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:
Jan. 26, 2021
Filed:
Aug. 08, 2016
Hamamatsu Photonics K.k., Hamamatsu, JP;
Junji Okuma, Hamamatsu, JP;
Yo Sugimoto, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Abstract
A laser processing device includes: a support table; a laser light source; a converging optical system; an imaging unit configured to image a front surface of an object; a candidate line setting unit configured to set a plurality of candidate lines; an operation controller configured to control operation of at least one of the support table, the laser light source, and the converging optical system such that a modified region is formed inside the object along each of the plurality of candidate lines, and a crack reaches the front surface of the object from the modified region; and a reference line setting unit configured to set a reference line determined as a line indicating a crystal orientation of the object on the basis of an image of the crack.