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:
Mar. 04, 2025
Filed:
Nov. 20, 2020
Applicant:
Hamamatsu Photonics K.k., Hamamatsu, JP;
Inventors:
Yotaro Wani, Hamamatsu, JP;
Yasunori Igasaki, Hamamatsu, JP;
Assignee:
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/04 (2014.01); B23K 26/00 (2014.01); B23K 26/046 (2014.01); B23K 26/10 (2006.01); B23K 26/53 (2014.01); G02B 5/30 (2006.01); G02B 27/09 (2006.01); G02B 27/28 (2006.01); G02F 1/01 (2006.01); H01L 21/304 (2006.01); H01L 21/78 (2006.01); B23K 101/40 (2006.01); B23K 103/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/286 (2013.01); B23K 26/0006 (2013.01); B23K 26/046 (2013.01); B23K 26/53 (2015.10); G02B 5/3025 (2013.01); G02B 27/0927 (2013.01); G02B 27/283 (2013.01); G02F 1/0136 (2013.01); B23K 2101/40 (2018.08); B23K 2103/56 (2018.08); B29C 2791/009 (2013.01);
Abstract
There is provided a laser processing device that performs laser processing on an object made of a birefringent material, the device including: a light source that outputs laser light; a spatial light modulator that modulates the laser light output from the light source; a focusing lens that focuses the laser light toward the object; and a polarized light component control unit that is a function of the spatial light modulator to control polarized light components of the laser light such that the laser light is focused on one point in the object in a Z direction (optical axis direction).