In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or...http://www.google.fr/patents/US7889631?utm_source=gb-gplus-shareBrevet US7889631 - Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
Optical information recording medium, and substrate and manufacturing method ...
