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Proceedings Paper

Glass welding technology using ultra short laser pulses
Author(s): Stephan Roth; Kristian Cvecek; Isamu Miyamoto; Michael Schmidt
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Paper Abstract

Glass welding by ultra short laser pulses is a highly promising method to fusion weld glass pieces since it does not need an absorber or pre- and post-heating processes when compared to other laser fusion welding processes. This method utilizes strongly focused ultra short pulses that generate localized plasma which heats and melts the adjacent material. If the plasma region is sufficiently localized the stresses induced by plasma and heat can be tolerated so that defect-free joining of the brittle glass material can be accomplished. This paper gives an overview on the process and shows the advantages and limitations of this joining technology. A method that allows to determine the bonding energy of the welding seams is presented along with measurement results.

Paper Details

Date Published: 21 February 2011
PDF: 11 pages
Proc. SPIE 7920, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI, 792006 (21 February 2011); doi: 10.1117/12.881183
Show Author Affiliations
Stephan Roth, BLZ Bayerisches Laserzentrum GmbH (Germany)
Friedrich-Alexander Univ. Erlangen-Nürnberg (Germany)
Kristian Cvecek, BLZ Bayerisches Laserzentrum GmbH (Germany)
Isamu Miyamoto, Osaka Univ. (Japan)
Friedrich-Alexander Univ. Erlangen-Nürnberg (Germany)
Michael Schmidt, BLZ Bayerisches Laserzentrum GmbH (Germany)
Lehrstuhl für Photonische Technologien (Germany)
Friedrich-Alexander Univ. Erlangen-Nürnberg (Germany)

Published in SPIE Proceedings Vol. 7920:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI
Bo Gu; Guido Hennig; Xianfan Xu; Hiroyuki Niino, Editor(s)

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