Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1988-06-28

1992-02-11

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428336, 428694, 428900, G11B 2300

Patent

active

050875019

ABSTRACT:
A magnetic recording medium is disclosed which is produced by applying to a non-magnetic substrate a magnetic coating material containing a ferromagnetic powder and a resinous binder. The coating formed of the magnetic coating material exhibits a deformation ratio (in the direction perpendicular to the film surface from the magnetic layer side) is not more than 1.times.10.sup.-2 .mu.m.sup.3 /mgf. This magnetic recording medium possesses a high surface accuracy, retains a highly desirable runnability for a long period of time, and excels in durability.

REFERENCES:
patent: 4450199 (1984-05-01), Tadokoro et al.
patent: 4486496 (1984-12-01), Dezawa et al.
patent: 4720411 (1988-01-01), Shimozawa et al.
patent: 4780366 (1988-10-01), Nishimatsu et al.

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