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:
May. 28, 1991
Filed:
Oct. 11, 1990
Applicant:
Inventors:
Mitsuyuki Niwa, Nagahama, JP;
Takayoshi Arai, Nagahama, JP;
Isamu Shimizu, Yokohama, JP;
Eiji Takeuchi, Nagahama, JP;
Tsutomu Murakami, Nagahama, JP;
Shunichi Ishihara, Ebina, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 30 ; 357-2 ; 357 16 ; 357-4 ; 357 90 ; 357 59 ; 357 63 ; 357 32 ; 357 58 ;
Abstract
A photosensor has a photoconductive member. The photoconductive member has a structure comprising a laminated product consisting of functional thin films superposed on one another. The laminated product comprises at least two functional thin films. The functional thin film containing 10 atomic % or less of hydrogen. The band gaps and conduction types and/or conductivity of the functional thin films are controlled to provide high photo sensitivity.