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. 03, 2022
Filed:
Feb. 24, 2020
Applicant:
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Inventors:
Asif J. Chowdhury, Troy, NY (US);
Ajey Poovannummoottil Jacob, Watervliet, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Michal Rakowski, Ballston Spa, NY (US);
Assignee:
GLOBALFOUNDRIES U.S. INC., Malta, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/107 (2006.01); H01L 31/0232 (2014.01); H01L 31/02 (2006.01);
U.S. Cl.
CPC ...
H01L 31/107 (2013.01); H01L 31/02027 (2013.01); H01L 31/0232 (2013.01);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to photodiode structures and methods of manufacture. The structure includes: a charge region having a first doping concentration and a variable width; a multiplication region adjacent to the charge region; and an absorption region adjacent to the variable width charge region.