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    • 31. 发明申请
    • Information recording apparatus and information reproducing apparatus
    • 信息记录装置和信息再现装置
    • US20080130463A1
    • 2008-06-05
    • US11900290
    • 2007-09-11
    • Yoshie ShimizuTakeshi Endo
    • Yoshie ShimizuTakeshi Endo
    • G11B7/00
    • G11B7/1369G11B7/0065G11B7/083G11B7/1359
    • Information light modulated and emitted by a modulation element is led to a recording medium through a Fourier transform optical system and an optical path shifter. An interference image is recorded on the recording medium by interference of the information light and reference light. A deflection unit of the optical path shifter has a pair of prisms. Optical path of information light transmitted through the respective prisms are shifted in parallel in a direction perpendicular to an optical axis of the Fourier transform optical system. By rotating the deflection unit around the optical axis, it is possible to shift the optical path of the information light around the optical axis while shifting the optical path in the direction perpendicular to the optical axis. Therefore, it is unnecessary to perform complicated control and it is possible to multiply record an interference image accurately with an information recording apparatus having a simple structure.
    • 通过傅里叶变换光学系统和光路移动器将由调制元件调制和发射的信息引导到记录介质。 通过信息光和参考光的干涉将干涉图像记录在记录介质上。 光路移动器的偏转单元具有一对棱镜。 透过各棱镜的信息光的光路在与傅立叶变换光学系统的光轴垂直的方向上平行移动。 通过围绕光轴旋转偏转单元,可以在沿着与光轴垂直的方向移动光路的同时沿光轴移动信息光的光路。 因此,不需要执行复杂的控制,并且可以与具有简单结构的信息记录装置准确地将干涉图像记录下来。
    • 35. 发明申请
    • Overlay measurement apparatus
    • 覆盖测量仪器
    • US20060274312A1
    • 2006-12-07
    • US11415195
    • 2006-05-02
    • Takeshi Endo
    • Takeshi Endo
    • G01B11/00
    • G03F7/70633
    • An overlay measurement apparatus can judge whether an overlay displacement found from an image is accurate. It has a first measuring unit that captures images of first and second marks formed in different layers of a substrate and finds an overlay displacement between the two marks based on the images formed with light with a measurement wavelength range, a second measuring unit that captures the images of the two marks formed with light with an evaluation wavelength range different from the measurement wavelength range and finds the overlay displacement between the marks based on the images formed with the light with the evaluation wavelength range, and a calculation unit that calculates an index for accuracy of the overlay displacement in the measurement wavelength range based on the overlay displacements in the measurement and evaluation wavelength ranges found by the first and second measuring unit.
    • 覆盖测量装置可以判断从图像发现的重叠位移是否准确。 它具有第一测量单元,其捕获形成在基板的不同层中的第一和第二标记的图像,并且基于由具有测量波长范围的光形成的图像在两个标记之间找到重叠位移;第二测量单元,其捕获 由具有不同于测量波长范围的评估波长范围的光形成的两个标记的图像,并且基于由具有评估波长范围的光形成的图像,找到标记之间的重叠位移,以及计算单元, 基于由第一和第二测量单元找到的测量和评估波长范围内的重叠位移,测量波长范围内的覆盖位移的精度。
    • 39. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US06683726B2
    • 2004-01-27
    • US09952529
    • 2001-09-14
    • Takeshi EndoYasushi KobayashiYoshie ShimizuSoh Ohzawa
    • Takeshi EndoYasushi KobayashiYoshie ShimizuSoh Ohzawa
    • G02B2714
    • H04N9/3111H04N5/7441H04N5/7491H04N9/3164
    • An image display apparatus has a reflective display element for displaying a two-dimensional image on a display plane, a light source for emitting illuminating light for illuminating said display plane, a magnifier optical system for magnifying and projecting said two-dimensional image, and an optical member which is composed of a medium having a refractive index greater than or equal to unity and has at least three optical planes of a first plane, a second plane, and a third plane. The magnifier optical system is substantially in concentricity with said display plane; the illuminating light from said light source passes through said first plane and then through said second plane, thereby illuminating said display plane; and the reflected light from said display plane passes through said second plane and is then reflected in said first plane, thereby passing through said third plane and being incident on said magnifier optical system.
    • 一种图像显示装置具有用于在显示平面上显示二维图像的反射显示元件,用于发射用于照亮所述显示平面的照明光的光源,用于放大和投影所述二维图像的放大镜光学系统,以及 光学构件,其由具有大于或等于1的折射率的介质组成,并且具有至少三个第一平面,第二平面和第三平面的光学平面。 放大镜光学系统基本上与所述显示平面同心; 来自所述光源的照明光穿过所述第一平面,然后通过所述第二平面,从而照亮所述显示平面; 并且来自所述显示平面的反射光通过所述第二平面,然后在所述第一平面中被反射,从而穿过所述第三平面并入射在所述放大镜光学系统上。
    • 40. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US06657602B2
    • 2003-12-02
    • US09745462
    • 2000-12-26
    • Takeshi EndoYasushi KobayashiIchiro KasaiHideki Nagata
    • Takeshi EndoYasushi KobayashiIchiro KasaiHideki Nagata
    • G09G500
    • G09G3/003G09G3/002H04N13/122H04N13/324H04N13/341H04N13/344H04N13/398
    • An image display apparatus has a signal input portion for receiving an image signal, an image compensator for electrically compensating the image signal for distortion so that a left and a right image displayed in an observer's left and right eyes have identical distortion and then outputting a left and right image signal that correspond to the left and right images, a signal switcher for switching between the left and right image signals output from the image compensator so as to output the left and right images alternately chronologically, a single two-dimensional image display device for displaying a two-dimensional image in accordance with the image signal output from the signal switcher, a pair of left and right eyepiece optical systems for directing image light exiting from the two-dimensional image display device to the observer's left and right eyes so that the two-dimensional image is displayed as a virtual image in the observer's eyes, and an optical path switcher for time-divisionally switching optical paths from the two-dimensional image display device to the observer's eyes in synchronism with switching between the left and right image signal output from the signal switcher so that the image light enters either the observer's left or right eye at a time.
    • 图像显示装置具有用于接收图像信号的信号输入部分,用于电压补偿图像信号以进行失真的图像补偿器,使得在观察者左眼和右眼中显示的左和右图像具有相同的失真,然后输出左 和对应于左图像和右图像的右图像信号,用于在从图像补偿器输出的左和右图像信号之间切换以便按时间顺序输出左图像和右图像的信号切换器,单个二维图像显示设备 用于根据从信号切换器输出的图像信号显示二维图像;一对左右目镜光学系统,用于将从二维图像显示装置出射的图像光引导到观察者的左眼和右眼,使得 二维图像在观察者的眼睛中显示为虚像,以及用于时间的光路切换器 与从信号切换器输出的左右图像信号之间的切换同步地从二维图像显示装置向观察者的眼睛切换光路,使得图像光一次进入观察者的左眼或右眼。