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    • 12. 发明授权
    • Electrophotographic apparatus having abraded surface photosensitive
member
    • 具有磨损的表面感光构件的电子照相设备
    • US4931841A
    • 1990-06-05
    • US137104
    • 1987-12-23
    • Toshiyuki Yoshihara
    • Toshiyuki Yoshihara
    • G03G21/00
    • G03G21/00G03G21/0011
    • An electrophotographic apparatus comprises an electrophotographic photosensitive member and means for applying an electrophotographic cycle to the photosensitive member. The electrophotographic cycle includes charging, image exposure, toner development, toner transfer, remaining toner cleaning, and exposure for erasing remaining electric charge. The electrophotographic cycle application means includes abrasion means. By setting the abrasion function of the abrasion means to provide an abrasion of the surface layer of the photosensitive member at a rate of 250 .ANG.or more per 1000 electrophotographic cycles applied to the photosensitive member, the deterioration of image quality such as image-flow and fading of images caused by succession of electrophotographic cycles is effectively prevented particularly with respect to a photosensitive member with a small diameter.
    • 电摄影装置包括电照相感光构件和用于向感光构件施加电子照相循环的装置。 电子照相循环包括充电,图像曝光,调色剂显影,调色剂转印,剩余墨粉清洁和用于擦除剩余电荷的曝光。 电照相循环施加装置包括磨损装置。 通过设置磨损装置的磨损功能,以每施加到感光构件上的每1000次电照相循环的速度为250安/升以上的速度提供感光构件的表面层的磨损,图像流动和图像质量的劣化 相对于具有小直径的感光部件,特别是有效地防止了由连续的电子照相循环引起的图像的褪色。
    • 16. 发明授权
    • Exposure apparatus and method of manufacturing device
    • 曝光装置及其制造方法
    • US09383660B2
    • 2016-07-05
    • US13464114
    • 2012-05-04
    • Toshiyuki YoshiharaKazuhiro Tadokoro
    • Toshiyuki YoshiharaKazuhiro Tadokoro
    • G03B27/52G03F7/20
    • G03F7/70883G03F7/705
    • An exposure apparatus which includes a projection optical system and exposes a substrate to radiant energy via the projection optical system, includes a temperature measuring device configured to perform measurement of a temperature of a temperature measurement portion of the projection optical system, and a controller configured to perform prediction of a change in an optical characteristic of the projection optical system based on a change in temperature measured by the temperature measuring device, and to perform processing of reduction, based on the prediction, of a change in a state of an image formed on the substrate by the projection optical system, wherein the controller is configured to perform the prediction in accordance with a second-order lag response function to the change in temperature of the temperature measurement portion.
    • 一种包括投影光学系统并通过投影光学系统将基板暴露于辐射能的曝光装置,包括:温度测量装置,被配置为执行投影光学系统的温度测量部分的温度测量;以及控制器,被配置为 基于由温度测量装置测量的温度变化来执行投影光学系统的光学特性的变化的预测,并且基于预测,执行基于预测的图像形成状态的变化的处理 所述投影光学系统的所述基板,其中,所述控制器被配置为根据所述温度测量部分的温度变化的二阶滞后响应函数来执行所述预测。
    • 17. 发明申请
    • OPTICAL APPARATUS, METHOD OF DETERMINING POSITION OF OPTICAL ELEMENT IN OPTICAL SYSTEM, AND DEVICE MANUFACTURING METHOD
    • 光学装置,光学系统中光学元件的位置确定方法及装置制造方法
    • US20070115458A1
    • 2007-05-24
    • US11627125
    • 2007-01-25
    • Youzou FukagawaToshiyuki YoshiharaMario NakamoriYuji Shinano
    • Youzou FukagawaToshiyuki YoshiharaMario NakamoriYuji Shinano
    • G01B9/00
    • G03F7/706G02B7/005G02B27/0068G03F7/70258
    • An optical apparatus including an image forming optical system having a movable optical element, and a driving mechanism which moves the optical element is disclosed. The apparatus comprises a first block which obtains a linear evaluation value by normalizing, by a first tolerance, an aberration expressed by a linear function of a position of the movable optical element out of aberrations of the optical system, and a quadratic evaluation value by normalizing, by a second tolerance, an aberration expressed by a quadratic function of the position out of the aberrations of the optical system, a second block which obtains a minimum value of a dummy variable by linear programming using an upper limit value of the linear evaluation value as the dummy variable, and a third block which determines a position of the optical element to be moved by the driving mechanism so as to minimize a weighted sum of the quadratic evaluation values with respect to a plurality of image heights by using, as the upper limit value of the linear evaluation value, a value prepared by adding a relaxation amount to the minimum value of the dummy variable that is obtained by the second block. The third block minimizes the weighted sum of the quadratic evaluation values by adjusting the weights assigned to the quadratic evaluation values and the relaxation amount.
