| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical recording medium, which can supply to a high density optical disc system utilizing blue semiconductor laser and a DVD-R recording medium, which can record and reproduce with the present DVD system and, at the same time, can only reproduce in the high density optical disc system in the next generation. SOLUTION: This optical recording medium has a recording layer mainly made of the mixture of a porphysen metal complex compound with a specified structure and a compound including an atom allowing to coordinate with a metal on a substrate. |
