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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.:

US 12689176 B1

PDFFull Text
Date of Patent:
Jul. 21, 2026

Filed:

Aug. 19, 2021

Quantum-cascade laser module

Applicant:

Hamamatsu Photonics K.k., Hamamatsu, JP;

Inventors:

Naota Akikusa, Hamamatsu, JP;

Tatsuo Dougakiuchi, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;

Attorney:

Faegre Drinker Biddle & Reath LLP

Primary Examiner:

Tod T Van Roy

Assistant Examiner:

Delma R Forde

Int. Cl.
CPC ...
H01S 5/022 (2021.01); F21K 9/00 (2016.01); H01S 5/02253 (2021.01); H01S 5/02257 (2021.01); H01S 5/02325 (2021.01); H01S 5/024 (2006.01); H01S 5/34 (2006.01);
U.S. Cl.
CPC ...
H01S 5/02325 (2021.01); H01S 5/02253 (2021.01); H01S 5/02257 (2021.01); H01S 5/02407 (2013.01); H01S 5/3402 (2013.01);
Abstract

A QCL module according to an embodiment includes a package accommodating a QCL element and provided with a window material for extracting a laser beam emitted from the QCL element to the outside, a lens hold member for holding a lens on which the laser beam output from the window material is incident, a cooling fan for cooling the package, and a base for holding the package, the lens hold member, and the cooling fan. The package and the lens hold member are fastened together to the base by a common screw member.

Find Patent Forward Citations

Akikusa, Naota. (2026). Quantum-cascade laser module (U.S. Patent No. 12689176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12689176

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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