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. 16, 2004
Filed:
Sep. 24, 2002
Applicant:
Inventor:
Kazunori Taguchi, Fukuoka, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/348 ; H01L 2/304 ; H01L 2/3053 ;
U.S. Cl.
CPC ...
H01L 2/348 ; H01L 2/304 ; H01L 2/3053 ;
Abstract
A semiconductor device has a semiconductor element housed in a ceramic cylinder as an insulated vessel, and plural gate terminals. Plural through-holes are formed in the ceramic cylinder. Leads connected to gate terminals pass through their respective through-holes. The leads are connected to internal gate terminals (electrodes). Each internal gate terminal is provided for each lead and connected electrically to a gate electrode of the semiconductor element.