Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2007-04-10

2007-04-10

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Binder media

Reexamination Certificate

active

10996408

ABSTRACT:
A magnetic recording medium contains a non-magnetic substrate, a non-magnetic layer arranged on or above one side of the non-magnetic substrate and containing a non-magnetic powder, a carbon black and a binder resin, and a magnetic layer being arranged on or above the non-magnetic layer and containing a ferromagnetic powder and a binder resin, in which the binder resin of the non-magnetic layer contains an electron-beam-curable resin having an adsorption with respect to the non-magnetic powder of less than 2.2 mg per square meter in terms of a specific surface area determined according to a BET method. The magnetic recording medium can carry out high-density recording and exhibits improved electromagnetic conversion properties and a reduced error rate.

REFERENCES:
patent: 4521486 (1985-06-01), Ninomiya et al.
patent: 6759119 (2004-07-01), Murayama et al.
patent: 9-22524 (1997-01-01), None
patent: 2002-25036 (2002-01-01), None

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