Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WELDING METHOD AND WELDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/203367
Kind Code:
A1
Abstract:
This welding method includes disposing a copper-containing workpiece in a region irradiated with laser light, irradiating the workpiece with the laser light, and melting the workpiece at the irradiated portion to perform welding. The laser light is configured from a main beam and a plurality of auxiliary beams. The ratio of the power of the main beam and the total power of the plurality of auxiliary beams is in a range from 72:1 to 3:7. This welding device is provided with a laser device, and an optical head that irradiates a copper-containing workpiece with laser light outputted from the laser device and melts the workpiece at the irradiated portion to perform welding. The laser light with which the workpiece is irradiated is configured from a main beam and a plurality of auxiliary beams. The ratio of the power of the main beam and the total power of the plurality of auxiliary beams is in a range from 72:1 to 3:7.

Inventors:
YASUOKA, Tomomichi (2-3, Marunouchi 2-chome, Chiyoda-k, Tokyo 22, 〒1008322, JP)
KAYAHARA, Takashi (2-3, Marunouchi 2-chome, Chiyoda-k, Tokyo 22, 〒1008322, JP)
SAKAI, Toshiaki (2-3, Marunouchi 2-chome, Chiyoda-k, Tokyo 22, 〒1008322, JP)
NISHII, Ryosuke (2-3, Marunouchi 2-chome, Chiyoda-k, Tokyo 22, 〒1008322, JP)
SHIGEMATSU, Takashi (2-3, Marunouchi 2-chome, Chiyoda-k, Tokyo 22, 〒1008322, JP)
Application Number:
JP2019/017087
Publication Date:
October 24, 2019
Filing Date:
April 22, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FURUKAWA ELECTRIC CO., LTD. (2-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 22, 〒1008322, JP)
International Classes:
B23K26/067; B23K26/064; B23K26/21
Domestic Patent References:
WO2018159857A12018-09-07
Foreign References:
JPH06198470A1994-07-19
JP2012110905A2012-06-14
JPS63295093A1988-12-01
JPS63273587A1988-11-10
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
Download PDF:



 
Previous Patent: BOTTLE

Next Patent: METHOD FOR SECRETORY PRODUCTION OF PROTEIN