Optical disk having a hard coat layer

Details Optical disk having a hard coat layer Optical disk having a hard coat layer

1991-10-11

1994-03-08

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428206, 428323, 428412, 428702, 428913, 3461351, 369283, 369288, B32B 0302

Patent

active

052925684

ABSTRACT:
An optical disk includes a resinous substrate and a recording layer thereon. A hard coat layer containing conductive particles is provided on a light incident side of the substrate for protecting the substrate from physical damages and rendering the disk antistatic for preventing dust deposition.

REFERENCES:
patent: 4418141 (1983-11-01), Kawaguchi et al.
patent: 4590493 (1986-05-01), Inoue et al.
patent: 4895767 (1990-01-01), Mori et al.
patent: 4904525 (1990-02-01), Taniguchi et al.
patent: 4937148 (1990-06-01), Sato et al.
patent: 5165992 (1992-11-01), Yajima
patent: 5176943 (1993-01-01), Woo
patent: 5213887 (1993-05-01), Huffman

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