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:
Apr. 01, 2025
Filed:
Jan. 11, 2022
Applicant:
Db Hitek Co., Ltd., Bucheon-si, KR;
Inventor:
Byoung Soo Choi, Suwon-si, KR;
Assignee:
DB HiTek Co., Ltd., Bucheon-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
H10F 30/225 (2025.01); H10F 39/00 (2025.01); H10F 71/00 (2025.01); H10F 77/20 (2025.01);
U.S. Cl.
CPC ...
H10F 30/225 (2025.01); H10F 39/011 (2025.01); H10F 39/811 (2025.01); H10F 71/139 (2025.01); H10F 77/206 (2025.01);
Abstract
Disclosed are a SPAD pixel structure and a method of manufacturing the same, in which a cathode contact is formed on a back surface of a substrate instead of a front surface, thereby reducing or minimizing the distance between adjacent unit pixels and increasing the fill-factor of each unit pixel.