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1. 发明专利

JP2004107677A High molecular weight polycarbonate and method for producing the same 有权
公开(公告)号：JP2004107677A
公开(公告)日：2004-04-08
申请号：JP2004010194
申请日：2004-01-19
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAO KENJI , AIDA MICHIKO , TAKEGAWA ICHIRO , MIYAMOTO MASAHIKO
IPC分类号： C08G64/30 , C08G64/06
摘要： PROBLEM TO BE SOLVED: To provide a method for easily producing high molecular weight polycarbonate, using a polymerization method safe for human body and causing no harmful effect on environment. SOLUTION: The high molecular weight polycarbonate is produced by transesterification comprising heating a diol and a carbonate diester in the presence of a basic oxide catalyst, wherein the catalyst amount is preferably 20-100 ppm per produced polycarbonate, the high molecular weight polycarbonate is collected from a solvent solution after cooling the produced polycarbonate and the obtained polycarbonate preferably has ≥50,000 weight-average molecular weight. The electrophotographic photoreceptor containing the high molecular weight polycarbonate as a binding resin can rapidly obtain, for a long term, an image having high stability and high quality. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2007178483A Electrophotographic photoreceptor, manufacturing method therefor, manufacturing equipment, and image forming apparatus 有权
标题翻译：电子照相机，其制造方法，制造设备和图像形成装置
公开(公告)号：JP2007178483A
公开(公告)日：2007-07-12
申请号：JP2005373800
申请日：2005-12-27
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： SUZUKI TAKAHIRO , ASAHI TORU , AIDA MICHIKO , AZUMA MASARU , SEKO MASAMICHI , KUWABARA TATSUO
IPC分类号： G03G5/00 , G03G5/04
摘要： PROBLEM TO BE SOLVED: To reduce sensitivity uneveness in an electrophotographic photoreceptor obtained by reducing the possibility of solvent vapor that comes into contact with a coating film surface of a painting cylindrical base substance, as much as possible.
SOLUTION: Equipment for manufacturing the electrophotographic photoreceptor has an end paint film removing member, containing a solvent removing a lower-end coating film of the cylindrical base substance 60 applied with an application liquid; and wiping tank 40 that is enclosable, except during the removal treatment of the lower-end coating film of the cylindrical base substance 60 arranging the end coating film removing member. Furthermore, an exhaust piping 72 is connected on the way of a solvent return piping 70 that connects the wiping tank 40 to a wiping liquid reserve tank 52. In the end coating film removal member, the liquid is pumped by a wiping liquid pumping pump 48 from the wiping liquid reserve tank 52 via a solvent discharge nozzle provided in the inner surface.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了减少通过降低与涂漆圆筒形基体的涂膜表面接触的溶剂蒸气的可能性而获得的电子照相感光体的灵敏度不均匀性。解决方案：用于制造电子照相感光体的设备具有末端漆膜去除部件，其包含去除施加有施加液体的圆筒形基体60的下端涂膜的溶剂; 以及可以封闭的擦拭槽40，除了在排列端部涂膜除去部件的圆筒状基体60的下端涂膜的除去处理之外。此外，排气管72连接在将擦拭槽40连接到擦拭液储存箱52的溶剂返回管路70上。在末端涂膜除去构件中，液体被擦拭液体泵送泵48泵送通过设置在内表面上的溶剂排出喷嘴从擦拭液体储存箱52排出。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007147746A Electrophotographic photoreceptor, process cartridge, image forming device, and method for manufacturing electrophotographic photoreceptor 审中-公开
标题翻译：电子照相机，过程盒，图像形成装置，以及制造电子照相光电子器件的方法
公开(公告)号：JP2007147746A
公开(公告)日：2007-06-14
申请号：JP2005339007
申请日：2005-11-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MASUMURA TOMOHIRO , YAMAMOTO SHINYA , HASHIBA SHIGETO , YAHAGI KOICHI , NUKADA HIDEMI , YAMADA TAKASHI , AIDA MICHIKO
