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    • 48. 发明申请
    • OPTICAL RECORDING MEDIUM
    • 光学记录介质
    • US20050266201A1
    • 2005-12-01
    • US10857169
    • 2004-05-28
    • Takashi YamadaTsuyoshi KomakiTomoki Ushida
    • Takashi YamadaTsuyoshi KomakiTomoki Ushida
    • B32B3/02G11B7/243G11B7/254G11B7/258
    • G11B7/252G11B7/2403G11B7/24067G11B7/243G11B7/254G11B7/258G11B2007/24314G11B2007/24316Y10T428/21
    • An optical recording medium includes a support substrate, a first resin layer and a second resin layer formed on opposite surface sides of the support substrate, an information recording layer formed between the first resin layer and the support substrate and containing a recording film, and a moisture-proof layer formed between the second resin layer and the support substrate and the moisture-proof layer contains at least one element among elements contained in the recording film. According to the present invention, since the first resin layer is formed on the moisture-proof layer containing at least one element among elements contained in the recording film, on the information recording layer and the second resin layer is formed on the moisture-proof layer, it is possible to form the first resin layer and the second resin layer having substantially the same physical properties on the opposite sides of the support substrate and it is therefore possible to suppress the warpage of the optical recording medium due to heat and moisture to the minimum.
    • 光记录介质包括支撑基板,第一树脂层和形成在支撑基板的相对表面侧上的第二树脂层,形成在第一树脂层和支撑基板之间并且包含记录膜的信息记录层,以及 形成在第二树脂层和支撑基板之间的防湿层和防潮层包含记录膜中包含的元素中的至少一种元素。 根据本发明,由于第一树脂层形成在包含在记录膜中的元素中的至少一种元素的防潮层上,所以在信息记录层上形成第二树脂层,并且第二树脂层形成在防潮层 ,可以在支撑基板的相对侧上形成具有基本相同物理性质的第一树脂层和第二树脂层,因此可以抑制由于热和湿气导致的光记录介质的翘曲 最低