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    • 4. 发明授权
    • Electrophotographic photoconductor, production method of the same, image forming apparatus, and process cartridge
    • 电子照相感光体,其制作方法,成像设备和处理盒
    • US08795935B2
    • 2014-08-05
    • US13256989
    • 2010-03-17
    • Hidetoshi KamiJunichi YamazakiYukio FujiwaraKazuhiro Egawa
    • Hidetoshi KamiJunichi YamazakiYukio FujiwaraKazuhiro Egawa
    • G03G15/04
    • G03G5/14791G03G5/0525G03G5/0614G03G5/071G03G5/14734G03G5/14786G03G5/14795
    • An electrophotographic photoconductor having a photosensitive layer and a crosslinked resin surface layer over a support, wherein shapes of concaves and convexes in a surface of the electrophotographic photoconductor are measured by a surface roughness/profile measuring device to obtain one-dimensional data arrays, the arrays are subjected to multiresolution analysis (MRA-1) through wavelet transformation to be separated into six frequency components including HHH, HHL, HMH, HML, HLH and HLL to obtain one-dimensional data arrays, the arrays of the HHL are thinned out to be reduced 1/10 to 1/100, thereby producing one-dimensional data arrays, which are then subjected to multiresolution analysis (MRA-2) through wavelet transformation to be separated into six frequency components including LHH, LHL, LMH, LML, LLH and LLL to thereby obtain 12 frequency components in total; and a center-line average roughness (WRa) of the 12 frequency components satisfies relationship (i) below. 1−597×WRa(HML)+238×WRa(HLH)−95×WRa(LHL)+84×WRa(LMH)−79×WRa(LML)+55×WRa(LLH)−17×WRa(LLL)>0  (i)
    • 在支撑体上具有感光层和交联树脂表面层的电子照相感光体,其中通过表面粗糙度/轮廓测量装置测量电子照相感光体的表面中的凹凸形状,以获得一维数据阵列,阵列 通过小波变换进行多分辨率分析(MRA-1)分离为HHH,HHL,HMH,HML,HLH和HLL等六个频率分量,得到一维数据阵列,将HHL的阵列稀疏化为 减少1/10至1/100,从而产生一维数据阵列,然后通过小波变换进行多分辨率分析(MRA-2),分为六个频率分量,包括LHH,LHL,LMH,LML,LLH和 从而获得12个频率分量; 并且12个频率分量的中心线平均粗糙度(WRa)满足以下关系式(i)。 1-597×WRa(HML)+ 238×WRa(HLH)-95×WRa(LHL)+84×WRa(LMH)-79×WRa(LML)+ 55×WRa(LLH)-17×WRa(LLL) > 0(i)
    • 9. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20100124712A1
    • 2010-05-20
    • US12610542
    • 2009-11-02
    • Kazuhiro EGAWAYukio FujiwaraHidetoshi KamiKohichi Ohshima
    • Kazuhiro EGAWAYukio FujiwaraHidetoshi KamiKohichi Ohshima
    • G03G15/00
    • G03G21/0011G03G2215/00957
    • The image forming apparatus includes a photoreceptor bearing an electrostatic image; a developing device developing the electrostatic image with a developer including a toner to form a toner image on the photoreceptor; a transferring device transferring the toner image onto a receiving material; and a cleaning device having a cleaning blade cleaning the surface of the photoreceptor. The photoreceptor includes an electroconductive substrate, a photosensitive layer and an outermost layer having projected portions thereon. The outermost layer and projected portions include the same crosslinked charge transport material. The outermost layer has a surface roughness property such that the number of projected portions having height greater than Rz/2 is from 40 to 90 in a length of 12 mm, wherein Rz represents ten-point mean roughness of the outermost layer. The tip of the cleaning blade is contacted with the photoreceptor at a linear pressure of from 80 g/cm to 150 g/cm.
    • 图像形成装置包括具有静电图像的感光体; 显影装置用包含调色剂的显影剂显影静电图像以在感光体上形成调色剂图像; 转印装置,将调色剂图像转印到接收材料上; 以及具有清洁感光体表面的清洁刮板的清洁装置。 感光体包括导电基底,感光层和在其上具有突出部分的最外层。 最外层和突出部分包括相同的交联电荷输送材料。 最外层具有表面粗糙度性质,使得高度大于Rz / 2的突出部分的数量在12mm的长度上为40至90,其中Rz表示最外层的十点平均粗糙度。 清洁刮板的尖端与感光体以80g / cm〜150g / cm的线性压力接触。