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:
Jul. 05, 2022
Filed:
Oct. 29, 2020
Applicant:
Stmicroelectronics (Crolles 2) Sas, Crolles, FR;
Inventors:
Stephane Monfray, Eybens, FR;
Frédéric Boeuf, Le Versoud, FR;
Assignee:
STMICROELECTRONICS (CROLLES 2) SAS, Crolles, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/035 (2006.01); G02F 1/025 (2006.01); H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
G02F 1/025 (2013.01); H01L 29/66136 (2013.01); G02F 2201/063 (2013.01);
Abstract
A photonic device includes a first region having a first doping type, and a second region having a second doping type, where the first region and the second region contact to form a vertical PN junction. The first region includes a silicon germanium (SiGe) region having a gradual germanium concentration.