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    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    2.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06815135B2

    公开(公告)日：2004-11-09

    申请号：US10321454

    申请日：2002-12-18

    申请人： Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Kimihiro Yoshimura ,  Daisuke Tanaka

    发明人： Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Kimihiro Yoshimura ,  Daisuke Tanaka

    IPC分类号： G03G514

    CPC分类号： G03G5/14 ,  G03G5/043 ,  G03G5/047 ,  G03G5/147

    摘要： In an electrophotographic photosensitive member comprising a conductive support, and provided thereon a charge generation layer, a charge transport layer and a protective layer in this order, the layer thickness a0 (&mgr;m) of the charge transport layer at the middle portion of the conductive support in its generatrix direction, the layer thickness b0 (&mgr;m) of the protective layer at the middle portion of the conductive support in its generatrix direction, the layer thickness a (&mgr;m) of the charge transport layer at a portion other than the middle portion and the layer thickness b (&mgr;m) of the protective layer at the portion other than the middle portion satisfy the following expression (1) in a region satisfying 0.8 (&mgr;m)≦(a0−a)≦3.0 (&mgr;m): b0×(a/a0)3≦b(&mgr;m)≦b0×(a/a0)1/4  (1). Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.

    摘要翻译： 在包含导电性支持体的电子照相感光体中，依次设置有电荷产生层，电荷传输层和保护层，导电性载体的中间部分的电荷输送层的层厚a0（mum） 在其母线方向上，导电支撑件的母线方向中间部分处的保护层的层厚度b0（母体），电介质层在中间部分以外的部分的层厚度a（母体）和 =（A0-a）<= 3.0（MUM）的区域中的保护层在中间部分以外的层厚b（mum）满足下式（1）：还公开了 是具有这种电子照相感光构件的处理盒和电子照相设备。

    Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge
    4.
    发明授权
    Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge 有权
    电子照相感光构件，电子照相设备和处理盒

    公开(公告)号：US06998210B2

    公开(公告)日：2006-02-14

    申请号：US10714948

    申请日：2003-11-18

    申请人： Kimihiro Yoshimura ,  Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Daisuke Tanaka

    发明人： Kimihiro Yoshimura ,  Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Daisuke Tanaka

    IPC分类号： G03G5/147

    CPC分类号： G03G5/1476

    摘要： The present invention relates to an electrophotographic photosensitive member comprising a surface layer excellent in adhesiveness and abrasion resistance, having a hardness and a toughness, and not degrading the charge transport property. One aspect of the present invention provides an electrophotographic photosensitive member comprising a photosensitive layer on a conductive support, wherein a surface layer of the photosensitive member contains a crosslinked epoxy-modified resol type phenolic resin, and at least one of a charge transport material and a conductive fine particle.

    摘要翻译： 本发明涉及一种电子照相感光构件，其包括粘合性和耐磨性优异的表面层，具有硬度和韧性，并且不降低电荷传输性能。 本发明的一个方面提供一种电子照相感光构件，其在导电性载体上包含感光层，其中感光构件的表面层含有交联的环氧改性甲阶酚醛树脂型酚醛树脂，并且电荷输送材料和 导电细粒。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    6.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06806009B2

    公开(公告)日：2004-10-19

    申请号：US10314354

    申请日：2002-12-09

    申请人： Daisuke Tanaka ,  Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Kimihiro Yoshimura

    发明人： Daisuke Tanaka ,  Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Kimihiro Yoshimura

    IPC分类号： G03G5147

    CPC分类号： G03G15/751 ,  G03G5/147

    摘要： In an electrophotographic photosensitive member comprising a cylindrical support, and provided thereon a photosensitive layer and a protective layer in this order, which cylindrical support has an outer diameter of less than 30 mm, the difference between a coefficient of thermal expansion &agr;1 measured from the top of the protective layer and a coefficient of thermal expansion &agr;2 measured after the protective layer has been removed, |&agr;1−&agr;2|, is more than 5.0×10−7° C.−1 to less than 1.0×10−4° C.−1, and the modulus of elastic deformation We % measured from the top of the protective layer is more than 30% to less than 60%. Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.

    摘要翻译： 在包括圆柱形支撑件并且在其上设置有感光层和保护层的电子照相感光构件中，该圆柱形支撑件的外径小于30mm，从顶部测量的热膨胀系数α1之间的差异 的保护层和在保护层被去除之后测量的热膨胀系数α2，|α1-α2|大于5.0×10-7。<-1>小于1.0×10 -4 >°C <1>，从保护层顶部测量的弹性变形量We％大于30％至小于60％。 还公开了具有这种电子照相感光构件的处理盒和电子照相设备。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    7.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06835512B2

    公开(公告)日：2004-12-28

    申请号：US10322732

    申请日：2002-12-19

    申请人： Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Kimihiro Yoshimura ,  Daisuke Tanaka

    发明人： Yosuke Morikawa ,  Tatsuya Ikezue ,  Kouichi Nakata ,  Kimihiro Yoshimura ,  Daisuke Tanaka

    IPC分类号： G03G5047

    CPC分类号： G03G5/147

    摘要： An electrophotographic photosensitive member is disclosed in which a photosensitive layer and a protective layer are formed on a conductive substrate in that order. In this photosensitive member, when its surface is charged to −700 V under a 23° C./5% RH environment and irradiated with white light in a light quantity of 10 lux·sec, if the surface potential at the time 0.2 seconds have passed from the irradiation and the surface potential at the time 0.5 seconds have passed from the irradiation are defined as Vsl(0.2) and Vsl(0.5), respectively, the absolute value of Vsl(0.2) and the absolute value of Vsl(0.2)−Vsl(0.5) satisfy specific conditions.

