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. 31, 2020
Filed:
Oct. 02, 2018
Applicant:
Foveon, Inc., San Jose, CA (US);
Inventor:
Shrinath Ramaswami, San Jose, CA (US);
Assignee:
Foveon, Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0232 (2014.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14647 (2013.01); H01L 27/14605 (2013.01); H01L 27/14627 (2013.01); H01L 27/14629 (2013.01); H01L 27/14636 (2013.01);
Abstract
A focal plane phase detect pixel sensor is formed on a substrate and includes a surface pixel sensor formed in a pixel sensor area at a surface of the substrate. The surface pixel sensor has a sensing area occupying no more than an adjacent pair of quadrants centered in the pixel sensor area. A microlens is disposed over the surface pixel sensor.