Optical information recording medium

Details Optical information recording medium Optical information recording medium

1998-06-04

1999-11-16

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 644, 428426, 428428, 428433, 428457, 428913, 43027013, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

059854014

ABSTRACT:
An optical information recording medium, which is not deteriorated after repeated reading out and writing in operations, is provided by forming a glass thin film, which varies the intensity or the intensity distribution of light, on a substrate, and providing a recording film, a protective film, and a reflecting film thereon.

REFERENCES:
patent: 5569517 (1996-10-01), Tominaga et al.
patent: 5604002 (1997-02-01), Tsujioka et al.
patent: 5817389 (1998-10-01), Ono

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