Tuning electrode impedance for the electrical recording of biopotentials

M A Fontes; M de Beeck; C Van Hoof; H P Neves

doi:10.1109/IEMBS.2010.5626412

Tuning electrode impedance for the electrical recording of biopotentials

Annu Int Conf IEEE Eng Med Biol Soc. 2010:2010:1812-5. doi: 10.1109/IEMBS.2010.5626412.

Authors

M A Fontes¹, M de Beeck, C Van Hoof, H P Neves

Affiliation

¹ Division of Neurophysiology, Catholic University of Leuven, Herestraat 49 - bus 1021, 3000, Belgium.

PMID: 21095939
DOI: 10.1109/IEMBS.2010.5626412

Abstract

Tuning the electrode impedance through the DC biasing of iridium oxide is presented. Impedance reduction of up to two orders of magnitude was reproducibly observed in 20 microm diameter microelectrodes at a biasing of 1V.

MeSH terms

Action Potentials / physiology*
Computer-Aided Design
Electric Impedance
Electrodes*
Electrodiagnosis / instrumentation*
Equipment Design
Equipment Failure Analysis