SHAPED CHARGE GENERATION LAYER FOR A PHOTOCONDUCTIVE DRUM
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United States of America
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Issued Date -
Jan 27, 2022
app pub date -
Oct 11, 2021
filing date -
Oct 11, 2021
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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 a single thickness along about two-thirds of 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.
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