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    • 11. 发明授权
    • Method of manufacturing a transfer mask and method of manufacturing a semiconductor device
    • 制造转印掩模的方法和制造半导体器件的方法
    • US08609304B2
    • 2013-12-17
    • US13436132
    • 2012-03-30
    • Masaru TanabeHideaki MitsuiNaoki NishidaSatoshi Iwashita
    • Masaru TanabeHideaki MitsuiNaoki NishidaSatoshi Iwashita
    • G03F1/50
    • G03F1/84G03F1/70G03F1/72
    • An internal defect or the like of a transfer mask is detected using transmitted light quantity distribution data of an inspection apparatus. Using a die-to-die comparison inspection method, inspection light is irradiated to a first region of a thin film to obtain a first transmitted light quantity distribution, the inspection light is also irradiated to a second region of the thin film to obtain a second transmitted light quantity distribution, a predetermined-range difference distribution is produced by plotting coordinates at which difference light quantity values calculated from a comparison between the first transmitted light quantity distribution and the second transmitted light quantity distribution are each not less than a first threshold value and less than a second threshold value, and a selection is made of a transfer mask in which a region with high density of plotting is not detected in the predetermined-range difference distribution.
    • 使用检查装置的透射光量分布数据检测转印掩模的内部缺陷等。 使用管芯间的比较检查方法,将检查光照射到薄膜的第一区域以获得第一透射光量分布,也将检查光照射到薄膜的第二区域,以获得第二透射光 通过绘制从第一透射光量分布和第二透射光量分布之间的比较计算出的差光量值分别不小于第一阈值的坐标,并产生预定范围的差分布, 小于第二阈值,并且选择在预定范围差分布中未检测到具有高密度绘图密度的区域的转印掩模。
    • 18. 发明申请
    • Optical Device, Optical Recording Head and Optical Recording Device
    • 光学设备,光学记录头和光学记录装置
    • US20110134740A1
    • 2011-06-09
    • US13057666
    • 2009-07-13
    • Koujirou SekineHiroaki UedaManami KuisekoNaoki NishidaHiroshi HatanoKou Osawa
    • Koujirou SekineHiroaki UedaManami KuisekoNaoki NishidaHiroshi HatanoKou Osawa
    • G11B7/00G02B27/44
    • G11B5/314G11B2005/0005G11B2005/0021
    • Provided is an optical device configured to makes it possible to enhance use efficiency of light. An optical device is provided with an optical element to deflect incident light and a fixation member on which the optical element is fixed. The optical element includes a reflective surface and a diffraction grating surface that deflects the incident light. The optical element is fixed on the fixation member to restrain displacement in accordance with temperature changes at portions thereof other than the reflective surface and the diffracting grating surface in such a condition that displacement is caused without restraint be temperature changes at the reflective surface and the diffraction grating surface. A change of the incident light in the deflection angle due to an inclination change by the reflective surface and the diffracting grating surface is suppressed by a change in a diffraction angle due to a periodical change in the diffraction grating by the displacement of the diffraction grating surface.
    • 提供了一种配置成可以提高光的使用效率的光学装置。 光学装置设置有用于偏转入射光的光学元件和固定有光学元件的固定构件。 光学元件包括反射表面和使入射光偏转的衍射光栅表面。 光学元件被固定在固定构件上,以便在反射面和衍射光栅表面以外的部分处的温度变化下抑制位移,使得在不受限制地产生位移的情况下,反射表面的温度变化和衍射 光栅表面。 通过衍射光栅表面的位移,由于衍射光栅的周期性变化引起的衍射角的变化来抑制由反射表面和衍射光栅表面的倾斜变化引起的偏转角中入射光的变化 。