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:
Apr. 21, 2025
Filed:
May. 04, 2021
Applicant:
Taiwan Semiconductor Manufacturing Company Limited, Hsin-Chu, TW;
Inventors:
Assignee:
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2005.12); B08B 5/02 (2005.12);
U.S. Cl.
CPC ...
G03F 7/70925 (2012.12); B08B 5/02 (2012.12);
Abstract
A cleaning apparatus for cleaning a surface of a photomask includes a housing defining a chamber, a photomask holder disposed within the chamber, and a gas dispenser disposed within the chamber to direct gas toward the photomask holder. The gas dispenser has two or more gas dispensing outlets. A driver is coupled to at least one of the photomask holder or the gas dispenser to establish relative movement between the photomask holder and the gas dispenser.