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    • 1. 发明申请
    • One-dimensional optical condensing system, optical lighting system for correcting light intensity distribution, and exposure head
    • 一维光学冷凝系统,用于校正光强分布的光学照明系统和曝光头
    • US20030218805A1
    • 2003-11-27
    • US10396789
    • 2003-03-25
    • Fuji Photo Optical Co., Ltd.Fuji Photo Film Co., Ltd.
    • Hiromitsu YamakawaYoji OkazakiKazuhiko NaganoHiromi Ishikawa
    • G02B013/08
    • G02B13/08G02B3/06G02B27/0911
    • Provided are an optical correcting system which can form a linear image or illuminating light having a substantially uniform light intensity distribution without reducing the efficiency of use of light, and an exposure head which can perform excellent exposure by using the linear image or the illuminating light. Light flux from a light source is collimated by the function of a collimator lens, and the collimated light flux enters into an optical correcting system for correcting light intensity distribution. The optical correcting system for correcting light intensity distribution changes the width of the light flux at the exit position at which each collimated light flux exits so that the light intensity distribution of a linear image is uniform when the collimated light flux is formed into the linear image. A change of the widths of the light flux allows utilizing the light flux at the midsection generally having a high light intensity distribution for the peripheral having an insufficient light intensity, thereby uniformalizing the light intensity distribution of the linear image without reducing the efficiency of use of light as a whole.
    • 提供了一种光学校正系统,其可以形成具有基本上均匀的光强度分布的线性图像或照明光,而不降低光的使用效率;以及可以通过使用线性图像或照明光来实现优异曝光的曝光头。 来自光源的光束通过准直透镜的功能被准直,并且准直光束进入用于校正光强度分布的光学校正系统。 用于校正光强度分布的光学校正系统改变在每个准直光束出射的出射位置处的光束的宽度,使得当准直光束形成线性图像时线性图像的光强度分布是均匀的 。 光通量宽度的变化允许利用通常具有高光强度分布的中部的光通量,对于具有不足的光强度的外围设备,从而使线性图像的光强度分布均匀化,而不降低使用效率 整体光。
    • 3. 发明申请
    • Exposure head, exposure apparatus, and application thereof
    • 曝光头,曝光装置及其应用
    • US20030214571A1
    • 2003-11-20
    • US10409686
    • 2003-04-09
    • FUJI PHOTO FILM CO., LTD.
    • Hiromi IshikawaKazuhiko NaganoYoji OkazakiTakeshi FujiiHiromitsu Yamakawa
    • B41J002/47
    • B41J2/451B23K26/0604B23K26/066B29C64/135B29C64/153B33Y30/00B41J2/45B41J2/465B41J2/47D06L4/50D06M10/005G02B26/0841G03F7/7005G03F7/70291H04N1/12H04N1/191H04N1/1916
    • In an exposure apparatus of the invention, for a spatial light modulator, each of a plurality of pixel portions fewer than the total number of the pixel portions is controlled with a control signal generated according to exposure information. Namely, a part of the pixel portions is controlled without controlling a whole of the pixel portions on the substrate. Thus, the number of pixels in the pixel portions is decreased, and transfer time of the control signal becomes short. This enables modulation speed of the laser beam to be increased and the high-speed exposure to be performed. An incorporated laser light source, in which the laser beams are incorporated and struck on the optical fiber, is preferable to the laser device. By adopting the incorporated laser light source, high brightness and high output can be obtained, and it is preferable to the exposure of the spatial light modulator. Since the fiber array is obtained with few optical fibers, it is low cost. Since the number of optical fibers is few, the light-emitting region is further decreased when the optical fibers are arrayed.
    • 在本发明的曝光装置中,对于空间光调制器,利用根据曝光信息生成的控制信号来控制少于像素部分总数的多个像素部分中的每一个。 即,在不控制基板上的整个像素部分的情况下,控制像素部分的一部分。 因此,像素部分中的像素数量减少,并且控制信号的传送时间变短。 这使得能够增加激光束的调制速度并执行高速曝光。 其中激光束并入并撞击在光纤上的并入的激光光源优于激光装置。 通过采用所结合的激光光源,可以获得高亮度和高输出,并且优选空间光调制器的曝光。 由于光纤阵列获得的光纤很少,所以成本低。 由于光纤的数量少,所以在配置光纤时,发光区域进一步降低。
    • 7. 发明申请
    • Imaging forming apparatus
    • 成像装置
    • US20040061673A1
    • 2004-04-01
    • US10671833
    • 2003-09-29
    • FUJI PHOTO FILM CO., LTD.
