Comparison of picosecond and femtosecond pulses in burst mode for realization of printed electronics circuits

Julien Dupuy; Alexandre Miazek; Simon Boivinet; Yves Hernandez; Philippe Guaino; Krishnamoorthy Muthukaruppasamy; Mariia Arseenko; David Bruneel; Céline Petit

doi:10.1117/12.3017412

20 June 2024 Comparison of picosecond and femtosecond pulses in burst mode for realization of printed electronics circuits

Julien Dupuy, Alexandre Miazek, Simon Boivinet, Yves Hernandez, Philippe Guaino, Krishnamoorthy Muthukaruppasamy, Mariia Arseenko, David Bruneel, Céline Petit

Author Affiliations +

Proceedings Volume 13005, Laser + Photonics for Advanced Manufacturing; 1300505 (2024) https://doi.org/10.1117/12.3017412
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

We compare different pulse durations, modes and repetition rates of infrared ultrashort pulses lasers for the inscription of printed electronics sensors under 100 μm scale. We investigate pulse widths varying from 200 fs up to 10 ps, and standard single pulse versus 5 GHz burst regimes to produce the most efficient and cleanest ablation. The aim of the investigated process is to ablate a layer of conductive material like carbon, NiAl or NiCr forming the electronic track contours, without damaging the support which is made of a dielectric insulator. Depending on the materials and substrates of the printed electronics circuits, we have observed that 10 ps pulses in GHz burst regime with moderate individual pulse energy (around 10 μJ) have a lot of potential for an efficient production.

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Julien Dupuy, Alexandre Miazek, Simon Boivinet, Yves Hernandez, Philippe Guaino, Krishnamoorthy Muthukaruppasamy, Mariia Arseenko, David Bruneel, and Céline Petit "Comparison of picosecond and femtosecond pulses in burst mode for realization of printed electronics circuits", Proc. SPIE 13005, Laser + Photonics for Advanced Manufacturing, 1300505 (20 June 2024); https://doi.org/10.1117/12.3017412

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