Method to produce a photoreceptor for electrophotography using d

Details Method to produce a photoreceptor for electrophotography using d Method to produce a photoreceptor for electrophotography using d

1989-09-19

1992-01-14

Welsh, David

Radiation imagery chemistry: process, composition, or product th

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

Process of making radiation-sensitive product

430 69, 430131, 427292, 427307, 51323, 51DIG2, G03G 510

Patent

active

050809938

ABSTRACT:
The present invention relates to a method for producing a photoreceptor for electrophotography. An aluminum base substrate is worked so that the R.sub.max is between 1.3 and 1.8 microns, with a filtered maximum waviness not exceeding 0.5 microns. The substrate is etched with an aqueous solution of alkali, and then etched with an aqueous solution of nitric acid to form an oxide thin film. A Se-As alloy is vacuum deposited thereon to form a light sensitive layer. This photoreceptor is flat and smooth so that the images obtained by electrophotography are substantially free from white point defects.

REFERENCES:
patent: 4492745 (1985-01-01), Mimura et al.
patent: 4514483 (1985-04-01), Matsuura et al.
patent: 4735883 (1988-03-01), Honda et al.
Japanese Industrial Standard; Waviness, translated and published by Japanese Standard Association; pp. 1-5.

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