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:
Feb. 11, 2025
Filed:
Feb. 10, 2023
Applicant:
Gigaphoton Inc., Tochigi, JP;
Inventors:
Junichi Maekawa, Oyama, JP;
Hiroshi Furusato, Oyama, JP;
Assignee:
Gigaphoton Inc., Tochigi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/137 (2006.01); G03F 7/00 (2006.01); H01S 3/034 (2006.01); H01S 3/08 (2023.01); H01S 3/13 (2006.01); H01S 3/225 (2006.01);
U.S. Cl.
CPC ...
H01S 3/137 (2013.01); G03F 7/70025 (2013.01); H01S 3/08004 (2013.01); H01S 3/1305 (2013.01); H01S 3/034 (2013.01); H01S 3/225 (2013.01);
Abstract
A line narrowing module includes an enclosure, a prism which is disposed in an internal space of the enclosure and through which light passes, a mounter which is disposed in the internal space and on which the prism is mounted, a fixing unit which is disposed in the internal space and fixes the prism to the mounter, and a light blocking member. The light blocking member is disposed in the internal space and blocks scattered light in the internal space, the scattered light produced from the light and traveling to the fixing unit.