High temperature, high humidity stabilization process for optica

Details High temperature, high humidity stabilization process for optica High temperature, high humidity stabilization process for optica

1990-01-09

1992-03-17

Beck, Shrive

Coating processes

Optical element produced

Transparent base

427316, 427314, 427322, 427162, B05D 506, B05D 302

Patent

active

050967428

ABSTRACT:
Provided is a method for stabilizing an optical recording medium containing a polycarbonate substrate. The method comprises treating the substrate material in a high temperature, high humidity environment for an extended period of time. Dramatic improvements in the useful life of the optical recording medium in which the treated polycarbonate substrate is used have been found to result.

REFERENCES:
patent: 4770923 (1988-09-01), Wasa et al.
patent: 4783347 (1988-11-01), Doin et al.
patent: 4815962 (1989-03-01), Cardone
patent: 4997744 (1991-03-01), Kalyanaraman et al.

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