Glass welding technology using ultra short laser pulses

Stephan Roth; Kristian Cvecek; Isamu Miyamoto; Michael Schmidt

doi:10.1117/12.881183

21 February 2011 Glass welding technology using ultra short laser pulses

Stephan Roth, Kristian Cvecek, Isamu Miyamoto, Michael Schmidt

Proceedings Volume 7920, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI; 792006 (2011) https://doi.org/10.1117/12.881183
Event: SPIE LASE, 2011, San Francisco, California, United States

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.

Citation Download Citation

Stephan Roth, Kristian Cvecek, Isamu Miyamoto, and Michael Schmidt "Glass welding technology using ultra short laser pulses", Proc. SPIE 7920, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI, 792006 (21 February 2011); https://doi.org/10.1117/12.881183

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