Interdigitated electrode modelling for applications in dielectrophoresis

Interdigitated electrode modelling for applications in dielectrophoresis

Electrical test structures have been designed to enable the characterisation of interdigitated electrode structures in conductive solutions, as used in dielectrophoresis. Test masks have been fabricated to explore the impact of array size, finger separation and solution conductivity on the applied e...

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Hauptverfasser: Chung, C., Smith, S., Menachery, A., Bagnaninchi, P., Walton, A. J., Pethig, R.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Conductivity
Electrodes
Fingers
Frequency measurement
Impedance
Impedance measurement
Resistance
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creator Chung, C.
Smith, S.
Menachery, A.
Bagnaninchi, P.
Walton, A. J.
Pethig, R.
description Electrical test structures have been designed to enable the characterisation of interdigitated electrode structures in conductive solutions, as used in dielectrophoresis. Test masks have been fabricated to explore the impact of array size, finger separation and solution conductivity on the applied electric field. A circuit model based on a distributed RC network is proposed and evaluated, demonstrating close agreement with actual impedance measurements. This provides the capability to readily predict the voltage and phase along the length of electrodes used for dielectrophoresis and other applications.
doi_str_mv 10.1109/ICMTS.2011.5976863
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Conductivity
Electrodes
Fingers
Frequency measurement
Impedance
Impedance measurement
Resistance
title Interdigitated electrode modelling for applications in dielectrophoresis
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