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:
Apr. 02, 2002
Filed:
Oct. 29, 1997
Satoshi Kojima, Kyoto-fu, JP;
Keishi Saito, Kyoto-fu, JP;
Hirokazu Ohtoshi, Nara, JP;
Masafumi Sano, Nara, JP;
Junichiro Hashizume, Nara, JP;
Yasuyoshi Takai, Nara, JP;
Ryo Hayashi, Nara, JP;
Masahiko Tonogaki, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In order to maintain excellent electrical, optical and photoconductive characteristics and to significantly improve the durability under adverse environments, a light receiving member for electrophotography according to the present invention comprises in sequence: a supporting member and a light receiving layer; said light receiving layer comprising in sequence at least a photoconductive layer and a surface layer thereon, said photoconductive layer comprising a non-single-crystal material containing silicon atoms as a matrix, and said surface layer comprising an amorphous material containing silicon atoms and carbon atoms as a matrix, wherein the carbon atoms are at least diamond-bonded and graphite-bonded, and wherein from 2% to 30% by number of the carbon atoms are graphite-bonded.