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1. 发明专利

JP2011090247A Method for manufacturing electrophotographic photoreceptor 审中-公开
标题翻译：制造电子照相光电子的方法
公开(公告)号：JP2011090247A
公开(公告)日：2011-05-06
申请号：JP2009245259
申请日：2009-10-26
申请人： Canon Inc , キヤノン株式会社
发明人： KUNO JUNPEI , KITAMURA KO , TAKAGI SHINJI , TSUJI HARUYUKI
IPC分类号： G03G5/00 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic photoreceptor that can output an image free of image defects such as unevenness, stripes and fog on the image.
SOLUTION: The method for manufacturing a photoreceptor, which includes an intermediate layer containing a thermosetting resin and metal oxide particles, and a photosensitive layer on a support and which is charged by applying a voltage to a charging member disposed in contact with the photoreceptor, includes: (1) an intermediate layer-forming step of applying a coating liquid for the intermediate layer on the support; (2) a step of applying a voltage to induce a current by bringing a conductive member into contact or close to the coating film surface at an end of the intermediate layer after formed; and (3) a photosensitive layer-forming step of applying a coating liquid for the photosensitive layer on the intermediate layer after the step (2).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够输出图像上没有像不均匀，条纹和雾的图像缺陷的图像的电子照相感光体的制造方法。解决方案：用于制造感光体的方法，其包括含有热固性树脂和金属氧化物颗粒的中间层和在载体上的感光层，并且通过向与感光体包括：（1）中间层形成步骤，将中间层用涂布液涂布在载体上; （2）通过使导电部件在形成后的中间层的端部与涂膜表面接触或接近而施加电压而引起电流的步骤; 和（3）在步骤（2）之后，在中间层上涂布用于感光层的涂布液的感光层形成步骤。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2009047999A Process cartridge and electrophotographic apparatus 审中-公开
标题翻译：过程盒和电子绘图设备
公开(公告)号：JP2009047999A
公开(公告)日：2009-03-05
申请号：JP2007214879
申请日：2007-08-21
申请人： Canon Inc , キヤノン株式会社
发明人： KITAMURA KO , KUNO JUNPEI , SHIDA KAZUHISA
IPC分类号： G03G5/05 , G03G5/147 , G03G9/08 , G03G9/083
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge which maintains stable image characteristics through duration by inhibiting the growth of a flaw while retaining moderate abrasion property. SOLUTION: In the process cartridge, a surface layer of an electrophotographic photoreceptor contains a polycarbonate resin having a weight average molecular weight of 7.5×10 3 -3.7×10 4 , and a toner has toner particles containing at least a binder resin and iron oxide, wherein (1) the ratio of a content (B) of iron element to a content (A) of carbon element existing on the toner surface measured by X-ray photoelectron spectroscopic analysis (B/A) is COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种处理盒，其通过在保持适度的磨损性能的同时抑制缺陷的生长而在持续时间内保持稳定的图像特性。解决方案：在处理盒中，电子照相感光体的表面层含有重均分子量为7.5×10 3 SP 3 -3.7×10 SP 3的聚碳酸酯树脂 >，并且调色剂具有至少含有粘合剂树脂和氧化铁的调色剂颗粒，其中（1）通过X测量铁素元素的含量（B）与存在于调色剂表面上的碳元素的含量（A）的比例光电子能谱分析（B / A）<0.001，（2）当调色剂的投影面积当量直径定义为C，氧化铁与调色剂表面之间的距离的最小值在横截面观察中使用透射电子显微镜（TEM）的调色剂定义为D，满足D /C≤0.02的关系的调色剂颗粒占数≥50％，（3）调色剂的平均圆形度为≥0.970。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008175979A Process cartridge, electrophotographic apparatus and image forming method 审中-公开
标题翻译：过程盒，电子照相设备和图像形成方法
公开(公告)号：JP2008175979A
公开(公告)日：2008-07-31
申请号：JP2007008286
申请日：2007-01-17
申请人： Canon Inc , キヤノン株式会社
发明人： HIRANO HIDETOSHI , OKUDA ATSUSHI , TSUJI HARUYUKI , KITAMURA KO , KUNO JUNPEI , ANEZAKI TAKASHI
IPC分类号： G03G5/05 , G03G5/147 , G03G9/08 , G03G9/083
