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:
Jul. 12, 2022
Filed:
Jun. 09, 2020
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/10 (2006.01); H01S 5/02375 (2021.01); H01S 5/14 (2006.01); H01S 5/40 (2006.01);
U.S. Cl.
CPC ...
H01S 5/02375 (2021.01); H01S 5/141 (2013.01); H01S 5/4012 (2013.01); H01S 5/4062 (2013.01); H01S 5/4087 (2013.01);
Abstract
An external cavity laser module is configured to emit a laser beam and includes: a collimation laser light source having a Littrow configuration; a diffraction grating configured to selectively reflect and transmit light of a specific wavelength; a support member supporting the collimation laser light source and the diffraction grating; and a base rotatably supporting the support member to correct an axial direction of the laser beam emitted from the external cavity laser module.