The present invention relates to new triarylmethane / mono-azo complex dye compounds and their use as dyes in optical layers for optical data recording, preferably for optical data recording using a laser with a wavelength from 630 to 670 nm.
The invention further relates to an optical layer comprising said dyes and to a write only read many (WORM) type optical recording medium capable of recording and reproducing information with radiation of red laser, which employs an triarylmethane /mono-azo complex type dye in the optical layer.
In particular, the present invention relates to crystal violet / mono-azo complex dye compounds and their use as dyes in optical layers for optical data recording
本发明涉及新的三芳基
甲烷/单偶氮络合
染料化合物及其在光学数据记录光学层中作为
染料的用途,最好是使用波长为 630 至 670 纳米的激光进行光学数据记录。
本发明还涉及一种包含上述
染料的光学层,以及一种能用红色激光辐射记录和复制信息的只写多读(WORM)型光学记录介质,该介质在光学层中使用了三芳基
甲烷/单偶氮络合物型
染料。
本发明尤其涉及
水晶紫/单偶氮络合
染料化合物及其在光学数据记录的光学层中作为
染料的用途。