Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1984-11-23
1986-03-25
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 58, 430 72, 430 78, G03G 506, G03G 514
Patent
active
045783349
ABSTRACT:
Multi-active photoconductive insulating elements which exhibit very high electrophotographic speed and panchromatic sensitivity, and whose manufacture can be effectively controlled to provide an electrical contrast ranging from a very low to a very high level, are comprised of a charge-generation layer and a charge-transport layer in electrical contact therewith and contain, as the charge-generating agent within the charge-generation layer, certain crystalline forms of N,N'-bis(2-phenethyl)perylene-3,4:9,10-bis(dicarboximide) characterized by particular spectral absorption and X-ray diffraction characteristics. The charge-generation layer is capable, upon exposure to activating radiation, of highly effective generation and injection of charge carriers and the charge-transport layer, which is comprised of an organic composition containing an organic photoconductive material, is capable of accepting and transporting the injected charge carriers to thereby form a highly advantageous multi-active photoconductive insulating element.
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Borsenberger Paul M.
Regan Michael T.
Staudenmayer William J.
Eastman Kodak Company
Lorenzo Alfred P.
Martin Roland E.
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