Abstract #3097
Ink-jet printing enables maskless electroplating mould patterning for rapid MRI coil fabrication
Markus V. Meissner 1 , Nils Spengler 1 , Dario Mager 1 , Jens Hfflin 1 , Peter T. While 1 , and Jan G. Korvink 1
1
Department of Microsystems Engineering -
IMTEK, University of Freiburg, Freiburg, BW, Germany
We introduce a novel micro-electroplating process based
on ink-jet printed conductive structures, to define
high-aspect-ratio MRI field coils. To structure
electrically conductive tracks, silver nano particle
based ink is printed directly on permanent dry film
resist. In this process, molds for electroplating are
patterned into thick-film photo-definable resist via
backside exposure where our printed structures serve as
both the shadow mask for the mold, and the seed layer
for the electroplating. Our process is particularly
suitable for the rapid manufacture of small planar TxRx,
shim and gradient coils.
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