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:
Oct. 12, 2021
Filed:
Apr. 30, 2019
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventors:
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); G02B 17/08 (2006.01); H01L 21/48 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70266 (2013.01); G02B 17/0892 (2013.01); G03F 7/7015 (2013.01); G03F 7/70225 (2013.01); G03F 7/70283 (2013.01); G03F 7/70308 (2013.01); G03F 7/70641 (2013.01); G03F 7/70958 (2013.01); H01L 21/4871 (2013.01);
Abstract
An optical lithography system for patterning semiconductor devices and a method of using the same are disclosed. In an embodiment, an apparatus includes an optical path; a prism disposed on the optical path; a lens disposed on the optical path; and a tunable mirror disposed on the optical path, the tunable mirror including a mirror having a concave surface at a front-side thereof; a rear support attached to a backside of the mirror; and a plurality of fine-adjustment screws extending from the rear support to the backside of the mirror.