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    • 4. 发明申请
    • ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE,AND ELECTROPHOTOGRAPHIC APPARATUS
    • 电子照相感光元件,工艺盒和电子照相设备
    • US20110135340A1
    • 2011-06-09
    • US12959238
    • 2010-12-02
    • Hiroki UematsuHarunobu OgakiAtsushi OchiYasuhiro KawaiKoji TakahashiShio Murai
    • Hiroki UematsuHarunobu OgakiAtsushi OchiYasuhiro KawaiKoji TakahashiShio Murai
    • G03G21/16G03G15/00
    • G03G5/043G03G5/04G03G5/0525G03G5/10G03G5/147
    • Provided is an electrophotographic photosensitive member having excellent cleaning performance, and a process cartridge and an electrophotographic apparatus, each including the electrophotographic photosensitive member.The peripheral surface of the electrophotographic photosensitive member has a plurality of flat portions having a width e (μm) that satisfies the relationship 0.1≦e≦25 and a plurality of groove portions having a width w (μm) that satisfies the relationship 0.1≦w≦25 and a depth d (μm) that satisfies the relationship 0.1≦d≦3.0, the flat portions and the groove portions being alternately formed at an angle θ (°) that satisfies the relationship 80≦θ≦100 with respect to the axial direction of the electrophotographic photosensitive member. The sum esum (μm) of the widths e of the flat portions per each width of 100 μm in the axial direction of the peripheral surface satisfies the relationship 5≦esum≦75, and eσ/eAv satisfies the relationship eσ/eAv≦0.46, where eAv (μm) is the average value of the widths e of the flat portions, and eσ is the standard deviation thereof.
    • 提供了具有优异的清洁性能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。 电子照相感光构件的周面具有多个宽度e(μm)的平坦部分,其宽度e(μm)满足关系式0.1≦̸ e≦̸ 25以及宽度w(μm)的多个沟槽部分,满足关系式0.1& ; w≦̸ 25和深度d(μm),其满足关系式0.1≦̸ d≦̸ 3.0,平坦部分和沟槽部分以角度交替地形成; (°),其相对于电子照相感光构件的轴向方向满足关系80< nlE;& t;≦̸ 100。 外周面轴向每100μm宽度的平面部分的宽度e的总和(μm)满足关系5≦̸ esum≦̸ 75,e&sgr / eAv满足e&sgr / eAv&nlE的关系; 0.46,其中eAv(μm)是平坦部分的宽度e的平均值,e&sgr; 是其标准偏差。