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.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
May. 13, 2022
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Abstract
A method for forming a pattern layout is provided, including receiving an IC design layout including a layout block, a first line pattern is disposed inside the layout block along the first direction; forming a second line pattern disposed outside the layout block parallel to the first line patterns; forming a mandrel bar pattern oriented along the second direction and overlapping the first line pattern and the second line pattern, the mandrel bar pattern is between the first edge and the third edge of the layout block that are parallel to the first direction, and a first end of the mandrel bar pattern is separated from the first edge and overlaps a first side edge of one of the first line pattern or the second line pattern closest to the first edge; and outputting a pattern layout.