Magnetic recording medium comprising a lower nonmagnetic layer c

Details Magnetic recording medium comprising a lower nonmagnetic layer c Magnetic recording medium comprising a lower nonmagnetic layer c

1994-07-08

1996-02-06

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428323, 428336, 428404, 428405, 428694BS, 428694BG, 428694BN, 428900, G11B 500

Patent

active

054894662

ABSTRACT:
Disclosed is a magnetic recording medium comprising a nonmagnetic support, a lower nonmagnetic layer and an upper magnetic layer. The lower nonmagnetic layer is coated on the support, comprises an inorganic nonmagnetic powder dispersed in a binder, and is surface-coated with an inorganic oxide. The upper magnetic layer has a dry thickness of 1.0 micrometers or less and comprises a dispersion of a ferromagnetic powder in a binder. The upper magnetic layer is coated onto the lower nonmagnetic layer.

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