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    • 5. 发明授权
    • Interferometric surface profiler with an alignment optical member
    • 具有对准光学构件的干涉表面轮廓仪
    • US5563706A
    • 1996-10-08
    • US292956
    • 1994-08-22
    • Masato ShibuyaYutaka IchiharaTakashi GemmaShuji ToyonagaKeiji Inada
    • Masato ShibuyaYutaka IchiharaTakashi GemmaShuji ToyonagaKeiji Inada
    • G01B9/02
    • G01B9/02061G01B9/02039G01B9/02042G01B9/02057G01B9/02072G01B2290/70
    • In an interferometer, reflected light from a reference surface and a subject surface are introduced to an imaging optical system through a beam splitter, and an interference fringe formed from light reflected from the both surfaces is observed with a detection optical system. An alignment optical member is disposed in an optical path between the imaging optical system and an image plane of the interference fringe such that the rear focal point of the alignment optical member is located at the image plane. The alignment optical member is inserted in the optical path in aligning the subject surface and is removed in measuring the interference fringe. Accurate alignment of the subject surface is easily attained. A beam expander is interposed between a polarizing beam splitter and the subject surface and a 90.degree. retarder is interposed between the beam expander and the subject surface. The 90.degree. retarder is constructed of one or a plurality of reflecting mirrors formed of dielectric multilayer films. Noise introduced to the imaging optical system is minimized.
    • 在干涉仪中,通过分束器将来自参考面和被摄体表面的反射光引入成像光学系统,并且用检测光学系统观察由从两个表面反射的光形成的干涉条纹。 对准光学构件设置在成像光学系统和干涉条纹的像平面之间的光路中,使得对准光学构件的后焦点位于像平面。 对准光学构件在对准该物体表面的光路中被插入,并且在测量干涉条纹时被移除。 容易实现对象表面的准确对准。 光束扩展器插入在偏振分束器和被摄体表面之间,并且90度延迟器插入在光束扩展器和被摄体表面之间。 90度缓凝剂由由电介质多层膜形成的一个或多个反射镜构成。 引入到成像光学系统的噪声被最小化。
    • 6. 发明授权
    • Catadioptric reduction projection optical system
    • 反射折射减光投影光学系统
    • US5289312A
    • 1994-02-22
    • US948327
    • 1992-09-22
    • Sumio HashimotoYutaka Ichihara
    • Sumio HashimotoYutaka Ichihara
    • G02B1/02G02B17/08G03F7/20H01L21/027G02B27/28
    • G02B17/0892G02B17/08G03F7/70225
    • A catadioptric reduction projection optical system is of a construction in which an on-axis light beam is used in a catadioptric system, and is designed such that resolving power is not deteriorated and a stop can be disposed. The catadioptric reduction projection optical system has a first lens unit G1 having negative refractive power and diffusing a light beam from a reticle 1, a semi-transparent mirror 2 for transmitting therethrough or reflecting the light beam from the first lens unit G1, a second lens unit G2 having negative refractive power and widening the light beam reflected from the semi-transparent mirror 2, a concave reflecting mirror 4 for returning the light beam from the second lens unit G2 to the semi-transparent mirror 2 through the second lens unit G2 while converging that light beam, a third lens unit G3 having positive refractive power and converging the light beam returned to and transmitted through the semi-transmitted mirror 2 on a wafer 5, and a stop 6 disposed between the semi-transparent mirror 2 and the third lens unit G3.
    • 折反射折射投影光学系统是在反射折射系统中使用轴上光束的结构,并且被设计成使分辨能力不劣化并且可以设置停止。 折反射折射投影光学系统具有第一透镜单元G1,该第一透镜单元G1具有负折光力并且扩散来自标线片1的光束,用于透射的半透明反射镜2或反射来自第一透镜单元G1的光束;第二透镜 具有负屈光力并扩大从半透明反射镜2反射的光束的单元G2,用于将来自第二透镜单元G2的光束通过第二透镜单元G2将光束返回到半透明反射镜2的凹面反射镜4, 会聚该光束,具有正折光力的第三透镜单元G3,并且使通过半透射反射镜2返回并透射到晶片5的光束会聚;以及设置在半透明反射镜2和第三透镜 镜头单元G3。
    • 8. 发明申请
    • DISPLAY APPARATUS AND DISPLAY METHOD
    • 显示装置和显示方法
    • US20120274556A1
    • 2012-11-01
    • US13545984
    • 2012-07-11
    • Yoshikazu SuglyamaYutaka Ichihara
    • Yoshikazu SuglyamaYutaka Ichihara
    • G06F3/038G06F3/01G02B27/26
    • H04N13/312G02B27/2214G02B27/26G09G3/003G09G3/20H04N13/32
    • A display apparatus comprising a display panel including first and second display regions arranged in an alternating manner and respectively passing a first polarization component light and a second polarization component of incident light; a light source panel including first and second light sources arranged in an alternating manner and respectively emitting light of the first polarization component and light of the second polarization component to the back surface of the display panel; and a lenticular lens that is positioned between the display panel and the light source panel, refracts light from the first light sources in a direction of a first viewpoint to provide the first viewpoint with the light passed by the first display regions, and refracts light from the second light sources in a direction of a second viewpoint to provide the second viewpoint with the light passed by the second display regions.
    • 一种显示装置,包括:显示面板,包括以交替方式布置并分别通过入射光的第一偏振分量光和第二偏振分量的第一和第二显示区域; 光源面板,包括以交替方式布置并分别将第一偏振分量的光和第二偏振分量的光发射到显示面板的后表面的第一和第二光源; 以及位于显示面板和光源面板之间的双凸透镜,从第一视点的方向折射来自第一光源的光,以使第一视点与通过第一显示区域的光线相互折射,并将来自 所述第二光源在第二视点的方向上,以通过第二显示区域提供第二视点。