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge which excels in image reproducibility and substantially avoids faulty CLN and blade curling. SOLUTION: In the process cartridge, a toner comprises toner particles containing a binder resin and iron oxide, wherein (1) a ratio of a content (B) of elemental iron to a content (A) of elemental carbon present in a toner surface measured by X-ray photoelectron spectroscopic analysis, B/A is COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种处理盒，其图像再现性优异并且基本上避免了错误的CLN和叶片卷曲。解决方案：在处理盒中，调色剂包含含有粘合剂树脂和氧化铁的调色剂颗粒，其中（1）元素铁含量（B）与存在于调色剂表面通过X射线光电子能谱分析测定，B / A为<0.001，（2）满足D /C≤0.02的关系的调色剂占数≥50％，其中C表示调色剂的投影面积当量直径，D表示使用透射电子显微镜（TEM）观察调色剂的截面时的氧化铁与调色剂表面的最小距离，（3）调色剂的平均圆形度为≥0.970，表面电子照相感光体层包含具有特定结构的聚碳酸酯聚合物。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007003800A 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：JP2007003800A
公开(公告)日：2007-01-11
申请号：JP2005183452
申请日：2005-06-23
申请人： Canon Inc , キヤノン株式会社
发明人： KITAMURA KO , HIRANO HIDETOSHI , KUNO JUNPEI , OKUDA ATSUSHI , SEKIYA MICHIYO
IPC分类号： G03G5/06 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having such high mechanical strength as wear and scuffing resistances and excellent in repetition stability even at low temperature and low humidity, and a process cartridge and an electrophotographic apparatus with the electrophotographic photoreceptor. SOLUTION: The electrophotographic photoreceptor has at least a charge generating layer and a hole transport layer in this order on a conductive support, wherein at least one of hole transport materials contained in the hole transport layer is a hole transport material having a specific structure and a molecular weight of 1,500-4,000, and the hole transport material having the specific structure and the molecular weight of 1,500-4,000 occupies 90-100 mass% of the total mass of the hole transport materials contained in the hole transport layer. The electrophotographic photoreceptor satisfies specific provisions. The process cartridge and the electrophotographic apparatus with the electrophotographic photoreceptor are also provided. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供即使在低温和低湿度下也具有如耐磨性和抗划伤性等优异的重复稳定性的电子照相感光体，以及具有电子照相感光体的处理盒和电子照相设备。解决方案：电子照相感光体在导电性支持体上依次具有至少电荷产生层和空穴传输层，其中包含在空穴传输层中的空穴传输材料中的至少一种是具有特定的空穴传输材料的空穴传输材料结构和分子量为1,500-4,000，具有特定结构和分子量为1,500-4,000的空穴传输材料占空穴传输层中所含的空穴传输材料的总质量的90-100质量％。电子照相感光体满足特定的要求。还提供了具有电子照相感光体的处理盒和电子照相设备。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2014063119A Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
标题翻译：电子感光元件，工艺盒和电子照相设备
公开(公告)号：JP2014063119A
公开(公告)日：2014-04-10
申请号：JP2013009496
申请日：2013-01-22
申请人： Canon Inc , キヤノン株式会社
发明人： NISHIDA TAKESHI , KUNO JUNPEI , TOGUCHI KANAME , KAWAHARA MASATAKA , TANAKA MASATO
IPC分类号： G03G5/06 , G03G5/05 , G03G5/14
CPC分类号： G03C1/735 , G03G5/0612 , G03G5/0614 , G03G5/0637 , G03G5/0668 , G03G5/067 , G03G5/0696 , G03G5/09 , G03G5/142 , G03G15/751 , G03G21/1814
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photosensitive member that inhibits the occurrence of photo memory, and a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member.SOLUTION: A charge generating layer of an electrophotographic photosensitive member includes a phthalocyanine pigment and a specific tricyanoethylene compound, and/or, an undercoat layer of the electrophotographic photosensitive member includes a specific tricyanoethylene compound, and the charge generating layer includes the phthalocyanine pigment.
