Title:
電子写真感光体、プロセスカートリッジおよび電子写真装置
Document Type and Number:
Japanese Patent JP6918663
Kind Code:
B2
Abstract:
There is provided an electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus in which residual potential is suppressed and a ghost image is prevented from being generated in a low-humidity environment in an undercoat layer of the electrophotographic photosensitive member. An electrophotographic photosensitive member including: an undercoat layer containing a strontium titanate particle having a maximum peak at a position of 2θ=32.20±0.20 (θ represents a Bragg angle) in a CuKα characteristic X-ray diffraction pattern and a half-value width of the maximum peak of 0.10 deg or more and 0.50 deg or less, and a titanium oxide particle; and a photosensitive layer containing a polyvinyl butyral resin, and a process cartridge and an electrophotographic apparatus each provided with the electrophotographic photosensitive member.
Inventors:
Kuroiwa Ikuyo
Ko Kitamura
Kumiko Takizawa
Takeshi Shimada
Takeuchi Irene
Ko Kitamura
Kumiko Takizawa
Takeshi Shimada
Takeuchi Irene
Application Number:
JP2017185360A
Publication Date:
August 11, 2021
Filing Date:
September 26, 2017
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G5/14; G03G5/05
Domestic Patent References:
| JP2014026272A | ||||
| JP10069116A | ||||
| JP2007334329A | ||||
| JP2005242155A | ||||
| JP2011081255A | ||||
| JP2004145271A | ||||
| JP2008250083A | ||||
| JP3284759A | ||||
| JP2008164948A | ||||
| JP2019061219A | ||||
| JP2018141972A |
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Masami Saito
Takao Ochi
Koji Yoshizawa
Masami Saito