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. 02, 1986
Filed:
Jun. 06, 1983
Applicant:
Inventors:
Hubert Patalong, Munich, DE;
Eberhard Spenke, Pretzfeld, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
3072 / ; 3072 / ; 3072 / ; 307305 ; 357 38 ;
Abstract
A thyristor has a semiconductor body exhibiting an n-p-n-p layer sequence with the small n-emitter and the p-emitter being contacted by first and second electrodes. The p-base layer has a third electrode connected to the first electrode through a first current source connectible with a first polarity. For triggering or quenching the thyristor as quickly and efficiently as possible, the n-base layer has a fourth electrode connected to the second electrode through a second connectible current source, the second current source being connectible to the fourth electrode with a second polarity opposite the first polarity.