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. 10, 1991
Filed:
Oct. 19, 1989
Applicant:
Inventor:
Seiichi Iwamatsu, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01B / ;
U.S. Cl.
CPC ...
505-1 ; 357-4 ; 357-5 ; 357 233 ; 505702 ; 505874 ;
Abstract
A field effect type Josephson transistor in which a source electrode and a drain electrode are provided with a gap therebetween, a tunnel film is provided in the gap between the source electrode and drain electrode, and a gate electrode for field-controlling the tunnel current through the tunnel film is provided. The transistor of such structure is suitable for mass-production and is utilized in manufacture of integrated circuits.