| 摘要 |
PURPOSE:To accelerate thermal deformation of a radiation beam irradiated portion in a recording layer to enhance a recording sensitivity, by a method wherein a light-transmitting intermediate layer consisting of an organic compound having a nucleus of purine derivative and having a thermal deformation temperature lower than that of a recording layer is provided between a substrate and the recording layer. CONSTITUTION:A substrate 1 is made of a transparent hard material such as glass, PMMA, PC, and epoxy. An intermediate layer 2 is made of an organic compound having a nucleus of purine derivative and having a thermal deformation temperature lower than that of a recording layer 3; the thermal deformation involves fusion, decomposition, evaporation, sublimation, etc. For example, the organic compound having a nucleus of at least one material selected from among guanine, guanosine, adenine, theobromine, xanthin, uric acid, caffeine, theophylline, and paraxanthine can be used. The recording layer 3 is provided with pits in the form of through hole at a radiation beam irradiated portion thereof. The recording layer 3 is made of a tellurium or a low-melting metal such as an alloy mainly composed of tellurium. |
