Electrophotographic photoreceptor and device

Details Electrophotographic photoreceptor and device Electrophotographic photoreceptor and device

2007-01-23

2007-01-23

Chapman, Mark A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

C430S064000, C430S065000, C399S159000

Reexamination Certificate

active

10798055

ABSTRACT:
An electrophotographic photoreceptor having an interlayer and a photosensitive layer on an electroconductive substrate, wherein the interlayer comprises any one of 1) an N-type semiconductive particle containing at least one of transition metals having an atomic number of 21 to 30, 39, 41 to 48 and 57 to 80, the total amount of the transition metals having an atomic number of 21 to 30, 39, 41 to 48 and 57 to 80 being from 100 ppm to 2.0% by mass, or 2) a metal oxide particle containing a silicon atom in a bond energy spectrum by the X-ray photoelectron spectroscopy at a ratio represented by the following Formula (1): Formula (1) 0.02≦Si/M≦0.55 Si: a peak intensity of a silicon atom among the bond energy spectrum, and M: a peak intensity of a metal atom among the bond energy spectrum.

REFERENCES:
patent: 4804606 (1989-02-01), Ohno et al.
patent: 5744271 (1998-04-01), Aizawa et al.
patent: 2001/0044063 (2001-11-01), Hamaguchi et al.

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