Electrophotographic image-forming method, electrophotographic image-forming apparatus, and process cartridge
    1.
    发明授权
    Electrophotographic image-forming method, electrophotographic image-forming apparatus, and process cartridge 有权
    电子照相成像方法,电照相成像装置和处理盒

    公开(公告)号:US06215971B1

    公开(公告)日:2001-04-10

    申请号:US09536848

    申请日:2000-03-28

    IPC分类号: G03G1500

    摘要: An electrophotographic image-forming method has a contact charging step of charging the surface of an electrophotographic photosensitive member; an electrostatic latent image forming step of forming an electrostatic latent image on the surface of the electrophotographic photosensitive member charged; a developing step of developing the electrostatic latent image formed into a toner image; and a transfer step of transferring the toner image formed by the development from the electrophotographic photosensitive member to a transfer material, the developing step serving also as a cleaning step for collecting a toner remaining on the electrophotographic photosensitive member after transfer. The toner contains an external additive and the electrophotographic photosensitive member has surface properties of universal hardness of 200 N/mm2 or above (provided that a curve that represents the relationship between hardness and depth of indentation by an indenter has no point of inflection) and a coefficient of surface friction of from 0.01 to 1.2.

    摘要翻译: 电子照相图像形成方法具有对电子照相感光构件的表面进行充电的接触充电步骤; 静电潜像形成步骤,在被充电的电照相感光构件的表面上形成静电潜像; 将形成为调色剂图像的静电潜像显影的显影步骤; 以及将通过显影形成的调色剂图像从电子照相感光构件转印到转印材料的转印步骤,显影步骤还用作在转印后收集在电子照相感光构件上残留的调色剂的清洁步骤。 调色剂含有外部添加剂,并且电子照相感光构件具有200N / mm 2以上的通用硬度的表面特性(条件是表示硬度与压头的压痕深度之间的关系没有拐点的曲线)和 表面摩擦系数为0.01〜1.2。

    Process for producing electrophotographic photosensitive member
    5.
    发明授权
    Process for producing electrophotographic photosensitive member 有权
    电子照相感光构件的制造方法

    公开(公告)号:US09046797B2

    公开(公告)日:2015-06-02

    申请号:US13983994

    申请日:2012-03-01

    摘要: To provide a process for producing an electrophotographic photosensitive member that can not easily cause any fog due to an increase in dark attenuation, a conductive layer is formed with use of a coating liquid for conductive layer prepared with use of a solvent, a binder material and metal oxide particles. The metal oxide particles (P) and binder material (B) in the coating liquid for conductive layer are in a mass ratio (P/B) of from 1.5/1.0 to 3.5/1.0. The metal oxide particle is a titanium oxide particle coated with tin oxide doped with phosphorus or tungsten. Where powder resistivity of the metal oxide particle is represented by x (Ω·cm) and powder resistivity of the titanium oxide particle as a core particle constituting the metal oxide particle is represented by y (Ω·cm), the y and the x satisfy the following relations (i) and (ii): 5.0×107≦y≦5.0×109  (i) 1.0×102≦y/x≦1.0×106  (ii).

    摘要翻译: 为了提供一种用于制造由于暗衰减增加而不容易引起灰雾的电子照相感光构件的制造方法,使用通过使用溶剂,粘合剂材料和粘合剂材料制备的导电层用涂布液形成导电层, 金属氧化物颗粒。 用于导电层的涂布液中的金属氧化物颗粒(P)和粘合剂材料(B)的质量比(P / B)为1.5 / 1.0至3.5 / 1.0。 金属氧化物颗粒是涂覆有掺杂有磷或钨的氧化锡的氧化钛颗粒。 当金属氧化物颗粒的粉末电阻率由x(&OHgr·cm)表示,作为构成金属氧化物颗粒的核心颗粒的氧化钛颗粒的粉末电阻率由y(Ω cm)表示时,y和 x满足以下关系式(i)和(ii):5.0×107≦̸ y≦̸ 5.0×109(i)1.0×102≦̸ y / x≦̸ 1.0×106(ii)。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    6.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件,处理盒和电子照相设备

    公开(公告)号:US08778580B2

    公开(公告)日:2014-07-15

    申请号:US13384149

    申请日:2010-09-03

    IPC分类号: G03G5/04

    CPC分类号: G03G5/144 G03G5/102 G03G5/142

    摘要: An electrophotographic photosensitive member having a specific conductive layer and promising less variation in light-area potential and residual potential in reproducing images repeatedly, and a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member are provided. Where a test in which a voltage of −1.0 kV having only a DC voltage component is continuously applied to the conductive layer for 1 hour is conducted, the conductive layer has volume resistivity satisfying the following mathematical expressions (1) and (2), as values before and after the test: −2.00≦(log|ρ2|−log|ρ1|)≦2.00  (1), and 1.0×108≦ρ1≦2.0×1013  (2), where, in the expressions (1) and (2), ρ1 is volume resistivity (Ω·cm) of the conductive layer as measured before the test and ρ2 is volume resistivity (Ω·cm) of the conductive layer as measured after the test.

