Precision drilling of metals and ceramics with short- and ultrashort-pulsed solid state lasers

Christian Foehl; Detlef Breitling; Knut Jasper; Joachim Radtke; Friedrich Dausinger

doi:10.1117/12.456897

25 February 2002 Precision drilling of metals and ceramics with short- and ultrashort-pulsed solid state lasers

Christian Foehl, Detlef Breitling, Knut Jasper, Joachim Radtke, Friedrich Dausinger

Proceedings Volume 4426, Second International Symposium on Laser Precision Microfabrication; (2002) https://doi.org/10.1117/12.456897
Event: Second International Symposium on Laser Precision Micromachining, 2001, Singapore, Singapore

Abstract

At the end of 1999 a German National Project called PRIMUS was established, the most important aim of which is to analyze the potential advantages of ultrashort pulses in combination with different drilling strategies and to obtain a better understanding of the ablation and drilling processes. This contribution will present the first results of this project. The advantages of short and ultrashort pulses in view of quality and efficiency will be discussed. It will be shown, that the use of suitable drilling technologies, such as e.g. helical drilling, and a specifically designed trepanning optic can significantly increase the quality of holes as well as expand the possible range of applications.

Citation Download Citation

Christian Foehl, Detlef Breitling, Knut Jasper, Joachim Radtke, and Friedrich Dausinger "Precision drilling of metals and ceramics with short- and ultrashort-pulsed solid state lasers", Proc. SPIE 4426, Second International Symposium on Laser Precision Microfabrication, (25 February 2002); https://doi.org/10.1117/12.456897

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