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:
Mar. 04, 2014
Filed:
Dec. 21, 2011
Applicants:
Flavien Hirigoyen, Grenoble, FR;
Julien Michelot, Grenoble, FR;
Inventors:
Flavien Hirigoyen, Grenoble, FR;
Julien Michelot, Grenoble, FR;
Assignee:
STMicroelectronics SA, Montrouge, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image sensor having a semiconductor substrate, at least two photosites in the substrate and an isolation region between the photosites. The isolation region has a first trench covered by a thin electrically insulating liner and filled with an electrically conductive material, the conductive material has a second trench at least partially filled with an optically isolating material.