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:
Dec. 07, 2021
Filed:
Jan. 02, 2020
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Judson R. Holt, Ballston Lake, NY (US);
Vibhor Jain, Williston, VT (US);
Qizhi Liu, Lexington, MA (US);
Ramsey Hazbun, Colchester, VT (US);
Pernell Dongmo, Essex Junction, VT (US);
John J. Pekarik, Underhill, VT (US);
Cameron E. Luce, Colchester, VT (US);
GLOBALFOUNDRIES U.S. INC., Malta, NY (US);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to heterojunction bipolar transistors and methods of manufacture. The structure includes: a sub-collector region in a substrate; a collector region above the sub-collector region, the collector region composed of semiconductor material; an intrinsic base region composed of intrinsic base material surrounded by the semiconductor material above the collector region; and an emitter region above the intrinsic base region.