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, 2014
Filed:
Aug. 25, 2010
Mario Giuseppe Saggio, Aci Castello, IT;
Alfio Guarnera, Trecastagni, IT;
Simone Rascuna′, Catania, IT;
Mario Giuseppe Saggio, Aci Castello, IT;
Alfio Guarnera, Trecastagni, IT;
Simone Rascuna′, Catania, IT;
STMicroelectronics S.R.L., Agrate Brianza (MB), IT;
Abstract
An embodiment of a semiconductor structure for a power device integrated on a semiconductor substrate, of a first type of conductivity, and comprising:—an epitaxial layer, of said first type of conductivity, made on said semiconductor substrate, and having a plurality of column structures, of a second type of conductivity, to define a charge balancing region;—an active surface layer made on said epitaxial layer for housing a plurality of active regions; said epitaxial layer comprising a semiconductor separating layer arranged between the charge balancing region and the active surface layer, said semiconductor separating layer decoupling said column structures from said active regions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile