ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
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United States of America Patent
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Sep 8, 2022
app pub date -
Feb 1, 2022
filing date -
Feb 26, 2021
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Abstract
Provided is an electrophotographic photosensitive member that suppresses an image defect resulting from its support and is reduced in long-term potential fluctuation. The electrophotographic photosensitive member is an electrophotographic photosensitive member including a support having a cylindrical shape and a photosensitive layer formed on the support, wherein the support has a surface formed of Al and/or an Al alloy, and wherein the IR peak area ratio A of the surface of the support determined by Fourier transform infrared spectroscopy satisfies the following condition: A≥0.50 where the IR peak area ratio A represents a ratio a/z of a peak area “a” in the range of from 1,016 cm−1 or more to 1,130 cm−1 or less to a peak area “z” in the range of from 650 cm−1 or more to 1,130 cm−1 or less.
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