| 摘要 |
An optical information recording medium of the present invention, a reproduction method using the optical information recording medium, and an optical information processing device using the optical information recording medium, each of which optically reproduces recorded information by irradiating a light beam, include: a substrate on which a bumpy pit and/or groove corresponding to the recorded information or a recording layer is formed; and a temperature responsive layer whose optical property (transmissivity) in a wavelength of the light beam varies in response to temperature rise caused by irradiation of the light beam. The optical information recording medium can surely reproduce information, which has been recorded in a high density manner, with high accuracy.
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