ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
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United States of America
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Nov 14, 2024
app pub date -
Jul 24, 2024
filing date -
Jul 24, 2024
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Abstract
An electrophotographic photoreceptor includes a conductive substrate, a photosensitive layer provided on or above the conductive substrate and containing inorganic oxide particles, and an inorganic protective layer provided on the photosensitive layer. In a particle size distribution of the inorganic oxide particles obtained through cross-sectional observation of the photosensitive layer, the highest peak for small-diameter particles A is present in the range of 20 nm to 50 nm, and the highest peak for large-diameter particles β is present in the range of 80 nm to 400 nm, with the threshold particle diameter for the small-diameter particles A and the large-diameter particles β being 60 nm, and the relationship between the particle diameter dA at the highest peak for the small-diameter particles A and the particle diameter dB at the highest peak for the large-diameter particles β satisfies formula (A1) below:
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