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    • 3. 发明授权
    • Extreme ultraviolet light source apparatus
    • 极紫外光源设备
    • US09052615B2
    • 2015-06-09
    • US12543582
    • 2009-08-19
    • Toshihiro NishisakaYukio WatanabeOsamu WakabayashiKouji KakizakiMichio Shinozaki
    • Toshihiro NishisakaYukio WatanabeOsamu WakabayashiKouji KakizakiMichio Shinozaki
    • G21K5/04G03F7/20
    • G03F7/70033G03F7/70975H05G2/00H05G2/003H05G2/008
    • An EUV light source apparatus by which detachment of a chamber or a part of the chamber, movement to a maintenance area, and highly accurate placement relative to projection optics can be performed easily for maintenance of the EUV light source apparatus. The EUV light source apparatus is an apparatus for generating plasma by applying a laser beam to a target material within a chamber and entering EUV light radiated from the plasma into projection optics of exposure equipment, and includes a positioning mechanism for positioning the chamber or a maintenance unit of the chamber in a predetermined location where an optical axis of the collected extreme ultraviolet light and an optical axis of the projection optics of the exposure equipment are aligned, and a movement mechanism for moving the chamber or the maintenance unit of the chamber between the predetermined location and a maintenance area.
    • EUV光源装置能够容易地进行EUV光源装置的维护,EUV光源装置能够容易地进行腔室或腔室的一部分的移动,到维护区域的移动以及相对于投影光学元件的高精度放置。 EUV光源装置是通过将激光束施加到室内的目标材料并且将从等离子体辐射的EUV光输入到曝光设备的投影光学器件中来产生等离子体的装置,并且包括用于定位腔室或维护的定位机构 在所述收集的极紫外光的光轴和所述曝光设备的投影光学元件的光轴对准的预定位置处的所述室的单元,以及用于将所述室或所述室的维护单元移动到所述室 预定位置和维护区域。
    • 10. 发明授权
    • Optical pickup unit and optical pickup device having same and information writing/reading device having same
    • 光拾取单元和具有其的光学拾取装置和具有该拾取单元的信息写入/读取装置
    • US08189434B2
    • 2012-05-29
    • US11579127
    • 2005-04-27
    • Osamu MiyazakiKeiji SakaiYukio Watanabe
    • Osamu MiyazakiKeiji SakaiYukio Watanabe
    • G11B7/00G11B7/135
    • G11B7/1353G11B7/0903G11B7/0943G11B7/131G11B2007/0013
    • An optical pickup device includes: a splitting section for splitting a beam; a light-receiving section for receiving the split beams. The light-receiving section includes: a tracking-use main light-receiving region and tracking-use sub light-receiving regions, and auxiliary light-receiving regions. Each of the auxiliary light-receiving regions receives only a light beam reflected off a recording layer other than a recording layer subjected to an information writing/reading process. A light-receiving area of each of the auxiliary light-receiving area is smaller than a light-receiving area of each tracking-use light-receiving region. Further, an optical pickup device includes: a splitting section for splitting a beam; and a light-receiving section for receiving the split beams. The light-receiving section includes a sub light-receiving regions for receiving tracking-use sub beams. The tracking-use sub beams are arranged so as not to allow entering of a focusing-use main beam reflected off a non-targeted recording layer.
    • 一种光学拾取装置,包括:用于分割光束的分离部分; 用于接收分束的光接收部分。 光接收部分包括:跟踪用主光接收区域和跟踪用子光接收区域以及辅助光接收区域。 每个辅助光接收区域仅接收经过信息写入/读取处理的记录层以外的记录层反射的光束。 每个辅助光接收区域的光接收区域小于每个跟踪用光接收区域的光接收区域。 此外,光学拾取装置包括:用于分割光束的分离部分; 以及用于接收分束的光接收部分。 光接收部分包括用于接收跟踪用子束的子光接收区域。 跟踪使用子光束被布置成不允许从非目标记录层反射的聚焦用主光束的进入。