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    • 22. 发明申请
    • Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    • 电子照相感光构件,电子照相感光构件的制造方法,处理盒和电子照相设备
    • US20060019185A1
    • 2006-01-26
    • US11236691
    • 2005-09-28
    • Shoji AmamiyaKoichi NakataTatsuya IkezueTakahiro MitsuiAkira ShimadaHiroki UematsuShuji IshiiAkio Maruyama
    • Shoji AmamiyaKoichi NakataTatsuya IkezueTakahiro MitsuiAkira ShimadaHiroki UematsuShuji IshiiAkio Maruyama
    • G03G5/147
    • G03G5/06G03G5/04G03G5/0567G03G5/0614G03G5/0618G03G5/0625G03G5/0629G03G5/0633G03G5/0638G03G5/064G03G5/0648G03G5/071
    • An object of the present invention is to improve a phenomenon of the life-shortening of the endurance life due to scratch occurring when recesses of a fixed dimple shape are formed on the surface of the surface layer, in order to inhibit the chattering and folding back of a cleaning blade and the fracture of an edge, which occurs because friction between the surface layer of the surface of an electrophotographic photosensitive member and an abutting member is high; and particularly to improve the above described problems, from initial printing through printing on many sheets, which become particularly remarkable when using an electrophotographic photosensitive member with the use of a curable resin that is improved so as to have a high elastic deformation rate for the surface layer, in order to improve the strength of the surface layer, for the purpose of increasing the durability of an electrophotographic photosensitive member. An electrophotographic photosensitive member for achieving the object, which has a support and an organic photosensitive layer, is characterized in that the electrophotographic photosensitive member has dimple-shaped concavities formed on the surface of the surface layer of the electrophotographic photosensitive member, and further has the recesses with the same pattern as that on the surface of the surface layer, formed on the interface created between the surface layer of the organic photosensitive member and the layer directly under the surface layer (a subsurface layer).
    • 本发明的目的是改善在表层的表面上形成固定凹坑形状的凹坑时由于划痕而产生的耐久寿命的使用寿命的现象,以便抑制颤动和折回 并且由于电子照相感光构件的表面的表面层与抵接构件之间的摩擦力高而发生的边缘的断裂; 并且特别是为了改善上述问题,从初期打印到许多片材上的印刷,当使用改进的电子照相感光构件以使表面具有高的弹性变形率时,其变得特别显着 为了提高电子照相感光构件的耐久性,为了提高表面层的强度。 用于实现该目的的电子照相感光构件,其具有支撑体和有机感光层,其特征在于,电子照相感光构件具有在电子照相感光构件的表面层的表面上形成的凹陷形凹部,并且还具有 形成在与有机感光构件的表面层和直接在表面层(地下层)之下的层之间形成的界面上的与表面层表面相同的图案的凹部。