Electrically-conductive substrate for electrophotographic photor

Details Electrically-conductive substrate for electrophotographic photor Electrically-conductive substrate for electrophotographic photor

1997-04-09

1998-11-10

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430127, 420528, G03G 5810

Patent

active

058341480

ABSTRACT:
The present invention prevents the deterioration of electrophotographic photoreceptor properties due to non-uniform dissolution of the surface of an aluminum substrate or production of hydrates during rinsing or drying from hot pure water in an aqueous cleaning process, assuring the uniformity and stability on the surface of an electrically-conductive substrate for electrophotographic photoreceptor. The resulting electrically-conductive substrate for electrophotographic photoreceptor exhibits an excellent corrosion resistance that can be expected to provide a high environmental stability. Further, the resulting electrophotographic photoreceptor can exhibit improved electrical properties. The present invention provides a novel electrically-conductive substrate for electrophotographic photoreceptor comprising aluminum or aluminum alloy, wherein the element ratio of aluminum in metallic form to aluminum in oxide form on the surface of said substrate as determined by X-ray photoelectron spectroscopy is 1:1 to 1:2.5 and the element ratio of aluminum to phosphorus on the surface of said substrate as determined by X-ray photoelectron spectroscopy is 1:0.02 to 1:0.1.

REFERENCES:
patent: 4500622 (1985-02-01), Horie et al.
patent: 4866479 (1989-09-01), Tsukuda et al.
patent: 4897329 (1990-01-01), Nakayama
patent: 4910109 (1990-03-01), Yokoya et al.

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