Optical disc

Details Optical disc Optical disc

1987-03-27

1989-05-30

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 430271, 430321, 430285, 430288, 430945, 369288, 346 76L, 3461351, B32B 302, G03C 1495, G11B 584

Patent

active

048350273

ABSTRACT:
An optical disc wherein a transparent base plate is made from a special light-curable resin composition comprising at least one compound of the formula: ##STR1## wherein R.sub.1 =H or methyl and n=0-5, and a photopolymerization initiator, is excellent in heat resistance, mechanical strength, moisture resistance, etc.

REFERENCES:
patent: 4355093 (1982-10-01), Hartmann et al.
patent: 4442302 (1984-04-01), Pohl
patent: 4446549 (1984-05-01), Lippits et al.
patent: 4500629 (1985-02-01), Irving et al.
patent: 4619890 (1986-10-01), Molaire et al.

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