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. 26, 1985
Filed:
Jul. 06, 1984
Applicant:
Inventors:
Keishiro Kido, Kanagawa, JP;
Hiroshi Sunagawa, Kanagawa, JP;
Kazuhiro Kawajiri, Kanagawa, JP;
Toshio Iijima, Kanagawa, JP;
Nobuharu Nozaki, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 67 ; 430 57 ; 430 66 ; 427 74 ; 2525011 ; 357-2 ;
Abstract
An electrophotographic photosensitive material comprising a conductive support having thereon, in succession, a photoconductive layer composed of an amorphous material containing silicon atom and a barrier layer mainly composed of carbon and silicon, nitrogen and silicon, or oxygen and silicon, and further on the barrier layer a surface improvement layer having a composition of carbon and silicon of from 0.70/1 to 0.95/1 by atomic ratio in carbon/carbon+silicon, and the composition ratio being larger than that of the barrier layer.