IPC分类号： G03G5/14 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that can sufficiently suppress decrease in image density due to repeated use and production of a negative memory and has excellent repeated potential characteristics and environmental stability, to provide a method for manufacturing the electrophotographic photoreceptor, and to provide an electrophotographic device and a process cartridge. SOLUTION: The electrophotographic photoreceptor 1 has a functional layer containing zinc oxide particles, the functional layer 3 containing zinc oxide particles satisfying formula (1):A≤50 or the zinc oxide particles subjected to a surface treatment, wherein A represents an electric conductivity (μS/cm) of a mixture liquid at 25°C prepared by mixing the zinc oxide particles with pure water having the electric conductivity of 1.0 μS/cm to obtain the concentration of 2.5 mass%. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题：为了提供能够充分抑制由于反复使用和负记忆体的产生而导致的图像浓度降低并且具有优异的重复的电位特性和环境稳定性的电子照相感光体，以提供一种制造电子照相感光体的方法，并提供电子照相装置和处理盒。解决方案：电子照相感光体1具有含有氧化锌颗粒的功能层，含有满足式（1）的氧化锌颗粒的功能层3：A≤50或进行表面处理的氧化锌颗粒，其中A表示通过将氧化锌颗粒与电导率为1.0μS/ cm的纯水混合而制备的25℃下的混合液的电导率（μS/ cm），得到2.5质量％的浓度。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006267954A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2006267954A
公开(公告)日：2006-10-05
申请号：JP2005089921
申请日：2005-03-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： SUZUKI TAKAHIRO , ASAHI TORU , HOSHIZAKI TAKETOSHI , AIDA MICHIKO , YAMADA TAKASHI
IPC分类号： G03G15/04 , G03G5/06 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor realizing high image quality and high speed and an image forming apparatus using the same, in the image forming apparatus which adopts a method for forming an electrostatic latent image of a multi-beam system and especially a method for simultaneously scanning at least 3 or at least 10 laser beams by using a surface emitting laser which can be easily arrayed as a light source.
SOLUTION: The image forming apparatus is provided with at least the electrophotographic photoreceptor, a charging means, an exposing means, a developing means and a transferring means. The exposing means has a surface emitting laser array as the light source and a plurality of light beams from the surface emitting laser array scan on the electrophotographic photoreceptor and the light attenuation curve of the electrophotographic photoreceptor satisfies following expression (1), (VH-VL)×0.10≤[(VH+VL)/2]-VM≤(VH-VL)×0.30.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种实现高图像质量和高速度的电子照相感光体，以及使用该电子照相感光体的图像形成装置，在采用多光束系统的静电潜像形成方法的图像形成装置中特别是通过使用可以容易地排列为光源的表面发射激光器来同时扫描至少3个或至少10个激光束的方法。解决方案：图像形成装置至少设有电子照相感光体，充电装置，曝光装置，显影装置和转印装置。曝光装置具有表面发射激光器阵列作为光源，并且来自表面发射激光器阵列的多个光束在电子照相感光体上扫描并且电子照相感光体的光衰减曲线满足以下表达式（1），（VH-VL ）×0.10≤[（VH + VL）/ 2]-VM≤（VH-VL）×0.30。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2009157103A Image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2009157103A
公开(公告)日：2009-07-16
申请号：JP2007335145
申请日：2007-12-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMASHITA NORIYUKI , NAKAMURA MITSUHIDE , KOSEKI KAZUHIRO , HASHIBA SHIGETO , ESUMI TETSUYA , AIDA MICHIKO , NAKAMURA KAZUYUKI , NUKADA KATSUMI
IPC分类号： G03G21/10 , G03G5/00 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus having good cleaning properties in an initial stage, capable of keeping the good cleaning properties for a long period of time and capable of forming images of favorable image quality for a long period of time from the initial stage. SOLUTION: The image forming apparatus includes an electrophotographic photoreceptor 1 having a conductive support 2 and a photosensitive layer 3, a charging device 21, an exposure device 30, a developing device 25, a transfer device 40 and a cleaning device 27. The photosensitive layer 3 includes a protective layer 7 disposed in the farthest side from the support 2; and the surface of the protective layer 7 is roughened by polishing or surface treatment to have a ten-point average roughness (Rz) of 0.2-1.5 μm. The cleaning device 27 has a cleaning blade having an elastic rubber member to come into contact with the photoreceptor 1, and the elastic rubber member shows a JIS-A hardness of 75-95 at 23°C. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在初始阶段具有良好清洁性能的图像形成装置，其能够长时间保持良好的清洁性能并且能够长时间形成良好图像质量的图像时间从初始阶段。解决方案：图像形成装置包括具有导电支撑件2和感光层3的电子照相感光体1，充电装置21，曝光装置30，显影装置25，转印装置40和清洁装置27。感光层3包括设置在与支撑体2最远侧的保护层7; 并且通过抛光或表面处理将保护层7的表面粗糙化，使得十点平均粗糙度（Rz）为0.2-1.5μm。清洁装置27具有具有弹性橡胶构件以与感光体1接触的清洁刮板，弹性橡胶构件在23℃下显示75-95的JIS-A硬度。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2006058573A Manufacturing method of coating liquid for under coat layer, electrophotographic photoreceptor and electrophotographic device 审中-公开
