发明名称 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
摘要 An electrophotographic photosensitive member has, on the surface of its photosensitive layer, has a plurality of depressed portions which are independent from one another, and, where the major-axis diameter of each depressed portion is represented by Rpc and the depth that shows the distance between the deepest part of each depressed portion and the opening thereof is represented by Rdv, the depressed portions each have a ratio of depth to major-axis diameter, Rdv/Rpc, of from more than 1.0 to 7.0 or less.
申请公布号 US7551878(B2) 申请公布日期 2009.06.23
申请号 US20070770109 申请日期 2007.06.28
申请人 CANON KABUSHIKI KAISHA 发明人 OGAKI HARUNOBU;UEMATSU HIROKI;KAWAHARA MASATAKA;OCHI ATSUSHI;TERAMOTO KYOICHI;SHIMADA AKIRA;MARUYAMA AKIO;KIKUCHI TOSHIHIRO;KOGANEI AKIO;SUMIDA TAKAYUKI
分类号 G03G15/00 主分类号 G03G15/00
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