Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1991-10-07

1993-03-23

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428480, 428678, 428679, 428694, 428900, B32B 2706, G11B 2300

Patent

active

051962659

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support having thereon a magnetic layer containing a ferromagnetic powder and a binder, the non-magnetic support comprising polyethylene naphthalate in which Young's modulus in the transversal direction is at least 700 kg/mm.sup.2 and Young's modulus in the mechanical direction is less than 800 kg/mm.sup.2, the ferromagnetic powder being magnetic metal powder, and the total thickness of the magnetic recording material being not more than 11 .mu.m.

REFERENCES:
patent: 4614687 (1986-09-01), Nishimatsu et al.
patent: 4710421 (1987-12-01), Ono et al.
patent: 4720412 (1988-01-01), Katoh et al.
patent: 4804736 (1989-02-01), Utsumi
patent: 5051292 (1991-09-01), Katoh et al.
patent: 5055349 (1991-10-01), Yasufuku et al.

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