Two-dimensional multi-channel neural probes with electronic depth control

Tom Torfs, Arno Aarts, Mehmet Akif Erismis, Junaid Aslam, Refet Firat Yazicioglu, Robert Puers, Chris Van Hoof, Herc Neves, I. Ulbert, Balazs Dombovari, Richard Fiath, Balint Peter Kerekes, Karsten Seidl, Stanislav Herwik, Patrick Ruther

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Multi-electrode arrays for in vivo neural recording are presented incorporating the principle of electronic depth control, i.e. an electronic selection of electrode locations along the probe shaft independently for multiple channels. Two-dimensional (2D) arrays are realized using a commercial CMOS process for the electronic circuits combined with post-CMOS micromachining for shaping the probes and electrode metallization. These 2D arrays can be further assembled into 3D arrays. Two-dimensional arrays with IrOx metal finish show electrode impedances between 100 kΩ and 1 MΩ. In vivo tests demonstrate the capability to simultaneously record multi-unit activity in addition to local field potentials on all 32 available output channels of the probe combs. Electronic steering enabled some of the electrodes to record from cortical and others to record from thalamic sites in the rat. This new device significantly increases the amount of useful information that can be obtained from a single experiment.

Original languageEnglish
Title of host publication2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010
Pages198-201
Number of pages4
DOIs
Publication statusPublished - 2010
Event2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010 - Paphos, Cyprus
Duration: Nov 3 2010Nov 5 2010

Other

Other2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010
CountryCyprus
CityPaphos
Period11/3/1011/5/10

Fingerprint

Electrodes
Micromachining
Metallizing
Rats
Networks (circuits)
Metals
Experiments

ASJC Scopus subject areas

  • Hardware and Architecture
  • Biomedical Engineering
  • Electrical and Electronic Engineering

Cite this

Torfs, T., Aarts, A., Erismis, M. A., Aslam, J., Yazicioglu, R. F., Puers, R., ... Ruther, P. (2010). Two-dimensional multi-channel neural probes with electronic depth control. In 2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010 (pp. 198-201). [5709605] https://doi.org/10.1109/BIOCAS.2010.5709605

Two-dimensional multi-channel neural probes with electronic depth control. / Torfs, Tom; Aarts, Arno; Erismis, Mehmet Akif; Aslam, Junaid; Yazicioglu, Refet Firat; Puers, Robert; Van Hoof, Chris; Neves, Herc; Ulbert, I.; Dombovari, Balazs; Fiath, Richard; Kerekes, Balint Peter; Seidl, Karsten; Herwik, Stanislav; Ruther, Patrick.

2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010. 2010. p. 198-201 5709605.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torfs, T, Aarts, A, Erismis, MA, Aslam, J, Yazicioglu, RF, Puers, R, Van Hoof, C, Neves, H, Ulbert, I, Dombovari, B, Fiath, R, Kerekes, BP, Seidl, K, Herwik, S & Ruther, P 2010, Two-dimensional multi-channel neural probes with electronic depth control. in 2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010., 5709605, pp. 198-201, 2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010, Paphos, Cyprus, 11/3/10. https://doi.org/10.1109/BIOCAS.2010.5709605
Torfs T, Aarts A, Erismis MA, Aslam J, Yazicioglu RF, Puers R et al. Two-dimensional multi-channel neural probes with electronic depth control. In 2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010. 2010. p. 198-201. 5709605 https://doi.org/10.1109/BIOCAS.2010.5709605
Torfs, Tom ; Aarts, Arno ; Erismis, Mehmet Akif ; Aslam, Junaid ; Yazicioglu, Refet Firat ; Puers, Robert ; Van Hoof, Chris ; Neves, Herc ; Ulbert, I. ; Dombovari, Balazs ; Fiath, Richard ; Kerekes, Balint Peter ; Seidl, Karsten ; Herwik, Stanislav ; Ruther, Patrick. / Two-dimensional multi-channel neural probes with electronic depth control. 2010 IEEE Biomedical Circuits and Systems Conference, BioCAS 2010. 2010. pp. 198-201
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