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    • 10. 发明公开
    • 광학 데이터 기록을 위한 감광성 물질의 전-노출 및 경화
    • 用于光学数据存储的光敏材料的预曝光和固化
    • KR1020080110588A
    • 2008-12-18
    • KR1020087021132
    • 2007-03-02
    • 톰슨 라이센싱
    • 크니텔,조에이침호스펠드,울프강
    • G11B7/26G03H1/04
    • G03H1/18G03H1/181G03H2240/52G03H2260/12G11B7/0065G11B7/268
    • The present invention relates to a method for performing pre-exposure and curing of a photo-sensitive material for optical data storage, in particular for holographic data storage, and to an apparatus for writing to optical storage media (10) using such method. According to the invention, for pre-exposure and/or curing of an optical storage medium (10) the optical storage medium (10) is illuminated by a coherent light beam (7, 8) emitted by a light source (2), which is also used for data recording. Pre-exposure and/or curing is performed in one or more exposure steps, in which the coherent light beam (7) carries a data pattern, the exposure dose for each exposure step being smaller than a minimum dose such that the diffraction efficiency of the recorded data pattern is too low to distinguish data from noise. ® KIPO & WIPO 2009
    • 本发明涉及用于光学数据存储的光敏材料的预曝光和固化,特别是用于全息数据存储的方法,以及使用这种方法向光学存储介质(10)写入的装置。 根据本发明,为了光学存储介质(10)的预曝光和/或固化,光学存储介质(10)被由光源(2)发射的相干光束(7,8)照射, 也用于数据记录。 预曝光和/或固化在一个或多个曝光步骤中进行,其中相干光束(7)携带数据图案,每个曝光步骤的曝光剂量小于最小剂量,使得衍射效率 记录的数据模式太低,无法区分数据和噪声。 ®KIPO&WIPO 2009