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    OPTICAL RECORDING MEDIUM, MASTER DISC FOR MANUFACTURING OPTICAL RECORDING MEDIUM, AND DEVICE AND METHOD FOR MANUFACTURING MASTER DISC FOR MANUFACTURING OPTICAL RECORDING MEDIUM
    1.
    发明公开
    OPTICAL RECORDING MEDIUM, MASTER DISC FOR MANUFACTURING OPTICAL RECORDING MEDIUM, AND DEVICE AND METHOD FOR MANUFACTURING MASTER DISC FOR MANUFACTURING OPTICAL RECORDING MEDIUM 有权
    装置和方法用于生产母盘制造光学AUFZEICHUNGSMEDIUMS

    公开(公告)号：EP1355304A1

    公开(公告)日：2003-10-22

    申请号：EP02710358.9

    申请日：2002-01-25

    申请人： Sony Corporation

    发明人： ENDOH, Sohmei ,  KONISHI, Ayumi

    IPC分类号： G11B7/26 ,  G11B7/24

    CPC分类号： G11B7/128 ,  G11B7/00 ,  G11B7/007 ,  G11B7/135 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/261

    摘要： An optical recording medium allowing high-density recording, where a groove having a shallow U-shaped cross section wider than certain width, a master for manufacturing optical recording medium, a manufacturing apparatus thereof, and a manufacturing method thereof are provided. A exposure beam (61) and a exposure beam (62) are recombined together with a first exposure beam (60) in a second PBS (47) so that traveling directions thereof may be the same direction. At this time, the exposure beam (61) and the exposure beam (62) are arranged so that both optical axes may be aligned at certain distance. Thereby, a width of a spot formed by combining these beams can be extended, and light exposure of the spot can be proper to form a shallow groove, as typically showed in Fig. 3.

    摘要翻译： 一种光记录介质允许高密度记录，其中具有浅U形横截面的槽比一定宽度的抗蚀剂，用于制造光学记录介质的主，制造装置，以及它们的制造方法，其被提供。 甲曝光光束（61）和曝光光束（62）与在第二个PBS（47）的第一曝光光束（60）重组在一起，以便它们没有行进方向可以是相同方向。 此时，曝光光束（61）和曝光光束（62）被布置为使得这两个做光轴可以在一定的距离排列。 由此，通过组合合成光束形成的光点的宽度可以被延长，并且光点的光照射可以是适当的，以形成一个浅槽，如在图典型地表现为3