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公开(公告)号：US10234795B2
公开(公告)日：2019-03-19
申请号：US15873947
申请日：2018-01-18
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yasutaka Yagi
Abstract: The image forming apparatus includes a photosensitive member configured to bear a toner image, the photosensitive member having a surface layer containing acrylic resin, and an intermediate transfer member configured to secondarily transfer the toner image having been primarily transferred from the photosensitive member onto a transfer material, the intermediate transfer member having a surface layer containing acrylic resin and having a ten-point average roughness Rz set within a range of 0.35 μm≤Rz≤1.5 μm.
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公开(公告)号：US20180275536A1
公开(公告)日：2018-09-27
申请号：US15920174
申请日：2018-03-13
Applicant: KYOCERA CORPORATION
Inventor： Tomomi FUKAYA
CPC classification number: G03G5/0217 , G03G5/08235 , G03G5/0825 , G03G5/102 , G03G5/144 , G03G5/14704 , G03G7/0013 , G03G15/751
Abstract: An electrophotographic photoreceptor includes: a cylindrical base body having a two-step stepped chamfer between a base body outer peripheral face and a base body end face; and a surface layer located on the base body outer peripheral face. The cylindrical base body has an outer chamfered face and an inner chamfered face lying closer to an end face than the outer chamfered face. A length L2 of the inner chamfered face is larger than a length L1 of the outer chamfered face, namely L1
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3.发明授权Electrophotographic member, process cartridge, and electrophotographic apparatus 有权电子照相元件，处理盒和电子照相设备公开(公告)号：US09581931B2
公开(公告)日：2017-02-28
申请号：US14708940
申请日：2015-05-11
Applicant: CANON KABUSHIKI KAISHA
Inventor： Masaki Yamada , Sosuke Yamaguchi , Kazuhiro Yamauchi , Satoru Nishioka
CPC classification number: G03G15/08 , G03G5/0528 , G03G5/071 , G03G5/107 , G03G15/02 , G03G15/0233 , G03G15/0818 , G03G15/1685
Abstract: Provided is an electrophotographic member conducive to the formation of a high-quality electrophotographic image, the member showing a small increase in resistance even after long-term electrification under a high-temperature and high-humidity environment, and a process cartridge and an electrophotographic apparatus each including the electrophotographic member as a charging member and/or a developer carrying member. Specifically, provided is an electrophotographic member including a substrate and an electro-conductive layer, in which the electro-conductive layer contains a resin having a structure unit represented by the following structural formula (1) and a specific anion: in the structural formula (1), R1 represents a hydrogen atom or a methyl group, and Z represents a cationic organic group.
Abstract translation: 提供一种有助于形成高质量电子照相图像的电子照相构件，即使在高温和高湿度环境下长期带电之后，该构件也显示出小的电阻增加，以及处理盒和电子照相设备 每个包括作为充电构件的电子照相构件和/或显影剂承载构件。 具体地说，提供了一种包括基板和导电层的电子照相构件，其中导电层含有具有由以下结构式（1）表示的结构单元的树脂和特定阴离子：在结构式（ 1）中，R 1表示氢原子或甲基，Z表示阳离子性有机基团。
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4.发明授权公开(公告)号：US08991053B2
公开(公告)日：2015-03-31
申请号：US13915563
申请日：2013-06-11
Applicant: Canon Kabushiki Kaisha
Inventor： Hiroaki Watanabe , Masaaki Harada , Takumi Furukawa , Keiji Nose , Kenya Terada
CPC classification number: G03G5/02 , B05D5/00 , C08K3/04 , C08K3/26 , C08L9/02 , C08L9/06 , C08L23/04 , G03G15/0233 , Y10T29/4956 , Y10T29/49563 , Y10T428/24405
Abstract: To provide a charging member that can not easily cause faulty cleaning on a photosensitive member while having a flexibility high enough to form a nip between it and the photosensitive member in a sufficient width. The charging member has an electro-conductive support and an elastic layer that is a surface layer, which elastic layer has at its surface a region having been cured by irradiation with electron rays, where this region supports spherical polyethylene particles in such a state that the spherical polyethylene particles are exposed to the surface of the elastic layer, thereby making the surface roughened.
