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:
Mar. 29, 2022
Filed:
Dec. 14, 2020
Applicant:
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Inventors:
Ching-Hsiang Hsu, Hsinchu, TW;
James Jeng-Jyi Hwang, Hsin-Chu County, TW;
Feng Yuan Hsu, Yilan County, TW;
Assignee:
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70066 (2013.01); G03F 7/70033 (2013.01); G03F 7/70191 (2013.01);
Abstract
A reticle-masking structure is provided. The reticle-masking structure includes a magnetic substrate and a paramagnetic part disposed on the magnetic substrate. The paramagnetic part includes a plurality of fractions disposed on a plurality of protrusion structures. In some embodiments, the protrusion structures are irregularly arranged. A method for forming a reticle-masking structure and an extreme ultraviolet apparatus are also provided.