Patent ID: 7491486
Filing Date: 2009-02-17
Classification: G11B

Abstract:
1. An optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the following formula (I): wherein Dye represents a dye residue having a molar extinction of 10000 (cm wherein in the dye represented by formula (I), Dye has a structure represented by the following formula (II) and UV represents a monovalent group derived from a structure represented by any one of the following formulae (A) to (G): formula (II): A-N═N—B, wherein A and B respectively represent an aromatic ring or a hetero ring; wherein in formula (A), R wherein the bond on the left side of L is bound with A or B in formula (II) and the bond on the right side of L is bound with the benzene ring or any one of R wherein in formula (B), R wherein in formula (C), R wherein in formula (D), R wherein in formula (E), R wherein in formula (F), R wherein in formula (G), R