| abstract |
Optical data carrier, containing a preferably transparent substrate, possibly already coated with one or more reflection layers, on the surface of which an information layer which can be written on with light, optionally one or more reflection layers and optionally a protective layer or a further substrate or cover layer, which is coated with blue or red Light, preferably laser light, can be described and read, the information layer containing a light-absorbing compound and optionally a binder, characterized in that at least one hemicyanine dye is used as the light-absorbing compound. |