Beam delivery methods for highly efficient USP-laser micro structuring of large cylindrical surfaces for printing and embossing

Guido Hennig; Stephan Bruening; Beat Jäggi; Adrian Stirnimann; Beat  Neuenschwander

doi:10.1117/12.2290356

16 February 2018 Beam delivery methods for highly efficient USP-laser micro structuring of large cylindrical surfaces for printing and embossing

Guido Hennig, Stephan Bruening, Beat Jäggi, Adrian Stirnimann, Beat Neuenschwander

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Proceedings Volume 10519, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIII; 1051908 (2018) https://doi.org/10.1117/12.2290356
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

Despite of today’s availability of high power USP lasers up to several hundred Watts, it is still a challenge to structure large surface areas as required on printing and embossing rollers within an acceptable processing time for industrial production. This paper shows and compares the results of two different approaches, the parallel treatment of the workpiece with multiple beam arrangements (each beam individually modulated at repetition rates of up to 2 MHz) and a second approach based on high pulse repetition rates from 6 MHz to 16 MHz combined with fast beam scanning techniques with a polygon scanner up to 100 m/s.

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Guido Hennig, Guido Hennig, Stephan Bruening, Stephan Bruening, Beat Jäggi, Beat Jäggi, Adrian Stirnimann, Adrian Stirnimann, Beat Neuenschwander, Beat Neuenschwander, } "Beam delivery methods for highly efficient USP-laser micro structuring of large cylindrical surfaces for printing and embossing", Proc. SPIE 10519, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIII, 1051908 (16 February 2018); doi: 10.1117/12.2290356; https://doi.org/10.1117/12.2290356

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