| 摘要 |
<p>26-9-1979 1 PHN 9463 "Optically readable information disk, method of manufacturing same, and device for performing the method". The invention relates to an optically readable information disk, a method of manufacturing same, as well as a device for carrying out the method, in which the information disk which comprises an optically readable information track of information areas situated at a higher and a lower level, is manufactured entirely from a radiation-cured layer of a lacquer containing oligomeric acrylates or methacrylates which on an average per molecule comprise between one and four acrylate groups or methacrylate groups, has a viscosity of 1,000 - 15,000 eP and comprises a photoinitiator in a concentration of 0.1 to 0.5 % by weight. Suitable lacquers comprise notably 1,1'-isopropylene-bis(p-phenoxyethylmethacrylate) or 1,1'-isopropylene-bis(p-phenoxyethylacrylate).</p> |
