| 摘要 |
An optical disk is disclosed which includes a substrate and a reflector layer disposed on the substrate. At least one temperature sensitive layer disposed on the reflector layer, the sensor material being selected such that its reflectivity changes as a function of the disk temperature. Finally, a transparent overcoat over the substrate or reflector layer disposed so that incident light passes through the transparent overcoat and interacts with the temperature sensitive layer so that it provides a reflected light component, the intensity of which is temperature dependent.
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