Azo-metal chelate dye and optical recording medium
申请人:Satake Kenichi
公开号:US20070054219A1
公开(公告)日:2007-03-08
The azo-metal chelate dye of the present invention is formed, for example, from zinc (divalent) as a center metal ion and an azo compound bonded with a coupler component having an amino group and a fluorine-substituted alkylsulfonylamino group subjected to condensed ring-formation to have a 1,3,4-thiazole ring as a diazo component.
Optical recording material and optical recording medium
申请人:Miyazawa Takashi
公开号:US20070184386A1
公开(公告)日:2007-08-09
The present invention provides a high level optical recording material which is capable of recording and reading by a blue laser with a short wavelength. An optical recording material comprises an organic dye compound A whose absorption maximum wavelength (λmax) is not less than 340 nm and not more than 440 nm and a metal-complex compound B whose absorption maximum wavelength (λmax) is not less than 500 nm and not more than 900 nm, the content of the organic dye compound A is higher than the content of the metal-complex compound B, and light resistance x determined by a predetermined method is not less than 30%.