Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1990-12-21

1993-11-30

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428480, 428694SG, 428900, B32B 310, B32B 2706, G11B 566

Patent

active

052663760

ABSTRACT:
A magnetic recording medium with excellent S/N ratio and durability is disclosed. The magnetic recording medium comprises a substrate film and a magnetic layer formed on at least one surface of the substrate film. The maximum depth of depressiones in the surface of the magnetic layer being larger than maximum height of peaks on the surface of the magnetic layer.

REFERENCES:
patent: 3783023 (1974-01-01), Hungerford et al.
patent: 4135031 (1979-01-01), Akashi et al.
patent: 4414270 (1983-11-01), Miyoshi et al.
patent: 4461794 (1984-07-01), Adachi et al.
patent: 4746703 (1988-05-01), Dallmann et al.
patent: 4818581 (1989-04-01), Katoh et al.
patent: 5051292 (1991-09-01), Katoh et al.

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