Shaped charge generation layer for a photoconductive drum
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United States of America Patent
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Feb 22, 2022
Grant Date -
Apr 29, 2021
app pub date -
May 19, 2020
filing date -
Oct 29, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A photoconductive drum includes an elongated support element with a shaped charge generation layer. The layer extends from the support element at various thicknesses along a length thereof. Thicker charge generation portions provides denser optical densities compared to thinner portions allowing tailoring the photoconductive drum to compensate for imperfect optical scanning systems. A charge transport layer overcoats the charge generation layer. Optionally, an oxidation layer underlies the charge generation layer as does a protective overcoat overlying the charge transport layer. Various thicknesses and shapes of the charge generation layer are also disclosed.
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