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Proceedings Paper

Microwelding of ultrathin metal foil using Yb-fiber laser
Author(s): Seo-jeong Park; Etsuji Ohmura; Isamu Miyamoto
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Paper Abstract

Present study was performed to determine the welding conditions for sound welding, efficiency and process of bead formation using Yb fiber laser for ultra thin metal foil (SUS304, thickness: 10~60μm). The influence of assist gas was investigated by the measurement of bead width at different gas flow rate and the conditions of keyhole welding was estimated with metal foil. Relationship between experimental results and thermal conduction calculation based on moving line heat source model was also investigated. Sound lap welding of 20μm to 30μm thickness was obtained.

Paper Details

Date Published: 19 February 2003
PDF: 5 pages
Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); doi: 10.1117/12.499620
Show Author Affiliations
Seo-jeong Park, Osaka Univ. (Japan)
Etsuji Ohmura, Osaka Univ. (Japan)
Isamu Miyamoto, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 4830:
Third International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Kojiro F. Kobayashi; Koji Sugioka; Reinhart Poprawe; Henry Helvajian, Editor(s)

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