OPTICALLY READABLE INFORMATION DISC

摘要

An information disc in which information can be stored, which information can be read optically. The information disc comprises a transparent substrate 6 which is preferably manufactured from a synthetic resin, for example poly (methyl methacrylate), bearing a radiationcured lacquer layer 7 comprising an information track 8 having a relief structure of information aread 9, 10. The lacquer layer 7 used comprises a radiation-cross linkable protic compound which after curing is aprotic. The lacquer layer preferably comprises a polythiol compound as well as a polyene compound in an equivalent ratio of 1:1.