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:
Nov. 08, 2022
Filed:
Feb. 07, 2020
Applicant:
Sensors Unlimited, Inc., Princeton, NJ (US);
Inventors:
Wei Huang, Plainsborough, NJ (US);
Douglas Stewart Malchow, Lawrence, NJ (US);
Michael J. Evans, Yardley, PA (US);
John Liobe, New York, NY (US);
Wei Zhang, Princeton, NJ (US);
Assignee:
Sensors Unlimited, Inc., Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14636 (2013.01); H01L 27/14634 (2013.01); H01L 27/14683 (2013.01); H01L 27/14649 (2013.01);
Abstract
A system includes a pixel including a diffusion layer in contact with an absorption layer. The diffusion layer and absorption layer are in contact with one another along an interface that is inside of a mesa. A trench is defined in the absorption layer surrounding the mesa. An overflow contact is seated in the trench.