Optical recording medium

Details Optical recording medium Optical recording medium

1995-09-18

1997-12-16

Resan, Stevan A.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428212, 428412, 427551, 3692755, 369283, 369286, B32B 3300

Patent

active

056982844

ABSTRACT:
The present invention relates to an optical recording medium which has excellent scratch resistance and resistance to cracking derived from warpage and bending. It comprises a card substrate; and, laminated on the card substrate, an optical recording member comprising a laminate of a transparent protective layer and an optical recording material layer, wherein a specific surface hard layer is provided on the transparent protective layer.

REFERENCES:
patent: 5111033 (1992-05-01), Fujita et al.
patent: 5276673 (1994-01-01), Kobayashi et al.
patent: 5422226 (1995-06-01), Aihara et al.

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