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21. 发明专利

JP2005106968A Method for manufacturing coating material for charge generation layer 审中-公开
标题翻译：用于制造充电发生层的涂料的方法
公开(公告)号：JP2005106968A
公开(公告)日：2005-04-21
申请号：JP2003337702
申请日：2003-09-29
申请人： Canon Inc , キヤノン株式会社
发明人： HIRANO HIDETOSHI , NAKAMURA KAZUNARI , OKUDA ATSUSHI , UESUGI HIROTOSHI
IPC分类号： G03G5/05 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a coating material for a charge generation layer, the coating material containing a pigment as uniformly and stably dispersed fine particles and having excellent stability even during circulation.
SOLUTION: The coating material for a charge generation layer is used to manufacture a layered type electrophotographic photoreceptor having at least two layers of a charge generation layer and a charge transport layer on a conductive supporting body. In the method for manufacturing the above coating material, the coating material for a charge generation layer to be used to form the above charge generation layer contains gallium phthalocyanine and the content of a binder resin for the coating material for a charge generation layer is
摘要翻译：要解决的问题：为了提供一种电荷产生层用涂料的制造方法，该涂料含有均匀且稳定地分散细颗粒的颜料，并且即使在循环中也具有优异的稳定性。解决方案：用于电荷产生层的涂层材料用于制造在导电支撑体上具有至少两层电荷产生层和电荷输送层的层状电照相感光体。在上述涂料的制造方法中，用于形成上述电荷产生层的电荷产生层用涂料含有镓酞菁，电荷产生层用涂料的粘合剂树脂的含量为<60 质量％的电荷产生材料。颜料和粘合剂树脂在总分散时间的≥70％的时间内分散在10℃至40℃。版权所有（C）2005，JPO＆NCIPI

22. 发明专利

JP2004239955A Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2004239955A
公开(公告)日：2004-08-26
申请号：JP2003026007
申请日：2003-02-03
申请人： Canon Inc , キヤノン株式会社
发明人： NAKAMURA KAZUNARI , UESUGI HIROTOSHI , HIRANO HIDETOSHI , OKUDA ATSUSHI , FUKAYA KUNIHISA , YAMAZAKI ITARU
IPC分类号： G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which is excellent in potential stability while retaining high sensitivity in any environment, particularly high sensitivity characteristics in the wavelength range of a semiconductor laser and forms an image free of image defects, and to provide a process cartridge comprising the electrophotographic photoreceptor, and an electrophotographic apparatus.
SOLUTION: In the electrophotographic photoreceptor having a photosensitive layer on a conductive support, the photosensitive layer contains a hydroxygallium phthalocyanine pigment, an oxytitanium phthalocyanine pigment and an azo compound, wherein the content of the oxytitanium phthalocyanine pigment is 0.005 to
摘要翻译：要解决的问题：提供一种电子稳定性优异的电子照相感光体，同时在任何环境中保持高灵敏度，特别是在半导体激光器的波长范围内的高灵敏度特性，并形成没有图像缺陷的图像，并且提供一种包括电子照相感光体和电子照相设备的处理盒。解决方案：在导电载体上具有感光层的电子照相感光体中，感光层含有羟基镓酞菁颜料，氧钛酞菁颜料和偶氮化合物，其中氧钛酞菁颜料的含量为0.005〜0.5质量％羟基镓酞菁颜料的含量％和偶氮化合物的含量为酞菁颜料含量的0.1〜10质量％。版权所有（C）2004，JPO＆NCIPI

23. 发明专利

JP2004151349A Electrophotographic photoreceptor 有权
公开(公告)号：JP2004151349A
公开(公告)日：2004-05-27
申请号：JP2002316178
申请日：2002-10-30
申请人： Canon Inc , キヤノン株式会社
发明人： NAKAMURA KAZUNARI , MIKI NOBUMICHI , UESUGI HIROTOSHI , OSADA MIYAKO , TANABE MIKI , YAMAZAKI ITARU
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having stable potential and image properties under entire atmosphere from low temperature and low humidity to high temperature and high humidity.
SOLUTION: In the photoreceptor in which an intermediate layer and photosensitive layer are laminated in turn on a conductive supporting body, the intermediate layer contains two or more kinds of conductive particles different in the primary particle diameter, the ratio A:B between the largest and the smallest average particle diameters A and B is 12:1-30:1, and the B is ≤0.05 μm. A content of the conductive particle in the intermediate layer is ≥25 vol% and ≤50 vol%, and the ratio of the A is ≤15%. The volume resistance value of the intermediate layer at 23°C/55 RH% is 1×10E5 to 1×10E7 Ωcm.
COPYRIGHT: (C)2004,JPO

