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. 16, 2024
Filed:
Jun. 09, 2021
Applicant:
Omnivision Technologies, Inc., Santa Clara, CA (US);
Inventors:
Heesoo Kang, Cupertino, CA (US);
Bill Phan, San Jose, CA (US);
Seong Yeol Mun, Santa Clara, CA (US);
Assignee:
OMNIVISION TECHNOLOGIES, INC., Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14647 (2013.01); H01L 27/1463 (2013.01); H01L 27/14607 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01); H01L 27/14685 (2013.01); H01L 27/14689 (2013.01);
Abstract
SiGe photodiode for crosstalk reduction. In one embodiment, an image sensor includes a plurality of pixels arranged in rows and columns of a pixel array disposed in a semiconductor material. Each pixel includes a plurality of photodiodes. The plurality of pixels are configured to receive an incoming light through an illuminated surface of the semiconductor material. Each pixel includes a first photodiode comprising a silicon (Si) material; and a second photodiode having the Si material and a silicon germanium (SiGe) material.