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:
Oct. 22, 2019

Filed:

Dec. 10, 2017
Applicant:

Gigaphoton Inc., Tochigi, JP;

Inventors:

Takashi Saito, Oyama, JP;

Yoshifumi Ueno, Oyama, JP;

Georg Soumagne, Oyama, JP;

Assignee:

Gigaphoton Inc., Tochigi, JP;

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

The extreme ultraviolet light generation device includes a chamber having a first through-hole that allows a pulse laser beam to enter the chamber, a target supply unit held by the chamber and configured to output a target toward a predetermined region in the chamber, a shield member surrounding the predetermined region in the chamber and having a target path that allows the target outputted from the target supply unit to pass toward the predetermined region, and a tubular member surrounding at least a part of an upstream portion of the trajectory of the target outputted from the target supply unit toward the predetermined region, the upstream portion being upstream from the target path of the shield member.


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