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:
Dec. 17, 2019

Filed:

Dec. 10, 2018
Applicant:

Gigaphoton Inc., Tochigi, JP;

Inventors:

Tsukasa Hori, Oyama, JP;

Shinji Okazaki, Oyama, JP;

Assignee:

Gigaphoton Inc., Tochigi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05G 2/00 (2006.01); G21K 1/06 (2006.01); G21K 1/14 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
H05G 2/008 (2013.01); G03F 7/20 (2013.01); G21K 1/06 (2013.01); G21K 1/14 (2013.01);
Abstract

An extreme UV light generation device may include: a chamber having a plasma generation region at an inside of the chamber, the chamber receiving a target substance externally supplied to the plasma generation region; an outlet port provided on the chamber; a magnetic field generating unit configured to generate a magnetic field to converge cations on the outlet port, the cations being generated from the target substance that has been turned into plasma in the plasma generation region; an electron emission unit configured to emit electrons neutralizing the cations; and an exhaust tube joined to the outlet port and through which a neutralized substance obtained by neutralizing the cations flows.


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