Verfahren zum Erzeugen einer latenten Abbildung auf einem zweischichtigen elektrophotographischen Element

摘要

1356407 Electro-photography MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 30 Sept 1971 [7 Oct 1970 13 Oct 1970(2)] 45603/71 Heading G2H A two layer photo-conductive element is uniformly exposed to more than 10 lux seconds of visible light and charged to a negative potential of 200-1800 volts before charging to a positive potential and imagewise exposing. The uniform exposure and negative charging may be simultaneous or in either order. The two layer element is a layer (on a conductive support) of a polymer having a surface layer comprising an organic sensitizer.