OPTISCHE REGISTRATIE-INRICHTING MET MEERDERE ABLATIEVE REGISTREERLAGEN.

摘要

An optical recording device having a substrate plate which is provided on at least one side with a first ablative recording layer and a second ablative recording layer provided hereon, the second ablative recording layer having a higher surface energy than the first ablative recording layer. Both recording layers preferably comprise the same common metal, for example tellurium.