Information carrying discs

Details Information carrying discs Information carrying discs

1980-02-01

1981-12-08

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 64, 428215, 428216, 428163, 428334, 428335, 428336, 428447, 428450, 428416, 428418, 264106, 264107, 369275, 369288, 369284, 3581285, 346 76L, 346 77E, 3461351, 346137, B32B 302, B32B 2738

Patent

active

043048064

ABSTRACT:
An information carrying element comprising a substrate having adhered to at least one surface thereof a separate layer having a thickness of 1.0 to 100 microns and a circular or spiral pattern of surface variations provides a particularly useful element when said separate layer comprises an abrasion resistant polymer layer derived from 30 to 100% by weight of an epoxy-terminated silane.

REFERENCES:
patent: 3658954 (1972-04-01), Broadbent
patent: 3795534 (1974-03-01), Mehalso
patent: 3798134 (1974-03-01), Hynes
patent: 3855426 (1974-12-01), Bouwhuis
patent: 3901994 (1975-08-01), Mehalso
patent: 4006271 (1977-02-01), French
patent: 4049861 (1977-09-01), Nozari
patent: 4101513 (1978-07-01), Fox
patent: 4126726 (1978-11-01), Soeding
patent: 4130620 (1978-12-01), Jarsen
patent: 4152487 (1979-05-01), Yanagisawa
patent: 4188433 (1980-02-01), Dijkstra

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