摘要翻译：要解决的问题：提供抑制光存储器发生的电子照相感光构件，以及各自包括电子照相感光构件的处理盒和电子照相设备。解决方案：电子照相感光构件的电荷产生层包括酞菁颜料和特定的三亚甲基亚乙烯化合物和/或电子照相感光构件的底涂层包括特定的三亚甲基乙烯化合物，并且电荷产生层包括酞菁颜料。

6. 发明专利

JP2010210909A Method of inspecting electrophotographic photoreceptor 审中-公开
标题翻译：检查电子照相机的方法
公开(公告)号：JP2010210909A
公开(公告)日：2010-09-24
申请号：JP2009056596
申请日：2009-03-10
申请人： Canon Inc , キヤノン株式会社
发明人： KUNO JUNPEI , KITAMURA KO , HIRANO HIDETOSHI
IPC分类号： G03G21/00 , G01B7/34 , G01B11/30 , G01N21/952 , G01N27/02 , G03G5/00
摘要： PROBLEM TO BE SOLVED: To provide a method of inspecting an electrophotographic photoreceptor of improved accuracy without reducing the productivity. SOLUTION: In a first step of optical inspection, white light is radiated to the electrophotographic photoreceptor, and the existence of a false defect of a photoreceptor is determined based on the current value measured when its reflected light is measured. In a first step of electric inspection, a conductive roller is pressure-contacted to the photoreceptor surface, direct voltage is applied while the photoreceptor is rotated, the current flowing from the conductive roller to the photoreceptor is measured, and the existence of a defect of the photoreceptor is determined based on the measured current value. In a second step of optical inspection, a laser light is radiated to only a photoreceptor where a false defect is detected in the first step of optical inspection and no defect is detected in the first step of electric inspection, among inspected photoreceptors; the reflected light of the light is measured; and the existence of a false defect of the photoreceptor is determined based on the measured current value. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在不降低生产率的情况下提高精度来检查电子照相感光体的方法。解决方案：在光学检查的第一步骤中，将白光照射到电子照相感光体上，并且基于当测量其反射光时测量的当前值来确定感光体的假缺陷的存在。在电气检查的第一步骤中，导电辊与感光体表面压力接触，同时在感光体旋转的同时施加直流电压，测量从导电辊流到感光体的电流，并且存在缺陷基于测量的电流值来确定感光体。在光学检查的第二步骤中，在被检查的光感受器中，仅在光学检查的第一步骤中仅检测到虚假缺陷的感光体并且在电检查的第一步骤中没有检测到缺陷，测量光的反射光; 并且基于测量的电流值来确定感光体的假缺陷的存在。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010169571A Inspection method of electrophotographic photoreceptor 审中-公开
标题翻译：电子照相光电子检测方法
公开(公告)号：JP2010169571A
公开(公告)日：2010-08-05
申请号：JP2009013124
申请日：2009-01-23
申请人： Canon Inc , キヤノン株式会社
发明人： HIRANO HIDETOSHI , KITAMURA KO , KUNO JUNPEI
IPC分类号： G01N27/20 , G03G5/00
摘要： PROBLEM TO BE SOLVED: To provide an inspection method of an electrophotographic photoreceptor capable of detecting accurately a fine defect actualized by repeated use.
SOLUTION: This inspection method of the electrophotographic photoreceptor having a photosensitive layer on a conductive support includes: the first process wherein a first conductive roller is pressure-contacted onto the surface of the electrophotographic photoreceptor, and a DC voltage is applied thereto, while rotating the electrophotographic photoreceptor, and light sensitive to the electrophotographic photoreceptor is irradiated onto a discharge domain generated between the conductive roller and the electrophotographic photoreceptor; the second process wherein, after the first process, a second conductive roller is pressure-contacted onto the surface of the electrophotographic photoreceptor, and a DC voltage is applied to the electrophotographic photoreceptor; and a process wherein the value of a current flowing into the electrophotographic photoreceptor from the conductive roller in the second process is measured by a current measuring means, and existence of a defect of the electrophotographic photoreceptor is determined based on the measured current value.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够精确地检测重复使用所实现的精细缺陷的电子照相感光体的检查方法。解决方案：在导电支撑体上具有感光层的电子照相感光体的这种检查方法包括：第一工艺，其中第一导电辊与电子照相感光体的表面压力接触，并向其施加直流电压，同时旋转电子照相感光体并且对电子照相感光体的光敏照射到在导电辊和电子照相感光体之间产生的放电畴上; 第二工序，其中在第一工序之后，将第二导电辊压接在电子照相感光体的表面上，并将DC电压施加到电子照相感光体上; 以及其中通过电流测量装置测量在第二工艺中从导电辊流入电子照相感光体的电流值，并且基于测量的电流值确定电子照相感光体的缺陷的存在。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2010134222A Electrophotographic photoreceptor 有权
标题翻译：电子照相机
公开(公告)号：JP2010134222A
公开(公告)日：2010-06-17
申请号：JP2008310605
申请日：2008-12-05
申请人： Canon Inc , キヤノン株式会社
发明人： KAWAHARA MASATAKA , MARUYAMA AKIO , TANAKA MASATO , SEKIYA MICHIYO , KUNO JUNPEI
