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:
Jan. 26, 2021
Filed:
Feb. 18, 2020
International Business Machines Corporation, Armonk, NY (US);
Brent A. Anderson, Jericho, VT (US);
Edward J. Nowak, Shelburne, VT (US);
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
A vertical transport fin field effect transistor (VTFET) with a smaller cross-sectional area at the top of the fin than at the bottom, including, a substrate, a vertical fin on the substrate, wherein the vertical fin has a cross-sectional area at the base of the vertical fin that is larger than a cross-sectional area at the top of the vertical fin, wherein the cross-sectional area at the top of the vertical fin is in the range of about 10% to about 75% of the cross-sectional area at the base of the vertical fin, and a central gated region between the base and the top of the vertical fin.