Single-layer type electrophotosensitive material and image forming apparatus using the same
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United States of America Patent
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Feb 20, 2001
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N/A
app pub date -
Jun 20, 2000
filing date -
Oct 25, 1999
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Abstract
The present invention provides a single-layer type electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the conductive substrate, wherein the photosensitive layer contains a phthalocyanine compound as an electric charge generating material, a hole transferring material and an electron transferring material in a binder resin, and that a difference in absolute value between a plus polarity sensitivity and a minus polarity sensitivity measured under the conditions of an exposure wavelength of 780 nm and an exposure energy of 1.0 .mu.J/cm.sup.2 is not more than 500 V, and a reversal development type digital image forming apparatus using the electrophotosensitive material, which does not include a charge neutralizing step.
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