Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1998-11-24

2000-12-12

Resan, Stevan A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428404, 428694BS, 428694ST, 428900, 420125, G11B 05733

Patent

active

061595926

ABSTRACT:
A magnetic recording medium comprising: a base film; a non-magnetic undercoat layer formed on said base film, comprising a binder resin and non-magnetic acicular particles containing iron as a main component, which particles comprise iron and zirconium of 0.05 to 30% by weight, calculated as Zr, based on the total weight of the particles, which is present within the particle; and a magnetic recording layer formed on said non-magnetic undercoat layer and comprising magnetic particles and a binder resin. Such a magnetic recording medium has a low light transmittance, an excellent smooth surface, a high mechanical strength and an excellent durability.

REFERENCES:
patent: 5484545 (1996-01-01), Hayashi et al.
patent: 5750250 (1998-05-01), Hayashi et al.
patent: 5773133 (1998-06-01), Sasaki et al.

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