An optica data storage medium containing diaze hemicyanine dye as light-absorbing compound in infomration layer

包含优选透明的基体的光学数据存储介质，其已经任选被一个或多个反射层涂覆并且在其表面涂覆有光可记录的信息层，任选一个或多个反射层和任选保护层或另外的基体或上层，该数据存储介质可以使用蓝或红光，优选激光记录和读取，其中信息层包含吸光化合物和任选粘合剂，特征在于至少一种二氮杂半花青染料被用作吸光化合物。 An optical data storage medium containing a preferably transparent substrate which has optionally already been coated with one or more reflecting layers and onto the surface of which a photorecordable information layer, optionally one or more reflecting layers, and optionally a protective layer or an additional substrate or a top layer are applied, which data storage medium can be recorded on and read using blue or red light, preferably laser light, wherein the information layer contains a light-absorbing compound and optionally a binder, characterized in that at least one diaza hemicyanine dye is used as the light-absorbing compound.