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. 27, 2024
Filed:
Jan. 28, 2022
Applicant:
Globalfoundries U.s. Inc., Malta, NY (US);
Inventors:
Viorel Ontalus, Unionville, CT (US);
Justin C. Long, Poughkeepsie, NY (US);
Robert K. Baiocco, Poughquag, NY (US);
Assignee:
GLOBALFOUNDRIES U.S. Inc., Malta, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/73 (2006.01); H01L 29/732 (2006.01); H01L 29/08 (2006.01); H01L 29/10 (2006.01); H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
H01L 29/732 (2013.01); H01L 29/0804 (2013.01); H01L 29/1004 (2013.01); H01L 29/66287 (2013.01);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to a bipolar transistor and methods of manufacture. The structure includes: a collector region in a semiconductor substrate; a base region adjacent to the collector region; and an emitter extending above the base region and comprising semiconductor material and a hardmask surrounding a lower portion of the semiconductor material.