| 摘要 |
To solve the problem of reliability of a flat film in an optical recording medium due to repelling, and a problem of the yield. An optical recording medium for executing at least one of recording and reproduction of information by light irradiation, comprising a film formation layer having at least a recording layer, with the surface on the light irradiation side provided as a minute rugged surface, on a substrate with a minute concave-convex portion formed on the surface on the light irradiation side, wherein a light transmissible flat film having a transmissivity with respect to the irradiation light is formed on the film formation layer via a hydrophilic material film having a hydrophilic property, filling the minute rugged surface of the film formation layer surface so as to have a flat surface, is provided.
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