Ultraviolet curable composition , optical disc and method...

Details Ultraviolet curable composition , optical disc and method... Ultraviolet curable composition , optical disc and method...

C - Chemistry, Metallurgy

09

J

400/7005, 352/32

C09J 9/00 (2006.01) C09J 4/00 (2006.01) C09J 4/06 (2006.01) C09J 201/00 (2006.01) G11B 7/24 (2006.01) G11B 7/253 (2006.01) G11B 7/26 (2006.01)

Patent

CA 2297721

An ultraviolet-curing composition which is used as an adhesive to join two disks having thin films of different materials and information recording layers into a digital video disk durable even in a high-temperature high- humidity environment and highly reliable and which is so prepared that the conductivity of the cured coating film dipping liquid is 100 µS/cm or less.

L'invention concerne une composition durcissant sous l'effet des rayons ultraviolets, utilisée comme un adhésif servant à coller ensemble deux disques qui possèdent des films minces, faits de matériaux différents, et des couches d'enregistrement d'informations, et ce pour former un disque vidéo numérique durcissant même dans un environnement à température et à humidité élevées et possédant une grande fiabilité; selon le procédé de fabrication, le liquide dans lequel est trempé le film de revêtement durci a une conductivité inférieure ou égale à 100 mu S/cm.

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