24. 发明专利

JP2004145100A Electrophotographic device and process cartridge 审中-公开
公开(公告)号：JP2004145100A
公开(公告)日：2004-05-20
申请号：JP2002311094
申请日：2002-10-25
申请人： Canon Inc , キヤノン株式会社
发明人： OSADA MIYAKO , NAKAMURA KAZUNARI , MIKI NOBUMICHI , UESUGI HIROTOSHI , TANABE MIKI , YAMAZAKI ITARU
IPC分类号： G03G5/047 , G03G5/05 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic device and a process cartridge excellent in a cleaning performance without using lubricant inside or on a photoreceptor layer, and capable of supplying a high definition image while maintaining high image quality without causing a defective image and the characteristic deterioration at repeatedly outputting images, as for the electrophotographic device using small grain toner.
SOLUTION: In an electrophotographic device equipped with a cleaning means constituted so that the contact pressure of a cleaning blade against an electrophotographic photoreceptor is ≥60 g/cm, an organic photoconductive photoreceptor is used as the electrophotographic photoreceptor for the electrophotographic device and the process cartridge. Besides, the contact angle of the surface with respect to deionized water is 60-85°, and the dynamic friction coefficient to the cleaning blade is 0.2-1.4. In the electrophotographic device using the small grain toner, the electrophotographic device and the process cartridge excellent in the cleaning performance without using the lubricant inside or on the photosensitive layer, and capable of supplying the image of high image quality and high definition without causing defective image and deterioration of characteristics at the time of repeatedly outputting images can be obtained.
COPYRIGHT: (C)2004,JPO

25. 发明专利

JP2009058788A Electrophotographic apparatus 审中-公开
标题翻译：电子照相设备
公开(公告)号：JP2009058788A
公开(公告)日：2009-03-19
申请号：JP2007226335
申请日：2007-08-31
申请人： Canon Inc , キヤノン株式会社
发明人： SHIDA KAZUHISA , TAKAGI SHINJI , UESUGI HIROTOSHI , KITAMURA KO
IPC分类号： G03G5/14 , G03G5/04
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic apparatus which achieves both higher resolution and leak resistance even when a DC contact charging method is adopted.
SOLUTION: The electrophotographic apparatus includes: an electrophotographic photoreceptor obtained by disposing a conductive layer, a barrier layer and a photosensitive layer in this order on a support; a charging member arranged in contact with the electrophotographic photoreceptor; and a charging means for charging the electrophotographic photoreceptor by applying only a DC voltage to the charging member, wherein the photosensitive layer has a thickness of ≤12 μm and the conductive layer has an average thickness of ≥27 μm and a volume resistivity of ≥1.0×10
5 and 8 Ω cm.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在采用直流接触充电方法的情况下，也提供即使达到高分辨率和耐漏电性的电子照相设备。电子照相设备包括：通过在支撑体上依次设置导电层，阻挡层和感光层而获得的电子照相感光体; 布置成与电子照相感光体接触的充电部件; 以及充电装置，用于通过仅向充电部件施加DC电压来对电子照相感光体进行充电，其中感光层的厚度≤12μm，导电层的平均厚度≥27μm，体积电阻率≥1.0 ×10 5 和<1.0×10 8 Ωcm。版权所有（C）2009，JPO＆INPIT

