Patent ID: 7531284
Filing Date: 2009-05-12
Classification: G03G

Abstract:
1. A method of forming a photoreceptor, the process comprising: providing a substrate, the substrate being electrically conductive or comprising an electrically conductive layer; forming an undercoat layer on said substrate, said undercoat layer consisting of a single non-porous layer of anodized aluminum, wherein said non-porous anodized aluminum layer is formed by anodizing aluminum in an electrolyte solution comprising citric acid in an amount of 1% (w/v), at a temperature of 15° C., under a voltage of 12 to 24 volts; and forming an imaging member over the undercoat layer, wherein said non-porous anodized aluminum layer exhibits an impedance of about 50 Kohm or less and has a thickness of about 10 to about 50 angstroms; and wherein the photoreceptor exhibits a residual voltage of less than 100 V.