Optical disk

Details Optical disk Optical disk

1990-03-23

1993-02-16

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428204, 428206, 428913, 369288, 346 76L, 430945, 427162, B32B 302

Patent

active

051869950

ABSTRACT:
Disclosed herein is an optical disk comprising an elastomer layer formed on a transparent substrate and having infinitesimal bumps and depressions such as pre-addresses or pre-grooves, and a reflection retention layer which is formed on the elastomer layer and which comprises a thiophene vinylene resin having a glass transition temperature and, after curing, a high reflection factor. The reflection retention layer having high levels of affinity with polymers minimizes the possibility of its delamination from the elastomer layer. This makes it easier to form the reflection retention layer.

REFERENCES:
patent: 4719615 (1988-01-01), Feyrer et al.

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