    摘要翻译: 提供具有特定导电层的电子照相感光构件,并且重复地再现图像中的光区电位和剩余电位的变化较小,以及具有这种电子照相感光构件的处理盒和电子照相设备。 在进行1小时的连续施加直流电压成分的-1.0kV的电压的试验中,导电层的体积电阻率满足下述数学式(1)和(2),如 测试前后的值:-2.00≦̸(log |&rgr; 2 | -log |&rgr; 1 |)≦̸ 2.00(1)和1.0×108≦̸&rgr; 1≦̸ 2.0×1013(2) 在表达式(1)和(2)中,&rgr; 1是测试前测量的导电层的体积电阻率(&OHgr;·cm),2是导电层的体积电阻率(&OHgr·cm) 在测试后测量。

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    7.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 有权
    电子照相感光构件,工艺盒和电子照相装置及其制造电子感光构件的方法

    公开(公告)号:US20130323632A1

    公开(公告)日:2013-12-05

    申请号:US13984264

    申请日:2012-03-01

    IPC分类号: G03G15/00 G03G21/18

    摘要: Provided are an electrophotographic photosensitive member in which leakage doesn't easily occur, a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member, and a method of manufacturing the electrophotographic photosensitive member. The electrophotographic photosensitive member includes a conductive layer including titanium oxide particle coated with tin oxide doped with a hetero element. When an absolute value of a maximum current amount flowing through the conductive layer in a case of performing a test of applying −1.0 kV including DC voltage to the conductive layer is defined as Ia, and an absolute value of a current amount flowing through the conductive layer in a case where a decrease ratio of a current amount per minute reaches 1% or less for the first time is defined as Ib, the relations of Ia≦6000 and 10≦Ib are satisfied. A volume resistivity of the conductive layer before the test is 1.0×108 Ω·cm to 5.0×1012 Ω·cm.

    摘要翻译: 提供了不容易发生泄漏的电子照相感光构件,各自包括电子照相感光构件的处理盒和电子照相设备以及制造电子照相感光构件的方法。 电子照相感光构件包括导电层,该导电层包括用掺杂有异质元素的氧化锡涂覆的氧化钛颗粒。 在对导电层进行包含直流电压-1.0kV的试验的情况下,流过导电层的最大电流量的绝对值定义为Ia,流过导电性的电流量的绝对值 在每分钟的电流量的降低比率首次达到1%以下的情况下,层被定义为Ib,满足Ia @ 6000和10 @ Ib的关系。 试验前的导电层的体积电阻率为1.0×108Ω·cm〜5.0×1012Ω·cm。

    Method for producing electrophotographic photosensitive member
    8.
    发明授权
    Method for producing electrophotographic photosensitive member 有权
    电子照相感光构件的制造方法

    公开(公告)号:US08455170B2

    公开(公告)日:2013-06-04

    申请号:US13409439

    申请日:2012-03-01

    IPC分类号: G03G5/04

    CPC分类号: G03G5/104 G03G5/144

    摘要: An electrophotographic photosensitive member is provided in which black spots on an output image are hardly caused by local charge injection from a support to a photosensitive layer. For this purpose, a conductive layer is formed using a coating liquid for a conductive layer prepared using a solvent, a binder material and a metal oxide particle that satisfies the following relation (i): 45≦A×ρ×D≦65 (i) wherein A denotes the surface area of the metal oxide particle per unit mass [m2/g], D denotes the number average particle diameter of the metal oxide particle [μm], and ρ denotes the density of the metal oxide particle [g/cm3]. The metal oxide particle is a titanium oxide particle coated with tin oxide doped with phosphorus.