标题翻译：涂层液体的制造方法，电子照相机和电子照相装置
公开(公告)号：JP2006058573A
公开(公告)日：2006-03-02
申请号：JP2004239948
申请日：2004-08-19
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： AIDA MICHIKO , HASHIBA SHIGETO , SUZUKI TAKAHIRO
IPC分类号： G03G5/00 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide the manufacturing method of an under coat layer coating liquid which can secure sufficient electric properties on the under coat layer, by stabilizing the coating liquid for forming the under coat layer of an electrophotographic photoreceptor. SOLUTION: This is the manufacturing method of a coating liquid for forming an under coat layer between the conductive base and the photosensitive layer of an electrophotographic photoreceptor. It has a dispersion step of obtaining a dispersed liquid by dispersing the mixture containing fine metal oxide particles, binder resin, and a solvent, and an ion content removing step of removing the ion contents in the dispersed liquid to obtain a coating liquid. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过稳定用于形成电子照相感光体的底涂层的涂布液，提供能够确保底涂层上的足够电特性的底涂层涂布液的制造方法。解决方案：这是在电子照相感光体的导电性基材与感光层之间形成底涂层的涂布液的制造方法。通过分散包含金属氧化物微粒，粘合剂树脂和溶剂的混合物，以及除去分散液中的离子成分的离子含量除去工序，得到分散液的分散工序，得到涂布液。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005309358A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2005309358A
公开(公告)日：2005-11-04
申请号：JP2004253147
申请日：2004-08-31
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： BANDO KOJI , KUSAYANAGI MAKOTO , SUZUKI TAKAHIRO , AIDA MICHIKO , YAMADA TAKASHI
IPC分类号： G03G21/00 , G03G5/047 , G03G5/05 , G03G5/14 , G03G5/147 , G03G15/00 , G03G15/01 , G03G15/16
CPC分类号： G03G15/1685 , G03G15/162 , G03G2215/0119
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of stably forming images of good image quality over a prolonged period of time. SOLUTION: The image forming apparatus includes an electrophotographic photoreceptor having a conductive substrate, a subbing layer and a photosensitive layer; a charging unit for charging the surface of the photoreceptor; an exposure unit for exposing the surface of the photoreceptor to form an electrostatic latent image; a developing unit for developing the electrostatic latent image with a toner to form a toner image; a transfer unit for primarily transferring the toner image onto an intermediate transfer belt and secondarily transferring the primarily transferred image on the intermediate transfer belt onto a transfer medium; and a cleaning unit for removing the toner remaining on the surface of the photoreceptor. The surface of the intermediate transfer belt has a dynamic hardness of 22×10 9 -36×10 9 N/m 2 ; a dynamic hardness of the surface of the photoreceptor is smaller than the dynamic hardness of the surface of the intermediate transfer belt; and the subbing layer has a thickness of ≥7 μm. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够在长时间内稳定地形成良好图像质量的图像的图像形成装置。解决方案：图像形成装置包括具有导电基板，底层和感光层的电子照相感光体; 用于对感光体的表面充电的充电单元; 用于曝光感光体的表面以形成静电潜像的曝光单元; 显影单元，用于利用调色剂显影静电潜像以形成调色剂图像; 转印单元，用于主要将调色剂图像转印到中间转印带上，并将中间转印带上的主要转印图像二次转印到转印介质上; 以及用于去除残留在感光体表面上的调色剂的清洁单元。中间转印带的表面具有动态硬度为22×10 -36×10 9 N / m 2 ; 感光体表面的动态硬度小于中间转印带表面的动态硬度; 并且底层的厚度为≥7μm。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005258079A Method for inspecting quality of inorganic pigment, method for inspecting quality of coating liquid, and electrophotographic photoreceptor, and method of manufacturing the same 审中-公开
标题翻译：用于检查无机颜料质量的方法，用于检查涂料质量的方法和电子照相光电传感器及其制造方法
公开(公告)号：JP2005258079A
公开(公告)日：2005-09-22
申请号：JP2004069580
申请日：2004-03-11
