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:
Jan. 28, 2025

Filed:

Oct. 14, 2020
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;

Inventors:

Che-Cheng Chang, New Taipei, TW;

Chih-Han Lin, Hsinchu, TW;

Horng-Huei Tseng, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/66 (2006.01); H01L 21/8238 (2006.01); H01L 27/088 (2006.01); H01L 27/092 (2006.01); H01L 29/06 (2006.01); H01L 29/08 (2006.01); H01L 29/49 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0886 (2013.01); H01L 21/823814 (2013.01); H01L 21/823821 (2013.01); H01L 27/0924 (2013.01); H01L 29/0657 (2013.01); H01L 29/0847 (2013.01); H01L 29/4966 (2013.01); H01L 29/66636 (2013.01); H01L 29/66795 (2013.01); H01L 29/7848 (2013.01); H01L 29/785 (2013.01); H01L 29/7853 (2013.01);
Abstract

A FinFET including a gate stack, a semiconductor fin embedded in the gate stack, a source and a drain disposed is provided. The semiconductor fin extends along a widthwise direction of the gate stack and has a first concave and a second concave exposed at sidewalls of the gate stack respectively. The source and drain are disposed at two opposite sides of the gate stack. The source includes a first portion in contact with and embedded in the first concave. The drain includes a second portion in contact with and embedded in the second concave. The first portion and the second portion are covered by the gate stack.


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