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    • 6. 发明申请
    • Ultra-violet protection of data storage media
    • 数据存储介质的紫外线保护
    • US20070031631A1
    • 2007-02-08
    • US11197846
    • 2005-08-04
    • Garry LundstromDeborah JaffeyDaniel Rogers
    • Garry LundstromDeborah JaffeyDaniel Rogers
    • B32B3/02
    • G11B23/0028G11B7/2403G11B7/26Y10T428/21
    • The invention is directed toward techniques for shielding a reflector of a data storage medium from ultra-violet (UV) and solar radiation. Reflectors comprise materials, such as silver, that may degrade and lose their reflective properties when exposed to UV light. In some cases, exposing the reflector to UV light may degrade a recording layer positioned adjacent the reflector in a recordable data storage medium. Degradation of the reflector and/or the recording layer can lead to significant data losses in the data storage medium. The techniques described herein position a blocking material adjacent the reflector in order to protect the reflector and data stored on the data storage medium from exposure to UV light. The blocking material may comprise UV absorbing properties in order to substantially eliminate transmission of UV light through the backside of a data storage medium.
    • 本发明涉及用于屏蔽数据存储介质的反射器免受紫外(UV)和太阳辐射的技术。 反射器包括诸如银的材料,当暴露于UV光下时,其可能会降解并失去其反射性能。 在一些情况下,将反射器暴露于UV光可能使位于可记录数据存储介质中的反射器附近的记录层劣化。 反射器和/或记录层的劣化可导致数据存储介质中的重大数据丢失。 本文所述的技术将阻挡材料定位在反射器附近,以保护反射器和存储在数据存储介质上的数据免受紫外线的照射。 阻挡材料可以包括UV吸收性能,以便基本上消除通过数据存储介质的背面的UV光的透射。
    • 10. 发明申请
    • Simultaneously accessing multiple layers of optical disks
    • 同时访问多层光盘
    • US20070258344A1
    • 2007-11-08
    • US11418584
    • 2006-05-04
    • Daniel RogersJathan Edwards
    • Daniel RogersJathan Edwards
    • G11B7/00
    • G11B7/1275G11B7/08511G11B7/1353G11B7/14G11B7/24038G11B7/268G11B2007/0013
    • Techniques are described for simultaneously accessing multiple layers of an optical data storage medium using optical elements. The techniques include passing light through one or more optical elements included in an optical device to generate multiple light beams with focus points on two or more layers of a multi-layer optical disk. In some cases, the optical device may include a single optical element that generates multiple light beams. In other cases, the optical device may include two or more optical elements that each generates a single light beam. In either case, the optical device may simultaneously access two or more of the layers of the optical disk. An optical element may comprise a diffractive optical element or a holographic optical element designed to accommodate the separation distance between each of the layers of a multi-layer optical disk and a power ratio for the layers of the multi-layer optical disk.
    • 描述了使用光学元件同时访问光学数据存储介质的多个层的技术。 这些技术包括使光通过包括在光学装置中的一个或多个光学元件以在多层光盘的两层或多层上产生具有焦点的多个光束。 在一些情况下,光学装置可以包括产生多个光束的单个光学元件。 在其他情况下,光学装置可以包括两个或更多个光学元件,每个光学元件产生单个光束。 在任一种情况下,光学装置可以同时访问光盘的两层或多层。 光学元件可以包括衍射光学元件或全息光学元件,其被设计成适应多层光盘的每个层之间的间隔距离和多层光盘的层的功率比。