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:
May. 30, 2023
Filed:
Jun. 10, 2022
Applicant:
Db Hitek Co., Ltd., Bucheon-si, KR;
Inventors:
Assignee:
DB HiTek, Co., Ltd., Bucheon-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/107 (2006.01); H01L 31/02 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 31/107 (2013.01); H01L 27/1461 (2013.01); H01L 27/1463 (2013.01); H01L 27/14605 (2013.01); H01L 31/02027 (2013.01);
Abstract
Provided are a single-photon avalanche diode (SPAD) pixel structure and a method of manufacturing the same. More particularly, provided are a SPAD pixel structure and a method of manufacturing the same, including an additional PN junction in a vertical or horizontal direction to increase photon detection efficiency and thus improve the sensitivity in an imaging device.