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. 05, 2010
Filed:
Mar. 05, 2007
Applicants:
Arnaud Tournier, Grenoble, FR;
François Roy, Seyssins, FR;
Inventors:
Arnaud Tournier, Grenoble, FR;
François Roy, Seyssins, FR;
Assignee:
STMicroelectronics S.A., Montrouge, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/062 (2006.01); H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pixel having a MOS-type transistor formed in and above a semiconductor substrate of a first doping type, a buried semiconductor layer of a second doping type being placed in the substrate under the MOS transistor and separated therefrom by a substrate portion forming a well. The buried semiconductor layer comprises a thin portion forming a pinch area placed under the transistor channel area and a thick portion placed under all or part of the source/drain areas of the transistor.