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:
Feb. 14, 2023
Filed:
Dec. 04, 2019
Applicant:
Stmicroelectronics (Crolles 2) Sas, Crolles, FR;
Inventors:
Assignee:
STMicroelectronics (Crolles 2) SAS, Crolles, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/107 (2006.01); H01L 31/028 (2006.01); H01L 31/0745 (2012.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/107 (2013.01); H01L 31/0284 (2013.01); H01L 31/0745 (2013.01); H01L 31/1812 (2013.01);
Abstract
The present disclosure relates to a photodiode comprising a first part made of silicon and a second part made of doped germanium lying on and in contact with the first part, the first part comprising a stack of a first area and of a second area forming a p-n junction and the doping level of the germanium increasing as the distance from the p-n junction increases.