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:
Sep. 06, 2016

Filed:

Feb. 07, 2014
Applicant:

Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;

Inventor:

Chien-Ming Lin, Taipei, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01); H01L 29/78 (2006.01); H01L 29/165 (2006.01); H01L 29/205 (2006.01); H01L 29/66 (2006.01); H01L 29/775 (2006.01); H01L 29/423 (2006.01); B82Y 10/00 (2011.01);
U.S. Cl.
CPC ...
H01L 29/785 (2013.01); B82Y 10/00 (2013.01); H01L 29/068 (2013.01); H01L 29/0673 (2013.01); H01L 29/165 (2013.01); H01L 29/205 (2013.01); H01L 29/42392 (2013.01); H01L 29/66439 (2013.01); H01L 29/66795 (2013.01); H01L 29/775 (2013.01);
Abstract

In some embodiments, an FET structure comprises a heterostructure, and a gate structure. The heterostructure comprises a first section, a barrier section and a second section such that a portion of the first section, the barrier section, and a portion of the second section form a channel region, and portions of the first section and the second section on opposite sides of the channel region form at least portions of source and drain regions, respectively. When the channel region is p type, the barrier section has a positive valence band offset with respect to each of the first section and the second section, or when the channel region is n type, the barrier section has a positive conduction band offset with respect to each of the first section and the second section. A gate structure is configured over the channel region.


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