Method for forming a protective barrier layer on an optical memo

Details Method for forming a protective barrier layer on an optical memo Method for forming a protective barrier layer on an optical memo

1998-05-29

1999-11-16

Evans, Elizabeth

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428 642, 428 644, 428 648, 428913, 43027014, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

059854006

ABSTRACT:
A method for forming a protective barrier layer between the active dye layer and the disc substrate during production of an optical memory disc is provided wherein a pre-treatment/pre-coat solution is applied to the disc substrate. This pre-treatment/pre-coat solution includes a surface modifier having an index of refraction approximately equal to that of the disc substrate. Surface modifiers utilized in this pre-treatment/pre-coat solution include poly vinyl alcohol, poly alpha methyl styrene, cellulose acetate, poly vinyl butyral and nitrocellulose.

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patent: 5580473 (1996-12-01), Shinohara et al.
patent: 5824768 (1998-10-01), Burns et al.

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