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:
Aug. 20, 2024

Filed:

Mar. 25, 2022
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;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70066 (2013.01); G03F 7/70033 (2013.01); G03F 7/70191 (2013.01); G03F 7/70916 (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 fractions are irregularly arranged. A method for forming a reticle-masking structure and an extreme ultraviolet apparatus are also provided.


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