Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment
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United States of America Patent
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Mar 20, 2018
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Oct 26, 2016
filing date -
Oct 28, 2015
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Abstract
An electrophotographic photosensitive member includes a substrate and a photosensitive layer containing a phthalocyanine pigment. The crystalline particles of the phthalocyanine pigment have a crystallite correlation length r and a particle size R of 400 nm or less, and a parameter k defined by r/R is in the range of 0.17 to 0.42.
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