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    • 5. 发明授权
    • Super resolution optical disc
    • 超分辨率光盘
    • US07232598B2
    • 2007-06-19
    • US10971332
    • 2004-10-21
    • Kun Ho AhnKeum Cheol KwakJin Hong Kim
    • Kun Ho AhnKeum Cheol KwakJin Hong Kim
    • B32B3/02
    • G11B7/24B82Y30/00G11B7/257
    • Disclosed is a super resolution optical disc. The super resolution optical disc comprises at least two mask layers. In one embodiment, the super resolution optical mask comprises a plurality of mask layers and impact absorption layers between the mask layers, and may further comprise diffusing prevention layers between the mask layer and the impact absorption layer. In another embodiment, the super resolution optical mask comprises a plurality of recording layers and dielectric layers separating the recording layers, each of the recording layers including two mask layers and an impact absorption layer between the mask layers or including two mask layers, an impact absorption layer between the mask layers, and diffusion preventing layers between the mask layer and the impact absorption layer. Accordingly, recording marks have an enhanced shape at an outer periphery of the marks, thereby enhancing the quality of the reproduction signal and enabling high-density multi-level recording.
    • 公开了一种超分辨率光盘。 超分辨率光盘包括至少两个掩模层。 在一个实施例中,超分辨率光学掩模包括在掩模层之间的多个掩模层和冲击吸收层,并且还可以包括在掩模层和冲击吸收层之间的防扩散层。 在另一个实施例中,超分辨率光学掩模包括分离记录层的多个记录层和电介质层,每个记录层包括两个掩模层和在掩模层之间的冲击吸收层或包括两个掩模层,冲击吸收 掩模层之间的层,以及掩模层和冲击吸收层之间的扩散防止层。 因此,记录标记在标记的外周具有增强的形状,从而提高再现信号的质量并实现高密度多级记录。