    • 公开了一种包括具有可移动光学元件的成像光学系统和移动光学元件的驱动机构的光学装置。 该装置包括第一块,其通过以第一公差标准化由光学系统的像差中的可移动光学元件的位置的线性函数所表示的像差,以及通过归一化归一化二次评估值来获得线性评估值 通过第二公差,由光学系统的像差之外的位置的二次函数表示的像差,通过使用线性评估值的上限值通过线性规划获得虚拟变量的最小值的第二块 作为虚拟变量,以及第三块,其确定由驱动机构移动的光学元件的位置,以便通过使用作为上部的图像来最小化相对于多个图像高度的二次评估值的加权和 线性评估值的极限值,通过将松弛量与由该se获得的虚拟变量的最小值相加而制备的值 cond block。 第三块通过调整分配给二次评价值的权重和松弛量来最小化二次评价值的加权和。
    • 19. 发明授权
    • Image forming method
    • 图像形成方法
    • US5576810A
    • 1996-11-19
    • US536843
    • 1995-09-29
    • Shuichi AitaToshiyuki YoshiharaTsutomu KukimotoSatoshi YoshidaYoshifumi HanoYuki Nishio
    • Shuichi AitaToshiyuki YoshiharaTsutomu KukimotoSatoshi YoshidaYoshifumi HanoYuki Nishio
    • G03G15/32G03G21/00G03G15/04
    • G03G15/326G03G15/04045G03G21/0064G03G2221/0005
    • An electrophotographic image forming method including a toner image transfer step and eliminating an independent step for cleaning transfer residual toner is operated without causing ghost images and with good gradation and dot reproducibilities. In the method, the photosensitive member is exposed at an exposure intensity which is at least a minimum exposure intensity and below a maximum exposure intensity. The minimum exposure intensity is determined on a surface potential-exposure intensity characteristic curve of the photosensitive member by determining a first slope S1 of a straight line connecting a point giving a dark part potential Vd and a point giving a value of (Vd+ a residual potential Vr)/2, determining a contact point between a tangent line having a slope of S1/20 and the surface potential-exposure intensity characteristic curve and determining the minimum exposure intensity as an exposure intensity at the contact point. The maximum exposure intensity is determined as 5 times a half-attenuation exposure intensity.
    • 包括调色剂图像转印步骤和消除用于清洁转印残余调色剂的独立步骤的电子照相图像形成方法被操作而不引起重影并具有良好的灰度和点重现性。 在该方法中,感光构件以至少最小曝光强度并低于最大曝光强度的曝光强度曝光。 通过确定连接提供暗部电位Vd的点的直线的第一斜率S1和给出(Vd + a残留电位)的点,确定感光构件的表面电位 - 曝光强度特性曲线上的最小曝光强度 Vr)/ 2,确定具有S1 / 20的斜率的切线与表面电位 - 曝光强度特性曲线之间的接触点,并确定最小曝光强度作为接触点处的曝光强度。 最大曝光强度被确定为半衰减曝光强度的5倍。