Title:
LASER WELDING DEVICE AND LASER WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/176047
Kind Code:
A1
Abstract:
A laser welding device (100) welds together a first workpiece (110) and a second workpiece (111) and comprises: a laser emitting unit (101) that emits a laser light (105); a first detection unit (106) that differentiates and detects a plurality of types of light of different wavelength ranges and produced by the laser light (105) being irradiated onto the first workpiece (110); a second detection unit (107) that differentiates and detects a plurality of types of light of different wavelength ranges and produced by the laser light (105) being irradiated onto the second workpiece (111); and a determination unit (116) that determines, on the basis of the detection results from the first detection unit (106) and the second detection unit (107), the state of welding produced by the laser light (105) between the first workpiece (110) and the second workpiece (111).
Inventors:
IMOTO DAIKI
OHNO HIROSHI
KOBATA NAOHIKO
OHNO HIROSHI
KOBATA NAOHIKO
Application Number:
PCT/JP2022/043276
Publication Date:
September 21, 2023
Filing Date:
November 24, 2022
Export Citation:
Assignee:
PANASONIC HOLDINGS CORP (JP)
International Classes:
B23K26/00; B23K26/04; B23K26/21; B23K26/323
Foreign References:
| US20060000812A1 | 2006-01-05 | |||
| JP2021058927A | 2021-04-15 | |||
| JP2014205182A | 2014-10-30 |
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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