Abstract translation: 为了提供一种充电元件，其不能容易地在感光元件上导致故障清洁，同时具有足够高的柔度以足够的宽度在其与感光元件之间形成压区。 充电构件具有导电支撑体和作为表面层的弹性层，该弹性层在其表面具有通过电子射线照射而固化的区域，其中该区域支撑球形聚乙烯颗粒， 球形聚乙烯颗粒暴露于弹性层的表面，从而使表面变粗糙。
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公开(公告)号：US07920805B2
公开(公告)日：2011-04-05
申请号：US11782138
申请日：2007-07-24
Applicant: Mark Thomas Bellino , Weimei Luo , Michael George Sloan , Tanya Yvonne Thames
Inventor： Mark Thomas Bellino , Weimei Luo , Michael George Sloan , Tanya Yvonne Thames
CPC classification number: G03G5/047 , G03G5/0564 , G03G5/0614 , G03G5/08 , G03G5/087 , G03G2215/00957
Abstract: The present disclosure relates to incorporation of boron nitride in the charge transport layer of a photoconductor. The boron nitride may have an aspect ratio of greater than 1.0, a D50 mean particle size of less than about 10.0 μm and be present at about 5.0% (wt) or less in the charge transport layer. The cartridge may also include toner particles wherein the toner particles have a size range of about 1-25 μm and an average degree of circularity of about 0.90-1.0. The photoconductor containing boron nitride when used in an electrophotographic printer may then provide acceptable dark decay and/or photoinduced decay (PID) curves relative to photoconductors that do not contain boron nitride along with improved resistance to toner filming.
Abstract translation: 本发明涉及在感光体的电荷传输层中掺入氮化硼。 氮化硼可以具有大于1.0的纵横比，D50平均粒度小于约10.0μm，并且在电荷输送层中以约5.0％（重量）以下存在。 墨盒还可以包括调色剂颗粒，其中调色剂颗粒的尺寸范围为约1-25μm，平均圆形度为约0.90-1.0。 当在电子照相打印机中使用含有氮化硼的光电导体可以提供相对于不含氮化硼的光导体的可接受的暗衰变和/或光诱导衰减（PID）曲线以及改进的对调色剂成膜的抵抗力。
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Patent Agency Ranking
公开(公告)号：US20090170023A1
公开(公告)日：2009-07-02
申请号：US12389180
申请日：2009-02-19
Applicant: Akira Shimada , Hiroki Uematsu , Masataka Kawahara , Kyoichi Teramoto , Akio Maruyama , Toshihiro Kikuchi , Akio Koganei , Takayuki Sumida
Inventor： Akira Shimada , Hiroki Uematsu , Masataka Kawahara , Kyoichi Teramoto , Akio Maruyama , Toshihiro Kikuchi , Akio Koganei , Takayuki Sumida
IPC: G03G5/02
CPC classification number: G03G5/047 , G03G5/05 , G03G5/0525 , G03G5/10
Abstract: A process for producing an electrophotographic photosensitive member. The electrophotographic photosensitive member includes a conductive support and a surface layer provided thereon containing at least a resin. The process has the step of forming a plurality of depressed portions on the surface layer by irradiation with laser light having a wavelength of 400 nm or less and having an output characteristic of a pulse width of 100 ns or less.
Abstract translation: 一种用于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支撑体和设置在其上的至少含有树脂的表面层。 该方法具有通过用波长为400nm或更小的激光照射并且具有100ns或更小的脉冲宽度的输出特性在表面层上形成多个凹陷部分的步骤。
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公开(公告)号：US07432028B2
公开(公告)日：2008-10-07
申请号：US10772069
申请日：2004-02-04
Applicant: Vytautas Getautis , Tadas Malinauskas , Juozas V. Grazulevicius , Valentas Gaidelis , Vygintas Jankauskas , Zbigniew Tokarski , Nusrallah Jubran , Kam W. Law
Inventor： Vytautas Getautis , Tadas Malinauskas , Juozas V. Grazulevicius , Valentas Gaidelis , Vygintas Jankauskas , Zbigniew Tokarski , Nusrallah Jubran , Kam W. Law
CPC classification number: C08G73/02 , G03G5/0612 , G03G5/0616 , G03G5/076
Abstract: This invention relates to a novel organophotoreceptor that includes: (a) a charge transport composition comprising molecules having the formula where n is an average of a distribution of integers generally between 2 and 50,000, and in which n is at least 2; R1, R2, R3, and R4 comprise, each independently, H, an alkyl group, an alkenyl group, a heterocyclic group, or an aromatic group; X comprises an (N,N-disubstituted)arylamine group; and Y is a bridging group; (b) a charge generating compound; and (c) an electrically conductive substrate over which the charge transport composition and the charge generating compound are located.
