ULTRAVIOLET-CURING COMPOSITION, OPTICAL DISK, AND METHOD OF PRODUCING OPTICAL DISK

摘要

To obtain a digital video disc having excellent durability in a high temperature and high humidity environment, an ultraviolet curable composition prepared such that water in which the cured coating film has been immersed has a specific conductivity of 100 mu S/cm or less is provided as an adhesive for use in bonding two discs with information recording layers, respectively, having thin films of different kinds of material.