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:
Aug. 12, 2025
Filed:
Mar. 03, 2022
Applicant:
Gigaphoton Inc., Tochigi, JP;
Inventors:
Assignee:
Gigaphoton Inc., Tochigi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); G01M 3/04 (2006.01); G01M 3/32 (2006.01); H01S 3/036 (2006.01); H01S 3/225 (2006.01);
U.S. Cl.
CPC ...
H01S 3/0014 (2013.01); G01M 3/04 (2013.01); G01M 3/32 (2013.01); H01S 3/036 (2013.01); H01S 3/2251 (2013.01);
Abstract
A leak check method for a laser device includes exposing a closed space accommodating laser medium gas to the atmosphere, isolating the closed space from the atmosphere after exposing the closed space to the atmosphere, introducing neon-containing gas containing neon gas to the closed space, and determining whether or not the neon gas is leaking to outside of the closed space.