Magnetic recording media having a backside coating which include

Details Magnetic recording media having a backside coating which include Magnetic recording media having a backside coating which include

1994-04-15

1997-03-04

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428143, 428217, 4283139, 4283142, 428402, 428694TB, 428694TR, 428694BB, 428694BR, 428694BN, 428900, G11B 566, G11B 570

Patent

active

056077475

ABSTRACT:
A magnetic recording medium comprising a support having two major surfaces, a magnetic layer provided on one major surface of the support, and a backside coating provided on the other major surface of the support wherein the backside coating comprises nonmagnetic, multicomponent particles dispersed in a polymeric binder. The nonmagnetic, multicomponent particles are comprised of a first component having a Mohs hardness equal to or less than 7 and a second component having a Mohs hardness greater than 7.

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