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    • 2. 发明专利
    • Recording medium and reproducing device
    • 记录介质和再现设备
    • JP2012150340A
    • 2012-08-09
    • JP2011009731
    • 2011-01-20
    • Sony Corpソニー株式会社
    • SAITO KIMIHIROSUMI YOJIROKOBAYASHI SEIJI
    • G03H1/02G11B7/004G11B7/0065G11B7/007G11B7/24
    • G11B7/24038G11B7/24027G11B7/24044
    • PROBLEM TO BE SOLVED: To provide a recording medium capable of providing a favorable reproduction signal as a recording medium of a type performing mark recording by erasing or changing interference fringes.SOLUTION: The recording medium includes a recording layer forming region 10 in which photosensitive layers and non-photosensitive layers (intermediate layers 4) are sequentially superposed, and is configured to form a recording layer 3 in a photosensitive layer. In the recording layer 3, information is recorded by erasing or changing the interference fringes which are formed in parallel to the recording medium surface, in an application part of condensed light, or the information is reproduced by reflecting light with respect to the application of the condensed light. Particularly, the thickness d of the recording layer is defined as 8P≤d≤30Pand more preferably, defined as 8P≤d≤22P.
    • 要解决的问题:提供一种能够通过擦除或改变干涉条纹来提供良好的再现信号作为执行标记记录类型的记录介质的记录介质。 解决方案:记录介质包括记录层形成区域10,其中感光层和非感光层(中间层4)依次重叠,并且被配置为在感光层中形成记录层3。 在记录层3中,通过擦除或改变与记录介质表面平行形成的干涉条纹来记录信息,在聚光的应用部分中,或者通过反射光来再现信息 浓缩光。 特别地,记录层的厚度d被定义为8P F ≤d≤30P F ,更优选定义为8P F ≤d≤22P F 。 版权所有(C)2012,JPO&INPIT