Invention Grant
- Patent Title: Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus
- Patent Title (中): 电子照相感光构件，其制造方法，处理盒和电子照相设备
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Application No.: US14949604Application Date: 2015-11-23
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Publication No.: US09568846B2Publication Date: 2017-02-14
- Inventor: Daisuke Kawaguchi , Daisuke Tanaka , Kazumichi Sugiyama , Takeshi Murakami
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2014-242597 20141128
- Main IPC: G03G5/14
- IPC: G03G5/14 ; G03G5/04
Abstract:
An undercoat layer of an electrophotographic photosensitive member contains zinc oxide particles subjected to a surface treatment with an organometallic compound or an organosilicon compound and titanium oxide particles subjected to a surface treatment with an organometallic compound or an organosilicon compound. The titanium oxide particles have an average primary particle diameter of 100 nm or more and 600 nm or less. A volume ratio of the titanium oxide particles represented by formula (1) is 1.0 or more and 25 or less.
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