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    • 11. 发明申请
    • Image forming apparatus and charging unit therefor
    • 图像形成装置及其充电装置
    • US20050135839A1
    • 2005-06-23
    • US11001020
    • 2004-12-02
    • Ryo Inoue
    • Ryo Inoue
    • G03G5/08G03G5/147G03G15/00G03G15/02
    • G03G15/0241G03G2215/022
    • An image forming apparatus includes an image bearing member, and first and second chargers. Each of the chargers includes a magnetic member for generating magnetism, has a holding member for holding magnetic particles by a magnetic force, and charges the image bearing member by bringing the magnetic particles in contact therewith. The magnetic member of each of the chargers has a magnetic pole facing the image bearing member. The second charger is located at the tail end in the image bearing member rotational direction, but before a position at which an image is formed on the image bearing member. In the image bearing member rotation direction, and relative to a position at which the image bearing member comes closest to the holding member, the first charger's magnetic member has a peak magnetic force positioned downstream, and the second charger's magnetic member has a peak magnetic force positioned upstream.
    • 图像形成装置包括图像承载部件和第一和第二充电器。 每个充电器包括用于产生磁性的磁性构件,具有用于通过磁力保持磁性颗粒的保持构件,并且通过使磁性颗粒接触而对图像承载构件进行充电。 每个充电器的磁性构件具有面向图像承载部件的磁极。 第二充电器位于图像承载部件旋转方向的尾端,但位于图像承载部件上形成图像的位置之前。 在图像承载部件旋转方向上,相对于图像承载部件最靠近保持部件的位置,第一充电器的磁性部件具有位于下游的峰值磁力,第二充电器的磁性部件具有峰值磁力 位于上游。
    • 15. 发明授权
    • Photoconductor for electrophotography and method of manufacturing and
using a photoconductor
    • 用于电子照相的感光体以及制造和使用光电导体的方法
    • US6124072A
    • 2000-09-26
    • US442825
    • 1999-11-18
    • Akio AraiMakoto FujiiKazuya Adachi
    • Akio AraiMakoto FujiiKazuya Adachi
    • G03G5/05G03G5/08G03G5/082
    • G03G5/08207
    • There is disclosed a photoconductor for use in an electrophotographic apparatus. The photoconductor includes a conductive substrate and a photoconductive layer formed on the conductive substrate. The photoconductive layer includes an As.sub.2 Se.sub.3 alloy containing 36% to 40% by weight of As and doped with 1,000 to 20,000 parts per million of iodine. A method of manufacturing a photoconductor is also disclosed, which includes forming a photoconductive layer by vapor deposition on a conductive substrate and thermally treating the photoconductive layer at a temperature between 100 and 200 degrees Celsius for a period between 30 and 80 minutes. Advantageously, the photoconductor of the present invention is able to provide high quality images at high printing speeds.
    • 公开了用于电子照相设备中的光电导体。 光电导体包括导电衬底和形成在导电衬底上的光电导层。 光电导层包括含有36重量%至40重量%的As并掺杂有1,000至20,000份/百万份碘的As 2 Se 3合金。 还公开了一种制造光电导体的方法,其包括通过气相沉积在导电基底上形成光电导层并在100至200摄氏度的温度下热处理光电导层30至80分钟。 有利地,本发明的光电导体能够以高打印速度提供高质量的图像。
    • 16. 发明授权
    • Photosensitive member for electrophotography and fabrication process
thereof
    • 电子照相用感光体及其制造方法
    • US5976745A
    • 1999-11-02
    • US924309
    • 1997-09-05
    • Makoto AokiShigenori UedaJunichiro Hashizume
    • Makoto AokiShigenori UedaJunichiro Hashizume
    • G03G5/08G03G5/082G03G5/147
    • G03G5/08221G03G5/08285G03G5/14704
    • With a plasma being generated between a cathode electrode to which a high-frequency power is applied and an electrically conductive substrate opposed to the electrode in a reaction vessel the pressure of which can be reduced, a photoconductive layer having the matrix of silicon atoms is deposited on a substrate to be processed, a surface layer comprised of non-monocrystal carbon containing hydrogen is provided on the photoconductive layer, a surface of the surface layer is etched to fluorinate the surface, the surface roughness Rz by etching is controlled below 1000 .ANG., the fluorine contained in the surface layer is made present within 50 .ANG. from the surface, and the concentration of fluorine to carbon in that region is 20% or more, thereby providing a photosensitive member for electrophotography that can obtain high-quality images free of image faintness and image smearing without using a heating means for the photosensitive member, that has high durability, that shows less change in potential characteristics, that can obtain high-quality images on a stable basis, and that is free of the ghost phenomenon and providing a fabrication process of the photosensitive member.
    • 通过在施加高频功率的阴极电极和反应容器内与电极相对的导电基板之间产生等离子体,其压力可以降低,沉积具有硅原子基体的光电导层 在待加工的基板上,在光电导层上设置由非单晶碳构成的表面层,表面层的表面被蚀刻以氟化表面,通过蚀刻将表面粗糙度Rz控制在1000以下, 表面层中所含的氟使表面存在于50以内,并且该区域中氟与碳的浓度为20%以上,从而提供可获得无图像的高质量图像的电子照相用感光体 没有使用用于感光构件的加热装置,具有高耐久性的微弱和图像涂抹,其显示出来 电位特性的变化,可以在稳定的基础上获得高质量的图像,并且没有重影现象并提供感光构件的制造工艺。
    • 17. 发明授权
    • Light-receiving member and electrophotographic apparatus making use of
the same
    • 光接收元件和使用它的电子照相设备
    • US5876886A
    • 1999-03-02
    • US574920
    • 1995-12-19
    • Junichiro Hashizume
    • Junichiro Hashizume
    • G03G5/08G03G5/082G03G15/04
    • G03G5/08235
    • A light-receiving member, and an electrophotographic apparatus comprising it, which the member comprises a conductive support, a first layer capable of exhibiting a photoconductivity which comprises at least a material of a non-single-crystal silicon type, a second layer comprising silicon atoms and one kind selected from the group consisting of carbon atoms, nitrogen atoms and oxygen atoms, and a third layer comprising silicon atoms and one kind selected from the group consisting of carbon atoms, nitrogen atoms and oxygen atoms, the conductivity type of which has been adjusted to be of the same polarity as charging polarity by incorporating at least one element belonging to the Group III elements of the periodic table, the first, second and third layers being superposingly provided in this order, wherein the light-receiving member is used for positive charging and requires no drum heater, thereby achieving a very good image quality in any environment.
    • 一种光接收元件和一种包括它的电子照相设备,该元件包括导电支撑体,能够呈现光电导率的第一层,其至少包括非单晶硅型材料,第二层包括硅 原子和选自碳原子,氮原子和氧原子的一种,以及包含硅原子和选自碳原子,氮原子和氧原子的一种的第三层,其导电类型具有 通过并入至少一个属于周期表的III族元素的元素,将第一,第二和第三层按照该顺序叠加地设置为与充电极性相同的极性,其中使用光接收元件 用于正电充电并且不需要鼓加热器,从而在任何环境中实现非常好的图像质量。