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MASUMURA TOMOHIRO , HORII NORITAKA , YAMAZAKI JUNKO , NAKAMURA HIROSHI , AIDA MICHIKO , NUKADA HIDEMI , YAMAMOTO SHINYA
IPC分类号： G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide a method for inspecting quality of an inorganic pigment capable of simply and rapidly measuring the quality with high accuracy. SOLUTION: The method of inspecting the quality of the inorganic pigment is provided with a measuring process of measuring the electric conductivity of a solution containing a compound having a hydrogen bondable functional group and the inorganic pigment subjected to a surface treatment by a surface treating agent, and a discriminating process of discriminating the quality of the inorganic pigment based on the measured value of the electric conductivity obtained in the measuring process. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够以高精度简单且快速地测量质量的无机颜料的质量检验方法。＆lt; P＆gt;解决方案：检测无机颜料的质量的方法提供测量包含具有可氢键合官能团的化合物和经表面处理的无机颜料的溶液的电导率的测量方法以及根据测量过程中获得的电导率的测量值来区分无机颜料的质量的鉴别过程。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005266327A Electrophotographic photoreceptor, its manufacturing method and image forming apparatus 审中-公开
标题翻译：电子照相机，其制造方法和图像形成装置
公开(公告)号：JP2005266327A
公开(公告)日：2005-09-29
申请号：JP2004078817
申请日：2004-03-18
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： AIDA MICHIKO , SUZUKI TAKAHIRO , BANDO KOJI , YAHAGI KOICHI
IPC分类号： G03G5/05 , B05D1/18 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of an electrophotographic photoreceptor, capable of fully preventing the formation of a liquid pool due to liquid sagging, even when a thick coating film is formed using a coating liquid having low viscosity, when the electrophotographic photoreceptor is manufactured by an immersion coating method, to provide the electrophotographic photoreceptor obtained by the manufacturing method, and to provide an image forming apparatus which uses the electrophotographic photoreceptor. SOLUTION: The manufacturing method of the electrophotographic photoreceptor, wherein a functional layer is formed on a conductive substrate by the immersion coating method is characterized in that a hollow wind shielding device having a mesh-shaped wall surface is provided above a coating vessel, in which the coating liquid for forming the functional layer is stored; the conductive substrate immersed in the coating liquid is pulled up at a first pull-up speed, until a time immediately before the lower end of the substrate is separated from the coating liquid and is then pulled up completely at a second speed lower than the first speed, and the resultant substrate is dried in a hollow part of the wind-shielding device. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种电子照相感光体的制造方法，即使当使用具有低粘度的涂布液形成厚的涂膜时，也能够完全防止由于液体流挂而形成液体池，当通过浸涂法制造电子照相感光体，以提供通过制造方法获得的电子照相感光体，并提供使用电子照相感光体的图像形成装置。解决方案：通过浸涂法在导电性基材上形成功能层的电子照相感光体的制造方法的特征在于，在涂布容器的上方设置有具有网状壁面的中空挡风装置其中存储用于形成功能层的涂布液; 浸渍在涂布液中的导电性基板以第一拉拔速度被拉起，直到基板下端紧接着从涂布液分离出来，然后以低于第一上拉速度的第二速度完全拉出速度，将所得到的基板在挡风装置的中空部分干燥。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005234141A Electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，制造电子照相机的方法，工艺盒和电子照相设备
公开(公告)号：JP2005234141A
公开(公告)日：2005-09-02
申请号：JP2004042029
申请日：2004-02-18
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： INOUE KENJI , MIYAMOTO MASAHIKO , YAMADA TAKASHI , AIDA MICHIKO , SUZUKI TAKAHIRO , NAKAMURA KAZUYUKI , BANDO KOJI
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor in which an image defect such as fog is sufficiently reduced, and to provide a method for manufacturing the photoreceptor. SOLUTION: The electrophotographic photoreceptor comprises a conductive substrate and a charge generating layer formed on the conductive substrate, wherein the charge generating layer is obtained by heating at ≥130°C, contains a phthalocyanine pigment and a binder resin, and shows ≤89° contact angle of the surface with pure water. COPYRIGHT: (C)2005,JPO&NCIPI

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