26. 发明专利

JP2009031502A Electrophotographic photoreceptor, process cartridge, and electrophotographic device 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2009031502A
公开(公告)日：2009-02-12
申请号：JP2007194728
申请日：2007-07-26
申请人： Canon Inc , キヤノン株式会社
发明人： MIURA DAISUKE , UESUGI HIROTOSHI , OGAKI HARUNOBU , MIKI NOBUMICHI
IPC分类号： G03G5/05 , G03G5/047 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that hardly produces sliding friction memory, a process cartridge and electrophotographic device using it.
SOLUTION: This electrophotographic photoreceptor has a photosensitive layer on the base, a recessed section on the surface layer, and a ratio (Rdv/Rpc) of 1.0 or less when representing the short axis diameter of the recessed section by Rpc and the depth showing the distance between the deepest section and the aperture surface of the recessed section by Rdv, and contains a compound containing repeating units having groups shown in expression (1) in the surface layer, where Rf
11 is a single bond of a fluoroalkyl group and a fluoro alkylene group, R
11 a single bond of an alkylene group and an arylene group. This process cartridge and the electrophotographic device use this photoreceptor.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供几乎不产生滑动摩擦记忆的电子照相感光体，使用它的处理盒和电子照相装置。解决方案：该电子照相感光体在基底上具有感光层，在表面层上具有凹陷部分，并且当通过Rpc表示凹部的短轴直径时，比率（Rdv / Rpc）为1.0以下其深度示出了Rdv的凹陷部分的最深部分和孔表面之间的距离，并且包含在表面层中含有表达式（1）所示基团的重复单元的化合物，其中Rf 11 为氟烷基和氟亚烷基的单键，R 11是亚烷基和亚芳基的单键。该处理盒和电子照相装置使用该感光体。版权所有（C）2009，JPO＆INPIT

27. 发明专利

JP2008026482A Electrophotographic photoreceptor 审中-公开
标题翻译：电子照相机
公开(公告)号：JP2008026482A
公开(公告)日：2008-02-07
申请号：JP2006197031
申请日：2006-07-19
申请人： Canon Inc , キヤノン株式会社
发明人： KUMOI HIROFUMI , UESUGI HIROTOSHI , TAKAGI SHINJI , ABE YUKIHIRO , MIURA DAISUKE
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor without causing any image defects such as black points, white points and density dilution even in use under environments in which temperature and humidity are remarkably different by further improving the conductivity of a conductive layer using oxygen deficient tin oxide having excellent reuse properties and conductivity, thereby improving the environmental variation in the resistance of an intermediate layer as the upper layer of the conductive layer in the electrophotographic photoreceptor, in which the conductive layer and the intermediate layer are formed in this order on a substrate as the lower layer of a photosensitive layer.
SOLUTION: In the electrophotographic photoreceptor having the conductive layer, the intermediate layer and the photosensitive layer in this order on the substrate, and the conductive layer contains metal oxide particles and a binder resin. In the electrophotographic photoreceptor, the metal oxide particles are titanium oxide particles coated with oxygen deficient tin oxide, the film thickness of the conductive layer is 10 to 25 μm, and the conductive layer comprises inorganic particles not subjected to conduction treatment.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供电子照相感光体，即使在温度和湿度显着不同的环境下，即使在使用时也不会引起黑点，白点和密度稀释等图像缺陷，从而进一步提高导电层的导电性使用具有优异的再利用性和导电性的氧缺氧氧化锡，从而改善作为导电层和中间层形成的电子照相感光体中的导电层的上层的中间层的电阻的环境变化在基板上作为感光层的下层。解决方案：在基片上具有导电层，中间层和感光层的电子照相感光体中，导电层含有金属氧化物颗粒和粘结剂树脂。在电子照相感光体中，金属氧化物粒子是涂有缺氧氧化锡的氧化钛粒子，导电层的膜厚为10〜25μm，导电层为不进行导电处理的无机粒子。版权所有（C）2008，JPO＆INPIT

28. 发明专利

JP2008026478A Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2008026478A
公开(公告)日：2008-02-07
申请号：JP2006197027
申请日：2006-07-19
申请人： Canon Inc , キヤノン株式会社
发明人： ABE YUKIHIRO , UESUGI HIROTOSHI , KUMOI HIROFUMI , TAKAGI SHINJI , MIURA DAISUKE
IPC分类号： G03G5/14 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To suppress deterioration of charging ability after duration with respect to a thin film CT disadvantageous to charging ability.
SOLUTION: An electrophotographic photoreceptor is provided which has a conductive layer, an intermediate layer, a charge generating layer and a charge transport layer in this order on a support, wherein the charge transport layer contains a polyarylate resin, the conductive layer contains a binder resin and conductive particles which are TiO
2 particles coated with oxygen-deficient SnO
2 and have an average particle diameter of 0.2-0.6 μm, and the conductive layer has a thickness of 10-25 μm.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了抑制对于不利于充电能力的薄膜CT的持续时间后的充电能力的劣化。解决方案：提供了一种在载体上依次具有导电层，中间层，电荷产生层和电荷传输层的电子照相感光体，其中电荷输送层含有多芳基化合物树脂，导电层含有粘合剂树脂和导电颗粒，其是用氧缺乏SnO 2 SB涂覆并且具有0.2-0.6μm的平均粒径的TiO 2 SBB颗粒，并且导电层具有厚度为10-25微米。版权所有（C）2008，JPO＆INPIT