    • Hiromi IshikawaKazuhiko Nagano
    • G09G003/34
    • G03F7/70291G02B26/0841G03F7/7005G03F7/70275
    • In an image forming apparatus: pixel portions of a spatial light-modulation element are two-dimensionally arranged, and individually modulate portions of light applied to the spatial light-modulation element, according to control signals; a first image-forming optical system is arranged in optical paths of the portions of the light modulated by the pixel portions; a microlens array is arranged in a vicinity of an image-forming plane of the first image-forming optical system, and has microlenses arranged in correspondence with the pixel portions, respectively; and a second image-forming optical system is arranged in optical paths of the portions of the light which have passed through the microlenses, and forms on a predetermined surface an image represented by the portions of the light modulated by the spatial light-modulation element. Each of the first and second image-forming optical systems forms an image with a magnification power greater than one.
    • 在图像形成装置中,空间光调制元件的像素部分被二维排列,并且根据控制信号单独地调制施加到空间光调制元件的光的部分; 第一图像形成光学系统被布置在由像素部分调制的光的部分的光路中; 微透镜阵列布置在第一成像光学系统的图像形成平面附近,并且分别与像素部分对应地布置有微透镜; 并且第二图像形成光学系统被布置在已经通过微透镜的光的部分的光路中,并且在预定表面上形成由由空间光调制元件调制的光的部分表示的图像。 第一和第二成像光学系统中的每一个形成具有大于1的放大倍率的图像。
    • 9. 发明申请
    • Exposure head
    • 曝光头
    • US20030219189A1
    • 2003-11-27
    • US10443995
    • 2003-05-23
    • FUJI PHOTO FILM CO., LTD.
    • Hiromi IshikawaYoji OkazakiKazuhiko Nagano
    • G02F001/295G02B026/08
    • G03F7/70291G02B26/0841G03F7/7005
    • In the present invention provides, in order to obtain a desired focal depth t in a range null of an acceptable increased amount of beam diameter, an exposure head is designed so that the ratio D/W of an output beam width D to a beam width W at the position where a DMD is placed satisfies the following relational formula. 1 D W null null null M 2 null t - K null null a null In the above formula, parameters are defined as follows. null: the wavelength of laser light null: the angle of beam outputted from an illumination light source that is derived by a numerical aperture (NA) of optical fiber according to the following formula nullnullsinnull1(NA) D: the width of beam outputted from the illumination light source W: the beam width at the position where the DMD is placed (at the irradiated surface) a: the size of one pixel on the DMD K: a coefficient determined by beam characteristics, Knull1 M: the magnification of imaging optical system t: required focal depth null: acceptable increased amount of beam diameter
    • 在本发明中,为了获得可接受的增加光束直径的α的范围内的所需焦点深度t,曝光头被设计为使得输出光束宽度D的比D / W与光束宽度 放置DMD的位置的W满足以下关系式。 1 D W MROW> 2 x t - 在上述公式中,参数定义如下。 λ:激光的波长θ:根据以下公式θ= sin(-1),由光纤的数值孔径(NA)导出的照明光源输出的光束的角度θ: 从照明光源W输出的光束的宽度W:放置DMD的位置处的光束宽度(照射面)a:DMD上的一个像素的尺寸K:由光束特性确定的系数,K = 1 M:成像光学系统的放大倍数t:所需的焦深α:可接受的增加光束直径的数量
        • 10. 发明申请
        • Radiation image read-out apparatus
        • 辐射图像读出装置
        • US20030010945A1
        • 2003-01-16
        • US10193994
        • 2002-07-15
        • FUJI PHOTO FILM CO., LTD.
        • Hiromi Ishikawa
        • G03B042/08
        • G03B42/08
        • A radiation image read-out apparatus for reading out a radiation image recorded on a stimulable phosphor sheet includes a stimulating light projector which projects stimulating light emitted from a stimulating light source onto the stimulable phosphor sheet through a projecting optical system so that the stimulating light is collected in a line-like area of the stimulable phosphor sheet, and a line sensor which detects stimulated emission emitted from the line-like area of the stimulable phosphor sheet upon exposure to the stimulating light. The projecting optical system has an aspheric toric surface.
        • 用于读出记录在可刺激的磷光体片上的放射线图像的放射线图像读取装置包括:刺激光投影仪,其通过投影光学系统将刺激光源发射的光刺激到可刺激的荧光体片上,使得刺激光为 收集在可刺激的荧光体片的线状区域中,以及线传感器,其在暴露于刺激光时检测从可刺激的荧光体片的线状区域发射的受激发射。 投影光学系统具有非球面复曲面。