OPTICAL RECORDING MEDIUM

PROBLEM TO BE SOLVED: To provide an optical recording medium having a high recording capacity. SOLUTION: The optical recording medium has at least two or more information signal parts and a light transmission layer on the surface of a side on which laser light is incident. In this case, the recordin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KANEKO MASAHIKO, KASHIWAGI TOSHIYUKI, KAWAKUBO SHIN, NAKAOKI ARIKATSU
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an optical recording medium having a high recording capacity. SOLUTION: The optical recording medium has at least two or more information signal parts and a light transmission layer on the surface of a side on which laser light is incident. In this case, the recording medium is provided with; a substrate in which a first information signal part is formed on the surface thereof by injection molding; a first reflection film (0065) formed on the substrate; an ultraviolet setting resin layer having a second information signal part in which information pits or grooves of a stamper are formed by bringing the stamper into contact with the surface of the first reflection film via an ultraviolet setting resin and rotating, stretching and hardening resin; a second reflection film formed on the ultraviolet setting resin layer; and a protection layer formed on the second reflection film. COPYRIGHT: (C)2009,JPO&INPIT