Provided is an optical information recording medium and a method of recording information thereon. The information layer of the recording medium comprises an anthracyanine or phenanthracyanine chromophore compound. In a preferred embodiment, the chromophore is substituted with at least one substituent conferring film forming properties to the chromophore, e.g., a monomer or oligomeric substituent comprised of acid, amide or ester units. The resulting information layer exhibits strong absorption in the range of from about 780-850 nm. Employing an anthracyanine or phenanthracyanine chromophore substituted with a film forming substituent further offers the advantages of a single component material exhibiting good thermomechanical properties.
本文提供了一种光学信息记录介质及其信息记录方法。记录介质的信息层包括
蒽环族或
菲环族发色团化合物。在一个优选的实施方案中,发色团被至少一种赋予发色团成膜特性的取代基取代,例如由酸、酰胺或酯单元组成的单体或低聚取代基。由此产生的信息层在约 780-850 纳米范围内具有很强的吸收性。使用被成膜取代基取代的
蒽或
菲发色团,还能使单组分材料具有良好的热机械性能。