    摘要翻译： 公开了一种电子照相感光构件，其中感光层和保护层依次形成在导电基板上。 在该感光体中，当在23℃±5％RH环境下将其表面充电至-700V，并以10lux.sec的光量照射白光时，如果0.2秒时的表面电位为 从照射通过的表面电位和从照射经过0.5秒的表面电位分别定义为Vs1（0.2）和Vs1（0.5），绝对值Vs1（0.2）和绝对值Vs1（0.2） -Vsl（0.5）满足特定条件。

    Electrophotographic apparatus using photosensitive member employing charge injection method and developer unit cleaning system
    8.
    发明授权
    Electrophotographic apparatus using photosensitive member employing charge injection method and developer unit cleaning system 失效
    使用电荷注入法的感光元件和显影剂单元清洁系统的电子照相设备

    公开(公告)号：US06829459B2

    公开(公告)日：2004-12-07

    申请号：US10173941

    申请日：2002-06-19

    申请人： Daisuke Tanaka ,  Yosuke Morikawa ,  Kouichi Nakata ,  Kimihiro Yoshimura

    发明人： Daisuke Tanaka ,  Yosuke Morikawa ,  Kouichi Nakata ,  Kimihiro Yoshimura

    IPC分类号： G03G1502

    CPC分类号： G03G5/14769 ,  G03G5/14704 ,  G03G5/14708 ,  G03G5/1476 ,  G03G5/14773 ,  G03G15/0216 ,  G03G2215/022 ,  G03G2221/0005 ,  G03G2221/183

    摘要： An electrophotographic apparatus and a process cartridge have a charge unit for charging the surface of a photosensitive member by direct injection of electrical charge from a contact charging member to the photosensitive member. The charging unit also functions as a unit for supporting residual toner on the surface of the photosensitive member after transfer, for normalizing the electrical charge of the residual toner, and for returning the normalized residual toner to the surface of the photosensitive member. A developing unit also functions as a unit for recovering the normalized residual toner returned to the surface of the photosensitive member. The absolute value of the difference in charged potential between a first rotation and a second rotation of the photosensitive member is higher than 5 V and lower than 70 V. The photosensitive member has a charge injection layer having a specific composition and the charging member supports charged particles having specific characteristics.

    摘要翻译： 电子照相设备和处理盒具有充电单元，用于通过从接触充电元件直接注入感光元件来对感光元件的表面充电。 充电单元还用作用于在转印后用于支撑感光构件表面上的残留调色剂的单元，用于使残留调色剂的电荷归一化并使标准化的残留调色剂返回到感光构件的表面。 显影单元还用作用于回收返回到感光构件的表面的归一化残留调色剂的单元。 感光构件的第一旋转和第二旋转之间的带电电位差的绝对值高于5V且小于70V。感光构件具有具有特定组成的电荷注入层，并且充电构件支撑带电 具有特定特性的颗粒。

    Electrophotographic apparatus and process cartridge
    9.
    发明授权
    Electrophotographic apparatus and process cartridge 有权
    电子照相设备和处理盒

    公开(公告)号：US06697591B2

    公开(公告)日：2004-02-24

    申请号：US10173161

    申请日：2002-06-18

    申请人： Yosuke Morikawa ,  Kouichi Nakata ,  Kimihiro Yoshimura ,  Daisuke Tanaka

    发明人： Yosuke Morikawa ,  Kouichi Nakata ,  Kimihiro Yoshimura ,  Daisuke Tanaka

    IPC分类号： G03G1500

    CPC分类号： G03G5/14704 ,  G03G5/147 ,  G03G2215/021

    摘要： An electrophotographic apparatus, includes: an electrophotographic photosensitive member and a charging device. The charging device includes a conductor particle-carrying member having an electroconductive and elastic surface, and conductor particles having a particle size of 10 nm-10 &mgr;m and carried on the carrying member so as to be disposed in contact with the photosensitive member, thereby directly injecting charges to the photosensitive member to charge the photosensitive member. The photosensitive member includes a photosensitive layer and a charge injection layer as a surface layer disposed in this order on a support, the charge-injection layer having a thickness d (&mgr;m) and an elastic deformation percentage We (OCL) (%) satisfying a relationship of formula (1) below with an elastic deformation percentage We (CTL) (%) of the photosensitive layer: −0.71×d+We(CTL)≦We(OCL)≦0.03×d3−0.89×d2+8.43×d+We(CTL)  (1).

    摘要翻译： 一种电子照相设备，包括：电子照相感光构件和充电装置。 充电装置包括具有导电和弹性表面的导体颗粒承载构件和粒径为10nm-10μm的导体颗粒，并承载在承载构件上以便与感光构件接触，从而直接 向感光构件注入电荷以对感光构件充电。 感光构件包括感光层和作为表面层的电荷注入层，其依次设置在载体上，电荷注入层的厚度d（母）和弹性变形百分比We（OCL）（％）满足 关系式（1）与弹性变形百分比We（CTL）（％）感光层：