ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
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United States of America Patent
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Issued Date -
Sep 1, 2022
app pub date -
Feb 14, 2022
filing date -
Feb 26, 2021
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Abstract
An electrophotographic photosensitive member having: a support with a cylindrical shape; and a photosensitive layer, in which the support has a surface formed of Al and/or an Al alloy, and the surface of the support includes Al crystal grains having (α) plane having {001} orientation of −15° or more and less than +15°, (β) plane having {101} orientation of −15° or more and less than +15°, and (γ) plane having {111} orientation of −15° or more and less than +15°, a ratio of an area occupied by Al crystal grains having (γ) to the total area of the surface of the support is 10% or less, and a ratio of an area occupied by any one of Al crystal grains having (α) and Al crystal grains having (β) is 60% or more.
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