Magnetic recording medium and method of making the same

Details Magnetic recording medium and method of making the same Magnetic recording medium and method of making the same

G - Physics

11

B

117/24.4

G11B 5/72 (2006.01) G11B 5/70 (2006.01) G11B 5/702 (2006.01)

Patent

CA 1042277

ABSTRACT OF THE DISCLOSURE A method for making a magnetic tape and a magnetic tape which tape comprises a base or substrate which bears a coating layer of a magnetic powder dispersed in a polymeric binder wherein the improvement concerns the provision of a type of magnetic tape having improved anti-abrasive characteristics. To provide such type tape, there is dispersed in the coating layer thereof in addition to the magnetic powder, a surface active fine powder. Individual particles of this fine powder are coated with a layer of a bound thermoplastic organic polymer. Such a tape exhibit improved Young's Modulus, reduced coefficient of friction on the coating layer, reduced fallen amount of magnetic powder from a tape, reduced magnetic head clogging, improved travelling characteristics, reduced magnetic head abrasion, and the like, singly or in combination.

168110

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