Photosensitive member, electrophotographic apparatus and image f

Details Photosensitive member, electrophotographic apparatus and image f Photosensitive member, electrophotographic apparatus and image f

1990-11-13

1994-12-27

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 78, G03G 506

Patent

active

053764854

ABSTRACT:
An photosensitive member suitable for use in the electrophotographic apparatus of reversal development-type is formed by an electroconductive support, a charge-generation layer and a charge-transport layer disposed in this order. The charge-generation layer comprises oxytitanium phthalocyanine and the charge-transport layer is formed in a thickness of 22 microns or larger. The oxytitanium phthalocyanine is highly sensitive so that a low dark-part potential of 600V or lower (absolute) is sufficient. Because of the low dark-part potential and the thick charge transport layer, image defect, such as fog and black spots are effectively suppressed.

REFERENCES:
patent: 4664997 (1987-05-01), Suzuki et al.
patent: 4725519 (1988-02-01), Suzuki et al.
patent: 4728592 (1988-03-01), Ohaku et al.
patent: 4882427 (1989-11-01), Enokida et al.
patent: 4898799 (1990-02-01), Fukimaki et al.

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