29. 发明专利

JP2007178814A Electrophotographic photoreceptor, process cartridge and electrophotographic device 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2007178814A
公开(公告)日：2007-07-12
申请号：JP2005378556
申请日：2005-12-28
申请人： Canon Inc , キヤノン株式会社
发明人： KUNO JUNPEI , UESUGI HIROTOSHI , FUKAYA KUNIHISA , OKUDA ATSUSHI
IPC分类号： G03G5/147 , G03G5/05 , G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of maintaining high transfer efficiency for a long period without increasing a transfer current, producing a favorable images and particularly suitable for a color electrophotographic device. SOLUTION: The electrophotographic photoreceptor has a photosensitive layer on a support, wherein the surface layer of the photoreceptor contains organopolysiloxane having a repeating structural unit α, a repeating structural unit β and a branched repeating structural unit γ. The present invention provides a process cartridge and an electrophotographic device having the above electrophotographic photoreceptor. In the formulae, each of R 11 , R 12 and R 13 represents a monovalent hydrocarbon group; each of B 1 and B 2 represents a monovalent organic group having a perfluoroalkyl group; each of D 1 and D 2 represents a monovalent organic group or the like having a polystyrene chain with a polymerization degree of 3 or more; and X 1 represents R 13 , B 2 or D 2 . COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够长时间保持高转印效率而不增加转印电流的电子照相感光体，产生良好的图像，特别适用于彩色电子照相装置。电子照相感光体在支持体上具有感光层，其中感光体的表面层含有具有重复结构单元α的有机聚硅氧烷，重复结构单元β和支化重复结构单元γ。本发明提供一种具有上述电子照相感光体的处理盒和电照相装置。在该式中，R 11，R 12和R 13中的每一个表示一价烃基; B 1 和B 2 中的每一个表示具有全氟烷基的一价有机基团; D 1 和D 2 中的每一个表示具有聚合度为3以上的聚苯乙烯链的一价有机基团等; 而X 1 表示R 13 ，B 2 或D 2 。版权所有（C）2007，JPO＆INPIT

30. 发明专利

JP2007047736A Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing electrophotographic photosensitive member 有权
标题翻译：电子照相感光元件，工艺盒和电子照相设备，以及生产电子摄影成像的方法
公开(公告)号：JP2007047736A
公开(公告)日：2007-02-22
申请号：JP2006072177
申请日：2006-03-16
申请人： Canon Inc , キヤノン株式会社
发明人： NAKAMURA KAZUNARI , HIRANO HIDETOSHI , UESUGI HIROTOSHI , KUMOI HIROFUMI , TAKAGI SHINJI , ABE YUKIHIRO , KUNO JUNPEI , MIURA DAISUKE
IPC分类号： G03G5/14 , G03G5/00 , G03G5/10 , G03G15/02 , G03G21/00
CPC分类号： G03G5/104 , G03G5/144 , G03G15/751
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photosensitive member that can keep charging lines from occurring. SOLUTION: The electrophotographic photosensitive member comprises a support, a conductive layer formed on the support, an intermediate layer formed on the conductive layer, and a photosensitive layer on the intermediate layer. The conductive layer is formed by using a coating fluid for a conductive layer which contains TiO 2 particles coated with oxygen-deficient SnO 2 having an average particle diameter of 0.20 to 0.60 μm. The volume resistivity of the conductive layer is more than 8.0×10 8 Ω cm to 1.0×10 11 Ω cm or less. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供可以保持充电线不发生的电子照相感光构件。解决方案：电子照相感光构件包括支撑体，形成在支撑体上的导电层，形成在导电层上的中间层和中间层上的感光层。导电层通过使用包含平均粒径为0.20〜0.60μm的含有氧缺乏SnO 2 SBS的TiO 2 SB 粒子的导电层用涂布液而形成。。导电层的体积电阻率大于8.0×10 8 Ωcm至1.0×10 11 Ωcm或更小。版权所有（C）2007，JPO＆INPIT

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