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. 23, 2019
Filed:
Aug. 28, 2017
Applicant:
Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;
Inventors:
Atsushi Sugiyama, Hamamatsu, JP;
Tadataka Edamura, Hamamatsu, JP;
Assignee:
HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/10 (2006.01); H01S 5/14 (2006.01); H01S 5/06 (2006.01); H01S 5/12 (2006.01); H01S 5/34 (2006.01); H01S 3/1055 (2006.01);
U.S. Cl.
CPC ...
H01S 5/141 (2013.01); H01S 3/1055 (2013.01); H01S 5/0607 (2013.01); H01S 5/12 (2013.01); H01S 5/3401 (2013.01); H01S 2302/00 (2013.01);
Abstract
A movable diffraction grating includes: a support portion; a movable portion swingably connected to the support portion; a coil buried in the movable portion; a magnetic field generator configured to apply a magnetic field to the coil; an insulation layer provided on a surface of the movable portion; a resin layer provided on the insulation layer and provided with a diffraction grating pattern; and a reflection layer formed of a metal and provided on the resin layer to follow the diffraction grating pattern.