Electrophotographic photoreceptor with porous anodized Al layer

Details Electrophotographic photoreceptor with porous anodized Al layer Electrophotographic photoreceptor with porous anodized Al layer

1990-09-21

1992-07-21

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Process of making radiation-sensitive product

430 58, 205107, 205201, G03G 5047

Patent

active

051322005

ABSTRACT:
An electrophotographic photoreceptor is disclosed, comprising at least a substrate having thereon a charge transporting layer and a charge generating layer, wherein said charge transporting layer is a porous anodized aluminum film which is formed by anodizing a substrate at least a surface of which comprises aluminum or an aluminum alloy by using an alternating current having an effective voltage of from 3 to 40 V or an electrical current of alternating waveform having substantially the equal action. And the electrophotographic photoreceptor can be produced by a process comprising subjecting a substrate at least a surface of which comprises aluminum or an aluminum alloy to anodic oxidation in an electrolytic solution by using an alternating current having an effective voltage of from 3 to 40 V or an electrical current of alternating waveform having substantially the equal action to form as a charge transporting layer a porous anodized aluminum film on the substrate and then forming a charge generating layer thereon. The porous anodized aluminum film has sufficient softness to be freed from heat cracks and exhibits satisfactory adhesion to a charge generating layer and excellent mechanical strength.

REFERENCES:
patent: 4369242 (1983-01-01), Arimilli et al.
patent: 4634648 (1987-01-01), Jansen et al.

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