The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 1992
Filed:
May. 29, 1990
Applicant:
Inventors:
Yusuke Harada, Kanagawa, JP;
Hidekazu Aonuma, Kanagawa, JP;
Assignee:
Fuji Xerox Corporation, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 62 ; 430 69 ;
Abstract
An electrophotographic photoreceptor has a photosensitive layer layered on a conductive substrate, and the photoreceptor comprise the improvement wherein a surface roughness of the conductive substrate is such that a center average roughness in standard length at 0.25 mm is not more than 0.6, and the center average roughness and a transmittance at a wavelength of light to which the photosensitive layer is exposed meet the following condition. ##EQU1##