CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC DEVICE
An object of the present invention is to provide a charging member that brings out stable charging performance over a long period of time and also makes the surface of an electrophotographic photosensitive member not easily come to wear non-uniformly. It is a charging member having a conductive subs...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An object of the present invention is to provide a charging member that brings out stable charging performance over a long period of time and also makes the surface of an electrophotographic photosensitive member not easily come to wear non-uniformly. It is a charging member having a conductive substrate and a conductive resin layer; the conductive resin layer containing a binder, conductive fine particles, and bowl-shaped resin particles each of which has an opening; the bowl-shaped resin particles being contained in the conductive resin layer in such a way as not to be exposed to the surface of the charging member; and the surface of the charging member having concavities derived from openings of the bowl-shaped resin particles and protrusions derived from edges of the openings of the bowl-shaped resin particles. |
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