Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
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United States of America Patent
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Jul 12, 2016
Grant Date -
Aug 27, 2015
app pub date -
Feb 13, 2015
filing date -
Feb 21, 2014
priority date (Note) -
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Abstract
Provided is an electrophotographic photosensitive member in which a surface of the electrophotographic photosensitive member has: a plurality of specific depressed portions; and a plurality of specific line grooves formed at portions other than the specific depressed portions, and in which when a square region 500 μm on a side is arranged at an arbitrary position of the surface of the electrophotographic photosensitive member, an area of the plurality of depressed portions in the square region 500 μm on a side is 95,000 μm2 or more and 180,000 μm2 or less.
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