| abstract |
(57) [Problem] To provide a write-once optical recording medium capable of performing good recording and reproduction with a laser having a wavelength of 400 nm to 500 nm. SOLUTION: In an optical recording medium having at least a recording layer and a reflection layer on a substrate, the following general formula (1) is contained in the recording layer. An optical recording medium containing a naphthalene compound represented by the formula: Embedded image [Wherein, A and B each independently represent an aromatic hydrocarbon group or a heterocyclic group which may have a substituent. ] |