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Digital fabrication of support structures for improved mechanical stability of fragile microsieves

: Hammerschmidt, J.; Jahn, S.; Wachner, D.; Goedel, W.A.; Baumann, R.

Yuh, H.-J. (Hrsg.) ; Society for Imaging Science and Technology -IS&T-:
NIP25: International Conference on Digital Printing Technologies and Digital Fabrication 2009. Technical programs and proceedings : Louisville, Kentucky, September 20 - 24, 2009
Springfield/Va.: IS&T, 2009
ISBN: 978-0-89208-287-2
International Conference on Digital Printing Technologies <25, 2009, Louisville>
Digital Fabrication Conference <5, 2009, Louisville>
Fraunhofer ENAS ()

We introduce a method to improve the mechanical stability of thin sieves by applying a support matrix through inkjet printing. Different suitable materials are printed in defined structures, such as honeycombs, either directly on the sieve or on a subcarrier. The digital technology allows the variation of the three-dimensional geometry of the printed pattern, whereby an optimum has to be found between the coverage of the pores, the permeability of the microsieve and its mechanical stability. The benefit of this method is the opportunity to produce and apply the microsieves in large-area-applications.