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:
May. 04, 2004
Filed:
Feb. 06, 1995
Applicant:
Inventors:
Raffaele Zambrano, S. Giovanni La Punta, IT;
Salvatore Musumeci, Riposto, IT;
Assignee:
STMicroelectronics Srl, Brianza, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/1331 ; H01L 2/18222 ;
U.S. Cl.
CPC ...
H01L 2/1331 ; H01L 2/18222 ;
Abstract
The device uses the horizontal insulating region and the buried layer as the power transistor base and emitter respectively. An epitaxial growth is interposed between the two diffusions needed to form the aforesaid regions and those needed to create the base and the emitter of the transistor of the integrated control circuit.