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:
May. 01, 2018

Filed:

May. 22, 2017
Applicant:

Globalfoundries Inc., Grand Cayman, KY;

Inventors:

Siddarth A. Krishnan, Peekskill, NY (US);

Unoh Kwon, Fishkill, NY (US);

Vijay Narayanan, New York, NY (US);

Jeffrey W. Sleight, Ridgefield, CT (US);

Assignee:

GLOBALFOUNDRIES INC., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01); H01L 29/66 (2006.01); H01L 29/739 (2006.01); H01L 29/417 (2006.01); H01L 29/423 (2006.01); H01L 29/775 (2006.01); H01L 29/45 (2006.01); H01L 29/165 (2006.01); H01L 29/205 (2006.01);
U.S. Cl.
CPC ...
H01L 29/0673 (2013.01); H01L 29/41758 (2013.01); H01L 29/42356 (2013.01); H01L 29/66356 (2013.01); H01L 29/66469 (2013.01); H01L 29/66553 (2013.01); H01L 29/7391 (2013.01); H01L 29/775 (2013.01); H01L 29/165 (2013.01); H01L 29/205 (2013.01); H01L 29/45 (2013.01); H01L 29/458 (2013.01);
Abstract

After forming a buried nanowire segment surrounded by a gate structure located on a substrate, an epitaxial source region is grown on a first end of the buried nanowire segment while covering a second end of the buried nanowire segment and the gate structure followed by growing an epitaxial drain region on the second end of the buried nanowire segment while covering the epitaxial source region and the gate structure. The epitaxial source region includes a first semiconductor material and dopants of a first conductivity type, while the epitaxial drain region includes a first semiconductor material different from the first semiconductor material and dopants of a second conductivity type opposite the first conductivity type.


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