Abstract translation: 本发明涉及一种新型的有机光感受器，其包括：（a）电荷传输组合物，其包含具有下式的分子：其中n是整数分布的平均值，通常为2至50,000，n为至少2; R 1，R 2，R 3和R 4各自独立地包含H，烷基 烯基，杂环基或芳基; X包含（N，N-二取代的）芳基胺基团; Y为桥接基团; （b）电荷产生化合物; 和（c）电荷输送组合物和电荷产生化合物所位于的导电基底。
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公开(公告)号：US20080096123A1
公开(公告)日：2008-04-24
申请号：US11770006
申请日：2007-06-28
Applicant: Akira Shimada , Hiroki Uematsu , Masataka Kawahara , Kyoichi Teramoto , Akio Maruyama , Toshihiro Kikuchi , Akio Koganei , Takayuki Sumida
Inventor： Akira Shimada , Hiroki Uematsu , Masataka Kawahara , Kyoichi Teramoto , Akio Maruyama , Toshihiro Kikuchi , Akio Koganei , Takayuki Sumida
IPC: G03G5/02
CPC classification number: G03G5/047 , G03G5/05 , G03G5/0525 , G03G5/10
Abstract: A process for producing an electrophotographic photosensitive member is disclosed. The electrophotographic photosensitive member includes a conductive support and a surface layer provided thereon containing at least a resin. The process has the step of forming a plurality of depressed portions on the surface layer by irradiation with laser light having a wavelength of 400 nm or less and having an output characteristic of a pulse width of 100 ns or less.
Abstract translation: 公开了一种用于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支撑体和设置在其上的至少含有树脂的表面层。 该方法具有通过用波长为400nm或更小的激光照射并且具有100ns或更小的脉冲宽度的输出特性在表面层上形成多个凹陷部分的步骤。
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9.发明授权Image-bearing article containing cross-linked elastomers for electrostatic printing 失效含有用于静电印刷的交联弹性体的图像承载制品公开(公告)号：US06904252B2
公开(公告)日：2005-06-07
申请号：US10249253
申请日：2003-03-26
Applicant: Constance J. Thornton , Joseph Mammino , Robert M. Ferguson , Paul J. Brach , Edward Scales , Raymond K. Crandall , Edward L. Schlueter, Jr.
Inventor： Constance J. Thornton , Joseph Mammino , Robert M. Ferguson , Paul J. Brach , Edward Scales , Raymond K. Crandall , Edward L. Schlueter, Jr.
CPC classification number: G03G5/14791 , G03G5/0211 , G03G5/0217 , G03G5/0578 , G03G5/0592 , G03G5/14704 , G03G5/14773
Abstract: An image-bearing article used in liquid contact electrostatic printing (CEP) is formed from polymers that meet the requisite conformance and heat stability for the CEP process. Excessive absorption of toner carrier liquids by the image-bearing article in liquid CEP leads to the deterioration of the image-bearing article and reduces the useful life of the image-bearing article. The absorption of the toner carrier fluid may be controlled by the addition of oxides, silicone elastomers containing phenyl end groups, fluorosilicones or increasing the cross-linking density of the methyl silicones.
Abstract translation: 用于液体接触静电印刷（CEP）的图像承载制品由满足CEP工艺所需的一致性和热稳定性的聚合物形成。 通过液体CEP中的图像承载制品对调色剂载体液体的过度吸收导致图像承载制品的劣化，并降低图像承载制品的使用寿命。 调色剂载体流体的吸收可以通过添加氧化物，含有苯基端基的硅氧烷弹性体，氟硅氧烷或增加甲基硅氧烷的交联密度来控制。
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10.发明申请公开(公告)号：US20050106482A1
公开(公告)日：2005-05-19
申请号：US11017731
申请日：2004-12-22
Applicant: Hidetoshi Kami , Tatsuya Niimi , Akihiko Matsuyama , Eiji Kurimoto , Nozomu Tamoto
Inventor： Hidetoshi Kami , Tatsuya Niimi , Akihiko Matsuyama , Eiji Kurimoto , Nozomu Tamoto
CPC classification number: G03G5/14791 , G03G5/0217 , G03G5/0507 , G03G5/14704 , G03G5/14795
Abstract: A photoreceptor including an electroconductive substrate; and a photosensitive layer located overlying the electroconductive substrate and comprising a charge generation material, a charge transport material and an inorganic filler, wherein the content of the inorganic filler at a surface side of the photosensitive layer is greater than that at a bottom side of the photosensitive layer near the electroconductive substrate, and wherein an outermost layer of the photoreceptor has a water vapor permeability not greater than 50 g·m−2·24 h−1.
Abstract translation: 包含导电基片的感光体; 以及位于导电基底上的感光层，其包含电荷产生材料，电荷传输材料和无机填料，其中感光层表面侧的无机填料的含量大于在感光层的底侧的含量 感光层附近，并且其中感光体的最外层具有不大于50g·h -224h -1 -1的水蒸气渗透性。
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