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. 02, 2025

Filed:

May. 31, 2023
Applicant:

Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;

Inventors:

Ta-Pen Guo, Taipei, TW;

Guru Prasad, Austin, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 30/392 (2020.01); G03F 1/70 (2012.01); H01L 23/50 (2006.01);
U.S. Cl.
CPC ...
G06F 30/392 (2020.01); G03F 1/70 (2013.01); H01L 23/50 (2013.01);
Abstract

A semiconductor device includes a first power rail and a second power rail; a third power rail and a fourth power rail, the fourth power rail aligned with the third power rail in a column direction; a first cell arranged between the first power rail and the second power rail; a second cell arranged between the first power rail and the third power rail; and a dummy fin structure extending in the row direction and overlapped with the fourth power rail, wherein the dummy fin structure is configured as a non-functional device. A first active region of the first cell includes a first width in the column direction greater than a second width, in the column direction, of a second active region in the second cell.


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