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:
Nov. 16, 2021
Filed:
Jun. 05, 2020
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Henry L. Aldridge, Jr., Malta, NY (US);
Anthony K. Stamper, Burlington, VT (US);
Jeonghyun Hwang, Ithaca, NY (US);
Johnatan A. Kantarovsky, South Burlington, VT (US);
GLOBALFOUNDRIES U.S. INC., Santa Clara, CA (US);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to heterojunction bipolar transistors and methods of manufacture. The structure includes: a first semiconductor layer including a device region; a second semiconductor layer under the first semiconductor layer; a layer of conductive material between the first semiconductor layer and the second semiconductor layer; at least one contact extending to and contacting the layer of conductive material; and a device in the device region above the layer of conductive material.