Optical recording medium

Details Optical recording medium Optical recording medium

1992-02-19

1993-09-07

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428212, 428913, 430945, 346 76L, 3461351, B32B 300

Patent

active

052427293

ABSTRACT:
An optical recording disk is constructed using a substrate which is injection molded from a mixture of a cyclic polyolefin and up to 2% by weight of an alkyl phenol condensate. A recording layer remains firmly adhered to the substrate even in a hot humid environment.

REFERENCES:
patent: 5079060 (1992-01-01), Toibana et al.

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