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:
Oct. 22, 1991
Filed:
Oct. 10, 1989
Applicant:
Inventors:
Shigeru Yagi, Kanagawa, JP;
Masato Ono, Kanagawa, JP;
Noriyoshi Takahashi, Kanagawa, JP;
Masayuki Nishikawa, Kanagawa, JP;
Yuzuru Fukuda, Kanagawa, JP;
Kenichi Karakida, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 65 ; 430 57 ; 430 66 ; 430 67 ;
Abstract
An electrophotographic photoreceptor having a photosensitive layer essentially made of amorphous silicon formed over a support, and a surface layer made of amorphous silicon formed over the photosensitive layer. The amorphous silicon of the photosensitive layer includes boron of 0.1-5 ppm, and the amorphous silicon of the surface layer includes nitrogen. The layers of material formed over the support include a charge blocking layer.