Use of the Skua phosphoric acid pigment in the optical layer for optical data logging

摘要

As for this invention, it regards the use of the Skua phosphoric acid in the optical layer for the optical data logging which uses, the laser of the wave length to 450nm for optical data logging desirably. This invention furthermore used the pigment which designates Skua phosphoric acid as the base in optical layer, light/write only lead/read Mesny whom it can record can play back information (WORM) it regards type optical data logging medium with the lighting of the blue laser.