ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

Title:

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

Document Type and Number:

Japanese Patent JP2013210594

Kind Code:

A

Abstract:

To provide an electrophotographic photoreceptor which hardly causes image deletion, and a process cartridge and an electrophotographic apparatus having the electrophotographic photoreceptor.

A surface of an electrophotographic photoreceptor is formed from a plurality of recesses having a depth of 0.5 μm or more and to 5 μm or less and an opening longest diameter of 20 μm or more and 80 μm or less and a part other than the recesses, and when a square area having one side of 500 μm is disposed at an arbitrary position on the surface of the electrophotographic photoreceptor, the area of the recesses in the square area having one side of 500 μm is 10000 μm² or more and 90000 μm² or less and the area of a flat part included in a part other than the recesses is 80000 μm² or more and 240000 μm² or less.

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Inventors:

TAKAHASHI KOJI
UEMATSU HIRONORI
MITSUI TAKAHIRO
KAWAI YASUHIRO
NISHIDA TAKESHI
OGAWA HIDENORI

Application Number:

JP2012118554A

Publication Date:

October 10, 2013

Filing Date:

May 24, 2012

Export Citation:

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Assignee:

CANON KK

International Classes:

G03G5/147; G03G5/047

Attorney, Agent or Firm:

Okabe
Shinichi Usui
Takao Ochi
Seiichiro Takahashi
Koji Yoshizawa
Masami Saito
Katsuhiko Kimura
▲濱▼口岳久
Naofumi Tanaka

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