Electrophotographic photosensitive member and electrophotographic apparatus
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United States of America Patent
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Apr 1, 2014
Grant Date -
May 9, 2013
app pub date -
Oct 26, 2012
filing date -
Jul 25, 2008
priority date (Note) -
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Abstract
In an electrophotographic photosensitive member having a photoconductive layer and, provided on the photoconductive layer, a surface layer constituted of a hydrogenated amorphous silicon carbide, the ratio of the number of atoms of carbon atoms (C) to the sum of the number of atoms of silicon atoms (Si) and number of atoms of carbon atoms (C), C/(Si+C), in the surface layer is from 0.61 or more to 0.75 or less, and the sum of atom density of the silicon atoms and atom density of the carbon atoms in the surface layer is 6.60×1022atom/cm3 or more.
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