Optical information recording medium

Details Optical information recording medium Optical information recording medium

1988-10-03

1990-04-10

Ryan, Patrick

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 369284, 369288, 430945, 346 76L, 3461351, 523349, 522141, 522146, 522170, B32B 302

Patent

active

049159976

ABSTRACT:
An optical information recording medium is disclosed which comprises a pair of substrates at least one of which has a recording layer on one side thereof and which are placed opposingly to each other so that said recording layer is positioned on the inside and are bonded to each other by adhesive layer(s) with or without spacer(s) therebetween to form a sealed structure, wherein said adhesive layer is composed of a cured adhesive material formed from (a) an epoxy resin, (b) a photolyzable organosilicon compound and (c) an aluminum complex compound, said photolyzable organosilicon compound being a silicon compound having at least one phenyl group which has at least one fluorine atom and at least one o-nitrobenzyloxy group which may have a substituent. The said photolyzable oganosilicon compound may be replaced by a mixture of (b-1) a silicon compound having at least one phenyl group having at least one fluorine atom and at least one o-nitrobenzyloxy group which may have a substituent, and (b-2) a silicon compound having at least one phenyl group having no substituents and at least one o-nitrobenzyloxy group which may have a substituent.

REFERENCES:
patent: 4504842 (1985-03-01), Odawara
patent: 4647402 (1987-03-01), Tamura
patent: 4683562 (1987-07-01), Matsui et al.
patent: 4686543 (1987-08-01), Tani et al.
patent: 4731620 (1988-03-01), Yabe et al.

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