    摘要翻译: 提供一种电子照相感光构件,其中输出图像上的黑点几乎不会由从支持体到感光层的局部电荷注入引起。 为此,使用使用满足以下关系式(i)的溶剂,粘合剂材料和金属氧化物粒子制备的导电层用涂布液形成导电层:45 @ A×rho×D @ 65(i )其中A表示每单位质量的金属氧化物颗粒的表面积[m2 / g],D表示金属氧化物颗粒的数均粒径[mum],rho表示金属氧化物颗粒的密度[g / cm3]。 金属氧化物颗粒是涂覆有掺杂有磷的氧化锡的氧化钛颗粒。

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
    9.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS 有权
    电子照相感光元件,工艺盒和电子照相设备

    公开(公告)号:US20120121291A1

    公开(公告)日:2012-05-17

    申请号:US13384149

    申请日:2010-09-03

    IPC分类号: G03G21/18 G03G15/00

    CPC分类号: G03G5/144 G03G5/102 G03G5/142

    摘要: An electrophotographic photosensitive member having a specific conductive layer and promising less variation in light-area potential and residual potential in reproducing images repeatedly, and a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member are provided. Where a test in which a voltage of −1.0 kV having only a DC voltage component is continuously applied to the conductive layer for 1 hour is conducted, the conductive layer has volume resistivity satisfying the following mathematical expressions (1) and (2), as values before and after the test: −2.00≦(log|ρ2|−log|ρ1|)≦2.00  (1), and 1.0×108≦ρ1≦2.0×1013  (2), where, in the expressions (1) and (2), ρ1 is volume resistivity (Ω·cm) of the conductive layer as measured before the test and ρ2 is volume resistivity (Ω·cm) of the conductive layer as measured after the test.

    摘要翻译: 提供具有特定导电层的电子照相感光构件,并且重复地再现图像中的光区电位和剩余电位的变化较小,以及具有这种电子照相感光构件的处理盒和电子照相设备。 在进行1小时的连续施加直流电压成分的-1.0kV的电压的试验中,导电层的体积电阻率满足下述数学式(1)和(2),如 测试前后的值:-2.00≦̸(log |&rgr; 2 | -log |&rgr; 1 |)≦̸ 2.00(1)和1.0×108≦̸&rgr; 1≦̸ 2.0×1013(2) 在表达式(1)和(2)中,&rgr; 1是测试前测量的导电层的体积电阻率(&OHgr;·cm),2是导电层的体积电阻率(&OHgr·cm) 在测试后测量。

    Observation apparatus with focal position control mechanism
    10.
    发明申请
    Observation apparatus with focal position control mechanism 审中-公开
    具有焦点位置控制机构的观察装置

    公开(公告)号:US20070164194A1

    公开(公告)日:2007-07-19

    申请号:US11724416

    申请日:2007-03-15

    IPC分类号: G02B27/40

    CPC分类号: G02B21/247

    摘要: An AF apparatus for a microscope (1) of the present invention includes: an observational optical system (6) which radiates light on an object under inspection (3) via one of multiple interchangeable objective lens (2) and which has a CCD (imaging device) (5) for observing reflected light from the object under inspection (3); a light flooding portion (7) which radiates a laser (non-visible light) on the object under inspection (3) via the objective lens (2) of the observational optical system (6); a focal point detection optical system (10) which has a photo-detector (photo-electric conversion portion) (8) that is arranged at an image surface of a light figure of the reflected laser from the object under inspection and that outputs signals corresponding to the position of the light figure inside the image surface, and which detects the relative distance between the objective lens (2) and the object under inspection (3); an object position adjusting unit (11) which adjusts the focal position of the object under inspection (3) based on the output signals from the focal point detection optical system (10); and a diaphragm unit (12) which adjust the area on which the laser is radiated so as to be inside the imaging area of the CCD (5).

    摘要翻译: 本发明的显微镜(1)的AF装置包括:观察光学系统(6),其通过多个可互换物镜(2)中的一个将被检查物体(3)上的光辐射并且具有CCD(成像 装置)(5),用于观察来自被检查物体(3)的反射光; 通过观察光学系统(6)的物镜(2)对检查对象物(3)照射激光(不可见光)的光驱部分(7)。 焦点检测光学系统(10),其具有光检测器(光电转换部分)(8),该光检测器(8)被布置在来自检查对象的反射激光的光图的图像表面上,并且输出相应的信号 到图像表面内的光图的位置,并且检测物镜(2)和检查对象(3)之间的相对距离; 对象位置调整单元,根据来自焦点检测光学系统的输出信号,调整被检查对象物的焦点位置; 以及光圈单元(12),其调节激光器被辐射的区域以便在CCD(5)的成像区域内部。