I should point out that whenever an electrode is not actuated, it is
actively pulled to ground, so it is possible to get shorts between
adjacent electrodes. Whether or not this happens will depend on your
voltage/frequency, dielectric, the gap between the electrodes,
moisture content, etc. We don’t usually have a problem with gap sizes
25um unless we put devices in an incubator, in which case these types
of shorts become more common.
I expect those sharp corners will focus the electric field and make
shorts at those points more likely. My guess is that you’ll have
better luck if you can round them out. That said, the only way to know
for sure is to try it out
On Tue, Sep 23, 2014 at 10:24 AM, Salvatore Cito
I am making a new design mask for our dropbot device (University of
Helsinki, Sikanen’s group).
Our design have 6x15 electrode with wavy edges. To reach the second and the
third column electrodes we need to pass two wires between the electrodes as
shown in the attached figure. Since the edges are wavy, to minimize the
distance between the electrode rows I need to have some sharp concentric
corners. see the following figure
Does someone in this forum know if sharp corners might cause some problem
with the electric field?
Thanks for your help
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