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    • 2. 发明授权
    • Electrophotographic photosensitive member
    • 电子照相感光构件
    • US07255969B2
    • 2007-08-14
    • US11396798
    • 2006-04-04
    • Satoshi KojimaMakoto AokiJun OhiraHironori OwakiKazuto HosoiMotoya Yamada
    • Satoshi KojimaMakoto AokiJun OhiraHironori OwakiKazuto HosoiMotoya Yamada
    • G03G5/14
    • G03G5/14704G03G5/08228G03G5/08242G03G5/08257G03G5/08285
    • An electrophotographic photosensitive member is provided minimizing the absorption of image exposure having a short wavelength in a surface layer and keeping good electrophotographic properties including resolving power. The electrophotographic photosensitive member includes a conductive substrate, and a photoconductive layer and a surface region layer sequentially superimposed on the conductive substrate. The surface region layer is composed of a non-single-crystal silicon nitride film containing an Group element in the periodic table and a carbon atom and using at least a silicon atom and a nitrogen atom as base materials. In the surface region layer, the Group 13 element content with respect to the total amount of constituent atoms has distribution having at least two local maximum values in the thickness direction, and an the average concentration of nitrogen atoms is 30 atm % to 70 atm %.
    • 提供一种电子照相感光构件,其使表面层中具有短波长的图像曝光的吸收最小化并且保持包括分辨能力的良好电子照相特性。 电子照相感光构件包括导电衬底和顺序叠加在导电衬底上的光电导层和表面区域层。 表面区域由包含元素周期表中的元素元素和碳原子的至少使用硅原子和氮原子的非单晶氮化硅膜构成。 在表面区域中,相对于构成原子的总量的第13族元素含量在厚度方向上具有至少两个局部最大值的分布,氮原子的平均浓度为30atm%〜70atm% 。