Optical information recording medium, method for...

Details Optical information recording medium, method for... Optical information recording medium, method for...

2005-03-08

2005-03-08

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S688000

Reexamination Certificate

active

06863946

ABSTRACT:
The present invention presents an optical information recording medium in which deformations brought about by changes to the environmental conditions are suppressed. The recording medium includes a transparent resin layer, a resin substrate that is thicker than the transparent resin layer, and an information recording layer disposed between the transparent resin layer and the resin substrate. A moisture absorption prevention film is formed on at least a portion of an outer principal surface of the resin substrate.

REFERENCES:
patent: 5311500 (1994-05-01), Higuchi et al.
patent: 5490131 (1996-02-01), Ohta et al.
patent: 6128274 (2000-10-01), Mori et al.
patent: 0 467 705 (1992-01-01), None
patent: 7-141696 (1995-06-01), None
patent: 7-244887 (1995-09-01), None
patent: 9-180259 (1997-07-01), None
patent: 9-180254 (1997-11-01), None

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