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:
Mar. 06, 1990
Filed:
Mar. 28, 1989
Applicant:
Inventors:
Mamoru Miyawaki, Tokyo, JP;
Yukio Masuda, Atsugi, JP;
Ryuichi Arai, Sagamihara, JP;
Nobutoshi Mizusawa, Sagamihara, JP;
Takahiko Ishiwatari, Yamato, JP;
Hitoshi Oda, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313542 ; 313499 ; 313501 ; 313507 ; 313523 ; 313366 ; 313373 ; 313380 ; 313384 ; 313385 ; 357 30 ;
Abstract
A photoelectron beam converting device including a semiconductor substrate having a p-n junction formed between an n-type region and a p-type region and an opening portion formed on the side of the semiconductor substrate. An electron beam is generated by a light which enters from the opening portion and by a reverse voltage to be applied to the p-n junction.