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, 1991
Filed:
Jun. 20, 1990
Applicant:
Inventors:
Edoardo Botti, Vigevano, IT;
Aldo Torazzina, Monza, IT;
Assignee:
SGS-Thomson Microelectronics S.r.l., Agrate Brianza, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 34 ; 357 36 ; 357 46 ; 357 51 ; 357 86 ;
Abstract
An integratable power transistor with optimization of direct secondary breakdown phenomena which comprises a plurality of elementary transistors which are arranged side by side and comprise a plurality of cells, each of which is formed by an emitter reigon surrounded by base and collector regions, with the emitter regions arranged physically separated. According to the invention, the base regions are also arranged physically separated and are mutually connected by resistive elements.