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. 08, 1985
Filed:
Jul. 08, 1982
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H03K / ;
U.S. Cl.
CPC ...
357 76 ; 357 79 ; 357 82 ; 3072 / ; 3072 / ;
Abstract
A GTO thyristor stack comprises a pair of GTO thyristors in parallel connection and a pair of diodes in anti-parallel connection therewith. The elements in one of the GTO thyristor pair and the diode pair are located in the middle of the stack structure and sandwiched by the elements in the other with all the elements stacked in electrical connection. The stack structure is clamped by a pair of clamper members.