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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 10495804 B1

PDFFull Text
Date of Patent:
Dec. 03, 2019

Filed:

Dec. 12, 2018

Optical plate, light irradiation device, light measurement device, light irradiation method, and light measurement method

Applicant:

Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;

Inventors:

Satoshi Yamamoto, Hamamatsu, JP;

Kenshi Fukumitsu, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;

Attorney:

Drinker Biddle & Reath LLP

Primary Examiner:

Michael P Stafira

Int. Cl.
CPC ...
G01N 21/01 (2006.01); F21V 8/00 (2006.01); F21S 2/00 (2016.01); G01N 21/03 (2006.01); G01N 21/27 (2006.01); G01N 21/64 (2006.01); G02B 6/00 (2006.01); B23K 26/53 (2014.01); B23K 26/03 (2006.01); G01N 21/47 (2006.01); G01N 21/55 (2014.01); G01N 33/483 (2006.01); A61B 5/1455 (2006.01); G01N 21/25 (2006.01); G01N 21/49 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0035 (2013.01); A61B 5/1455 (2013.01); B23K 26/032 (2013.01); B23K 26/53 (2015.10); F21S 2/00 (2013.01); G01N 21/01 (2013.01); G01N 21/03 (2013.01); G01N 21/253 (2013.01); G01N 21/27 (2013.01); G01N 21/47 (2013.01); G01N 21/49 (2013.01); G01N 21/55 (2013.01); G01N 21/64 (2013.01); G01N 21/6428 (2013.01); G01N 21/6452 (2013.01); G01N 21/6456 (2013.01); G01N 33/4833 (2013.01); G02B 6/00 (2013.01); G01N 2201/068 (2013.01); G01N 2201/06113 (2013.01);
Abstract

An optical plate is an optical plate for irradiating a target with light, and includes a light input surface for inputting the light, a light output surface for outputting the light, a back surface opposite to the light output surface, and a light diffusion portion formed at least inside the optical plate by converging laser light, for diffusing the light. The light input surface is a surface between the light output surface and the back surface, and the light input from the light input surface is diffused in the light diffusion portion and output from the light output surface.

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