Conductive member, electrophotographic process cartridge, and electrophotographic apparatus

Conductive member, electrophotographic process cartridge, and electrophotographic apparatus

The present invention provides a conductive member in which it is possible to control a variation in resistance due to physical stress from a contact member, and an uneven density in a halftone image can be prevented. The conductive member is a development roller which includes a conductive shaft co...

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Hauptverfasser: NAGAOKA KAZUAKI, ATA YOSUKE, NAKAMURA MINORU, INAMI MASAHIRO
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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creator NAGAOKA KAZUAKI
ATA YOSUKE
NAKAMURA MINORU
INAMI MASAHIRO
description The present invention provides a conductive member in which it is possible to control a variation in resistance due to physical stress from a contact member, and an uneven density in a halftone image can be prevented. The conductive member is a development roller which includes a conductive shaft core, a conductive elastic layer, and a conductive surface layer. The conductive elastic layer contains silicone rubber and a basic carbon black dispersed in the silicone rubber. The surface layer contains a urethane resin having a carboxyl group in its molecule and an acidic carbon black dispersed in the urethane resin.
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title Conductive member, electrophotographic process cartridge, and electrophotographic apparatus
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