Magnetic recording medium comprising a magnetic layer or backcoa

Details Magnetic recording medium comprising a magnetic layer or backcoa Magnetic recording medium comprising a magnetic layer or backcoa

1990-08-06

1992-09-29

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428403, 428407, 428900, 252 515R, 252 6254, G11B 500

Patent

active

051513331

ABSTRACT:
Disclosed is a magnetic recording medium comprising a non-magnetic support and a magnetic layer composed mainly of a ferromagnetic powder and a binder, which is formed on one surface of the support, and an optional backcoat layer composed mainly of a non-magnetic powder and a binder, which is formed on the other surface of the support. At least one of the magnetic layer and the backcoat layer contains a compound having at least one >C.dbd.N.sup..sym. < bond in the molecule. When preparing the magnetic recording medium, the magnetic powder or non-magnetic powder may be surface-treated with the >C.dbd.N.sup..sym. < group-containing compound.

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