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor reducing sensitivity fluctuation during long-term duration and exhibiting excellent short-term potential fluctuation in use at high-speed rotation in a low temperature environment. SOLUTION: In the electrophotographic photoreceptor having an intermediate layer and a photosensitive layer formed on the intermediate layer on an electroconductive support, the intermediate layer contains a resin including repeating units represented by following general formula (1), and a content of the repeating units in the intermediate layer is 20 mass% or more. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在长期持续时间内降低灵敏度波动的电子照相感光体，并且在低温环境中在高速旋转中使用时具有优异的短期电位波动。解决方案：在具有形成在导电载体上的中间层上的中间层和感光层的电子照相感光体中，中间层包含含有由以下通式（1）表示的重复单元的树脂，中间层中的重复单元为20质量％以上。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009031418A 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：JP2009031418A
公开(公告)日：2009-02-12
申请号：JP2007193442
申请日：2007-07-25
申请人： Canon Inc , キヤノン株式会社
发明人： HIRANO HIDETOSHI , OKUDA ATSUSHI , KUNO JUNPEI , ANEZAKI TAKASHI
IPC分类号： G03G5/02 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor free from occurrence of black spots, interference fringes, moire or the like, and to provide a process cartridge and an electrophotographic device having the electrophotographic photoreceptor. SOLUTION: The electrophotographic photoreceptor comprises at least a support body, a base layer formed on the support and a photosensitive layer formed on the base layer, and is characterized in that: the support has a 10-point average surface roughness (Rzjis) of not more than 2.0 μm; the surface of the base layer has concave portions having a depth of from 0.5 μm to 1.5 μm by not less than 10 in number per 100 μm square; the average interval RSm(C) of the irregular pattern measured in the circumference direction of the base layer ranges from 0.5 μm to 20 μm; the average interval RSm (c) of the irregular pattern measured in a direction of the generatrix of the base layer ranges from 0.5 μm to 20 μm; and projections having a height of not less than 5.0 μm from the aperture plane of the recesses are present by not more than 10 in number on the surface of the base layer. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供不发生黑点，干涉条纹，莫尔条纹等的电子照相感光体，并提供具有电子照相感光体的处理盒和电照相装置。解决方案：电子照相感光体至少包括支撑体，形成在支撑体上的基底层和形成在基底层上的感光层，其特征在于：支撑体具有10点的平均表面粗糙度（Rzjis ）不大于2.0μm; 基底层的表面具有深度为0.5μm至1.5μm的凹部，其数量不小于每100μm平方的10个; 在基层的圆周方向上测量的不规则图案的平均间隔RSm（C）为0.5μm〜20μm; 基底层母线方向测量的不规则图案的平均间隔RSm（c）为0.5μm〜20μm; 并且在凹部的开口面上具有不小于5.0μm的高度的突起在基层的表面上的数量不超过10个。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008287076A Process cartridge and electrophotographic apparatus 有权
标题翻译：过程盒和电子绘图设备
公开(公告)号：JP2008287076A
公开(公告)日：2008-11-27
申请号：JP2007132939
申请日：2007-05-18
申请人： Canon Inc , キヤノン株式会社
发明人： KUNO JUNPEI , OGAKI HARUNOBU , UESUGI HIROTOSHI , ANEZAKI TAKASHI , TANIGUCHI TOMOJI
IPC分类号： G03G5/047 , G03G5/147 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge that achieves stabilization of charging uniformity in a long-term use, when charged by a charging member with small surface roughness. SOLUTION: The process cartridge includes a photoreceptor and a contact charging member and is removably attached to an apparatus body. In the process cartridge, the photoreceptor has recesses on a surface, and a major axis diameter of the surface opening of each recess is ≤10 μm and a minor axis diameter thereof is ≤1.0 μm. Also, a distance between the deepest part and the opening surface of each recess is ≥0.3 μm. A square region B with a side of 100 μm parallel to the rotation direction is arranged in a region A of totaled 100 places, which are obtained by quadrisectioning the photoreceptor surface in the rotation direction and equally dividing the surface into 25 sections in the direction perpendicular to the rotation direction. When equally divided into 500 sections by 499 straight lines perpendicular to the rotation direction of each region B, the sections of ≥400 lines among 499 straight lines are overlapped with the recesses in each region B, and the ten point average roughness of the surface of the charging member is smaller than 5.0 μm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种处理盒，其在长期使用中实现充电均匀性的稳定，当由具有小表面粗糙度的充电部件充电时。解决方案：处理盒包括感光体和接触充电部件，并且可移除地连接到设备主体。在处理盒中，感光体在表面上具有凹槽，并且每个凹槽的表面开口的长轴直径≤10μm，短轴直径≤1.0μm。此外，每个凹部的最深部分和开口表面之间的距离≥0.3μm。在共计100个位置的区域A中布置平行于旋转方向的100μm的正方形区域B，该区域A通过沿着旋转方向四维照射感光体表面并将表面在垂直方向上等分成25个部分到旋转方向。当垂直于每个区域B的旋转方向等分成500个区间，直线为499个直线时，499条直线之间≥400行的区域与每个区域B中的凹槽重叠，并且表面的十点平均粗糙度充电部件小于5.0μm。版权所有（C）2009，JPO＆INPIT

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