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  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper CM_P_20

Dynamics of laser printing of conductive inks at high velocity

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Abstract

The laser-induced forward transfer (LIFT) process can print custom conductive patterns from metallic nanoparticles inks, and is therefore a promising technique for the field of microelectronics. A laser pulse, focused through a transparent substrate, is absorbed either by the ink itself or by a thin absorbing layer between the substrate and the film. The interaction propels the ink, which become a jet and can be collected as a droplet on a receiver substrate [1]. Printing overlapping droplets results in a continuous line. If the current throughputs are increased, this technique could be made competitive with other industrial deposition techniques.

© 2015 IEEE

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