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High speed electrophotographic imaging system - uses multilayer sandwich with modulating and storage structures with liquid interface between dielectric and electrode
High speed electrophotographic imaging system - uses multilayer sandwich with modulating and storage structures with liquid interface between dielectric and electrode
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机译:高速电子照相成像系统-使用具有调制和存储结构的多层三明治结构,介电层和电极之间具有液体界面
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摘要
An electrophotographic medium comprises a transparent substrate, ohmic layer and coating of photoconductive material, all of which form a modulating structure for the radiant energy that is adapted to be projected through the substrate. A dielectric layer or storage medium is intimately bonded to the surface of the photoconductive coating and a conductive electrode is in intimate contact with the dielectric layer. The structure is used by connecting a d.c. voltage across the outer electrode and the ohmic layer and projecting the image onto the electrophotographic medium from the bottom surface of the substrate. The charge image appears on the dielectric layer. The charge image is read out with an electronic beam or toned and fixed or transferred. During use the electrode is brought into intimate contact with the dielectric layer and removed after forming the charge image in order to enable the medium to be processed further without the electrode.
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