| 摘要 |
PROBLEM TO BE SOLVED: To prevent photodegradation of an optical information recording medium employing a recording organic coloring matter in heat mode, especially a cyanine coloring matter, during storage from developing even without employing a stabilized radical or a quencher. SOLUTION: In this optical information recording medium, the recording organic coloring matter and at least one kind among a special aminium-based compound, an aminium salt and a diimonim salt are employed in combination. |
