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:
Sep. 17, 2024

Filed:

Apr. 11, 2023
Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Tai-Yu Chen, Hsinchu, TW;

Cho-Ying Lin, Hsinchu, TW;

Sagar Deepak Khivsara, Hsinchu, TW;

Hsiang Chen, Hsinchu, TW;

Chieh Hsieh, Hsinchu, TW;

Sheng-Kang Yu, Hsinchu, TW;

Shang-Chieh Chien, Hsinchu, TW;

Kai Tak Lam, Hsinchu, TW;

Li-Jui Chen, Hsinchu, TW;

Heng-Hsin Liu, Hsinchu, TW;

Zhiqiang Wu, Hsinchu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05G 2/00 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
H05G 2/008 (2013.01); G03F 7/70033 (2013.01); G03F 7/7055 (2013.01); G03F 7/7085 (2013.01); H05G 2/006 (2013.01);
Abstract

A light source is provided capable of maintaining the temperature of a collector surface at or below a predetermined temperature. The light source in accordance with various embodiments of the present disclosure includes a processor, a droplet generator for generating a droplet to create extreme ultraviolet light, a collector for reflecting the extreme ultraviolet light into an intermediate focus point, a light generator for generating pre-pulse light and main pulse light, and a thermal image capture device for capturing a thermal image from a reflective surface of the collector.


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