Title:
EVALUATION METHOD, METHOD FOR MANUFACTURING WELDING MATERIAL, EVALUATION DEVICE, AND WELDING MATERIAL MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/176349
Kind Code:
A1
Abstract:
This evaluation method for evaluating a joint between a first member and a second member welded by laser light includes emitting a first light including a component in a first wavelength range through a first member to a joint of an object including the first member, a second member, and the joint, and capturing an image of the component in the first wavelength range in reflected light 101 generated by reflection of the first light by the object. The first member 110 includes a first resin. The first wavelength range is in the range of 850 nanometers to 220 nanometers. The first light is incoherent light.
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Inventors:
NOZAWA KATSUYA
Application Number:
PCT/JP2023/006505
Publication Date:
September 21, 2023
Filing Date:
February 22, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01N21/88; B29C65/82; G01N21/01; G01N21/17
Foreign References:
| JP2021105605A | 2021-07-26 | |||
| JP2004361229A | 2004-12-24 | |||
| JP2013166351A | 2013-08-29 | |||
| JP2014016926A | 2014-01-30 | |||
| JP2017531192A | 2017-10-19 | |||
| US20130269438A1 | 2013-10-17 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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