Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-08-06

1988-10-25

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

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

427128, 428323, 428328, 428694, 428480, 428900, G11B 570

Patent

active

047803533

ABSTRACT:
A magnetic recording medium comprising a flexible support having coated thereon a magnetic layer is disclosed. The support has a surface roughness of from 0.01 to 0.1 .mu.m, the magnetic recording medium has a percent heat shrinkage of 1% or less in the direction of maximum shrinkage thereof after standing at 110.degree. C. for 4 hours, and the magnetic layer contains a metal or alloy fine powder as a ferromagnetic powder. The magnetic recording medium has a excellent running property after repeated use and a small percent heat shrinkage.

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patent: 4337288 (1982-06-01), Takenaka et al.
patent: 4481231 (1984-11-01), Hashimoto et al.
patent: 4496626 (1985-01-01), Kasuga et al.
patent: 4497865 (1985-02-01), Minami et al.
patent: 4548833 (1985-10-01), Hashimoto et al.
patent: 4613545 (1986-09-01), Chubachi et al.

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