Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1992-01-27

1994-12-06

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428611, 428678, 428694T, 428694TS, 428694TM, 428900, B32B 516, G11B 566

Patent

active

053709284

ABSTRACT:
A magnetic recording medium providing a high reproducing output and a high C/N over a wide recording frequency region is disclosed. The magnetic recording medium comprises a non-magnetic substrate and a lower magnetic layer, a non-magnetic intermediate layer and an upper magnetic layer on the substrate in this order so that the ratio of the non-magnetic intermediate layer thickness (t) to the upper magnetic layer thickness (d), i.e., (t/d), is within the range of 0.1/1 to 0.3/1.

REFERENCES:
patent: 4622271 (1986-11-01), Arai et al.
patent: 4743491 (1988-05-01), Asada et al.
patent: 4754005 (1988-05-01), Sugita et al.
patent: 4775576 (1988-10-01), Bouchand et al.
patent: 4883711 (1989-11-01), Shiroishi et al.

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