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:
Nov. 22, 2022
Filed:
Jan. 24, 2019
Hamamatsu Photonics K.k., Hamamatsu, JP;
Yoshio Mizuta, Hamamatsu, JP;
Takashi Kurita, Hamamatsu, JP;
Takeshi Watari, Hamamatsu, JP;
Yuki Kabeya, Hamamatsu, JP;
Norio Kurita, Hamamatsu, JP;
Toshiyuki Kawashima, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K, Hamamatsu, JP;
Abstract
A laser processing apparatus includes a light source which outputs a laser light, and a waveform control unit which controls a pulse waveform of the laser light irradiating the workpiece, in which the pulse waveform of the laser light controlled by the waveform control unit includes a main pulse and a foot pulse temporally preceding the main pulse, and a peak intensity of the foot pulse is smaller than a peak intensity of the main pulse, and a peak position of the main pulse is positioned in a retention time period of plasma generated due to an incidence of the foot pulse on the workpiece.