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.

Date of Patent:
Apr. 21, 2025

Filed:

Jun. 30, 2019
Applicant:

Hamamatsu Photonics K.k., Hamamatsu, JP;

Inventors:

Hirotake Fukuoka, Hamamatsu, JP;

Yuta Kondoh, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/03 (2005.12); B23K 26/046 (2013.12); B23K 26/06 (2013.12); B23K 26/53 (2013.12);
U.S. Cl.
CPC ...
B23K 26/032 (2012.12); B23K 26/046 (2012.12); B23K 26/0643 (2012.12); B23K 26/53 (2015.09);
Abstract

A laser processing device including a laser light source that outputs laser light, a measurement light source that outputs measurement light, a converging unit that converges the laser light toward an object to be processed to form a first converging point and converges the measurement light toward the object to be processed to form a second converging point, a measurement part for measuring displacement of an entrance surface according to reflected light of the measurement light on the entrance surface of the laser light and the measurement light in the object to be processed, and an adjustment unit that adjusts a position of the first converging point in a direction intersecting the entrance surface according to a measurement result of the displacement of the entrance surface.


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