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.

Date of Patent:
Feb. 15, 2022

Filed:

Apr. 30, 2019
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Karthik Balakrishnan, White Plains, NY (US);

Bahman Hekmatshoartabari, White Plains, NY (US);

Alexander Reznicek, Troy, NY (US);

Jeng-Bang Yau, Yorktown Heights, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/098 (2006.01); H01L 21/8232 (2006.01); H01L 29/66 (2006.01); H01L 29/808 (2006.01); H01L 29/423 (2006.01); H01L 29/10 (2006.01); H01L 29/08 (2006.01); H01L 21/822 (2006.01); H01L 29/06 (2006.01); H01L 27/06 (2006.01);
U.S. Cl.
CPC ...
H01L 27/098 (2013.01); H01L 21/8221 (2013.01); H01L 21/8232 (2013.01); H01L 27/0688 (2013.01); H01L 29/0657 (2013.01); H01L 29/0843 (2013.01); H01L 29/1066 (2013.01); H01L 29/42316 (2013.01); H01L 29/66909 (2013.01); H01L 29/8083 (2013.01);
Abstract

A semiconductor device comprises a substrate, a first source/drain region on the substrate, a first channel region extending vertically with respect to the substrate from the first source/drain region, a second source/drain region on the first channel region, a third source/drain region on the second source/drain region, a second channel region extending vertically with respect to the substrate from the third source/drain region, a fourth source/drain region on the second channel region, a first gate region formed around from the first channel region, and a second gate region formed around the second channel region.


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