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:
Dec. 02, 1986
Filed:
Mar. 30, 1984
Applicant:
Inventor:
Hideyo Nishizima, Numazu, JP;
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 86 ; 430 95 ;
Abstract
The electrophotographic element comprising mounting on an electrically conductive substrate a Se-Te-Cl alloy system photoconductive layer which contains Te in the range of 6 to 12 wt. % of Se, Cl in the range of 10 to 30 ppm of the total amount of Se and Te and O.sub.2 as impurity 10 ppm or less of the whole alloy, is superior especially in temperature and light fatigue characteristics.