Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

In an electrophotographic photosensitive member comprising a conductive support, and provided thereon a charge generation layer, a charge transport layer and a protective layer in this order, the layer thickness a0 (mum) of the charge transport layer at the middle portion of the conductive support i...

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Bibliographic Details
Main Authors YOSHIMURA KIMIHIRO, NAKATA KOUICHI, IKEZUE TATSUYA, MORIKAWA YOSUKE, TANAKA DAISUKE
Format Patent
LanguageEnglish
Published 09.11.2004
Edition7
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:In an electrophotographic photosensitive member comprising a conductive support, and provided thereon a charge generation layer, a charge transport layer and a protective layer in this order, the layer thickness a0 (mum) of the charge transport layer at the middle portion of the conductive support in its generatrix direction, the layer thickness b0 (mum) of the protective layer at the middle portion of the conductive support in its generatrix direction, the layer thickness a (mum) of the charge transport layer at a portion other than the middle portion and the layer thickness b (mum) of the protective layer at the portion other than the middle portion satisfy the following expression (1) in a region satisfying 0.8 (mum)<=(A0-a)<=3.0 (MUM):Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.
Bibliography:Application Number: US20020321454