Anti-spin-off coating for disc records

Details Anti-spin-off coating for disc records Anti-spin-off coating for disc records

1989-06-23

1991-08-06

Pianalto, Bernard

Stock material or miscellaneous articles

Composite

Of inorganic material

427128, 427130, 427131, 427352, 428 64, 428694, 428696, 428900, H01F 1002

Patent

active

050377108

ABSTRACT:
Magnetic recording media wherein the record surface is coated with an isocyanate lubricant (and, preferably, a supercoat of like lubricant), such lubrication being adapted to inhibit spin-off and like depletion, despite frequent head-contact, while exhibiting good durability, wear resistance and recording characteristics over extended life (computer applications).

REFERENCES:
patent: 4797303 (1989-01-01), Frew et al.

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