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. 17, 2002
Filed:
Jan. 22, 1999
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/974 ; H01L 2/306 ; H01L 2/316 ; H01L 2/342 ; H01L 2/978 ;
U.S. Cl.
CPC ...
H01L 2/974 ; H01L 2/306 ; H01L 2/316 ; H01L 2/342 ; H01L 2/978 ;
Abstract
In accordance with a press contact type semiconductor device, a metallic body having macroscopic vacancies inside is arranged between a main electrode of the semiconductor device and a main electrode plate, or between an intermediate electrode plate arranged on a respective main plane of the semiconductor element and a main electrode plate.
Kodama, Hironori. (2002). Semiconductor device, including an arrangement to provide a uniform press contact and converter using same (U.S. Patent No. 6495924). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6495924
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile