Electrode arrangement for generating functional field barriers in microsystems
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United States of America Patent
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Jul 4, 2006
Grant Date -
N/A
app pub date -
Jun 28, 1999
filing date -
Jun 26, 1998
priority date (Note) -
Expired
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Abstract
A microsystem adapted for dielectrophoretic manipulation of particles in a suspension liquid wherein the microsystem has a channel with channel walls and a longitudinal extension. An electrode arrangement is present which has at least one microelectrode on at least one of the channel walls. This acts to generate a field barrier which crosses the channel at least partly. The microelectrode has a band-shape or has a multitude of straight electrode sections connected to each other. The band-shape has a predetermined curvature or the straight electrode sections are arranged with predetermined different angles so that the field barrier has a predetermined curvature relative to the longitudinal extension of the channel.
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