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:
Oct. 12, 2021

Filed:

Sep. 25, 2019
Applicants:

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

Tsmc Nanjing Company, Limited, Nanjing, CN;

Inventors:

Kuan Jung Chen, Hsinchu, TW;

I-Chih Chen, Tainan, TW;

Chih-Mu Huang, Tainan, TW;

Ching-Pin Lin, Hsinchu, TW;

Sheng-Lin Hsieh, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 21/768 (2006.01); H01L 21/762 (2006.01); H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
H01L 29/785 (2013.01); H01L 21/76224 (2013.01); H01L 21/76831 (2013.01); H01L 29/6681 (2013.01);
Abstract

A semiconductor structure includes an active semiconductor fin having a first height, a dummy semiconductor fin adjacent to the active semiconductor fin and having a second height less than the first height, an isolation structure between the active semiconductor fin and the dummy semiconductor fin, and a dielectric cap over the dummy semiconductor fin. The dielectric cap is separated from the active semiconductor fin.


Find Patent Forward Citations

Loading…