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:
Jan. 28, 1997
Filed:
Nov. 15, 1994
Applicant:
Inventor:
Shigeyuki Matsumoto, Atsugi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257462 ; 257291 ; 257443 ;
Abstract
A photoelectric converting apparatus has a semiconductor transistor for accumulating carriers generated by a light excitation into a control electrode region. A portion in the control electrode region other than at least a portion which contributes to an operation of the transistor has impurity concentrations higher than an impurity concentration of the portion which contributes to the transistor operation.