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Plasma printing and related techniques - Patterning of surfaces using microplasmas at atmospheric pressure

: Thomas, M.; Borris, J.; Dohse, A.; Eichler, M.; Hinze, A.; Lachmann, K.; Nagel, K.; Klages, C.-P.


Plasma Processes and Polymers 9 (2012), Nr.11-12, S.1086-1103
ISSN: 1612-8850
ISSN: 1612-8869
Fraunhofer IST ()
atmospheric pressure plasma; dielectric barrier discharge; microplasma; plasma printing; surface patterning

The interest in applications of atmospheric-pressure plasmas to solve surface-technological tasks was originally motivated primarily by the expectation that major cost savings could be achieved if plasma-based processes, conventionally run below 1?mbar, could now be performed at ambient pressure. However, it was soon recognized that, working at 1 bar, also completely new techniques are made feasible by the utilization of microdischarges, thanks to strongly reduced mean free paths of plasma constituents. The present contribution gives an overview of a number of possibilities, studied in the recent years, to apply atmospheric-pressure microplasmas for the patterned coating or surface modification of two- and three-dimensional substrates.