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. 14, 2025
Filed:
Jun. 28, 2022
Applicant:
Globalfoundries U.s. Inc., Malta, NY (US);
Inventors:
Uppili S. Raghunathan, Essex Junction, VT (US);
Vibhor Jain, Williston, VT (US);
Qizhi Liu, Lexington, MA (US);
Yves T. Ngu, Williston, VT (US);
Ajay Raman, Essex Junction, VT (US);
Rajendran Krishnasamy, Essex Junction, VT (US);
Alvin J. Joseph, Williston, VT (US);
Assignee:
GLOBALFOUNDRIES U.S. Inc., Malta, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/10 (2005.12); H01L 29/08 (2005.12);
U.S. Cl.
CPC ...
H01L 29/1095 (2012.12); H01L 29/0804 (2012.12); H01L 29/0821 (2012.12); H01L 29/1004 (2012.12);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to a bipolar transistor with a stepped emitter and methods of manufacture. The structure includes: a collector; a base over the collector; and an emitter over the base, the emitter comprising at least one stepped feature over the base.