Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-08-19

1987-05-05

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428323, 4284231, 4284744, 428694, 428698, B32B 516

Patent

active

046632174

ABSTRACT:
A magnetic recording medium comprised of a nonmagnetic support base having a magnetic recording layer on one surface thereof and a backing layer on the other surface thereof is disclosed. The backing layer is comprised of (1) carbon black having a particle size in the range of 10 to 150 m.mu., (2) graphite having a particle size of 3.mu. or less, and (3) a curing agent. By utilizing this particular backing layer the resulting recording medium has improved durability with respect to the backing layer and shows a decreased in the number of dropouts and scratches during use.

REFERENCES:
patent: 4135031 (1979-01-01), Akashi et al.
patent: 4135032 (1979-01-01), Akashi et al.
patent: 4273797 (1981-06-01), Akashi et al.
patent: 4310599 (1982-01-01), Akashi et al.
patent: 4419406 (1983-12-01), Isobe et al.

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