0. The average particle size of TiO.sub.2 powder ranges from 0.01 to 0.8 microns.

REFERENCES:
patent: 4189514 (1980-02-01), Johnson
patent: 4310599 (1982-01-01), Akashi et al.
patent: 4388360 (1983-06-01), Miyoshi et al.
patent: 4414270 (1983-11-01), Miyoshi et al.
patent: 4419406 (1983-12-01), Isobe et al.

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