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Digitale Medien

Silicon-based microelectrodes for neurophysiology, micromachined from silicon-on-insulator wafers (2000)

Ensell, G. ; Banks, D. J. ; Richards, P. R. ; [weitere]

Springer

Medical & biological engineering & computing 38 (2000), S. 175-179

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Details

ISSN: 1741-0444

Schlagwort(e): Microelectrodes ; Neurophysiology ; Silicon-micromachining ; Neurotechnology

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie , Medizin

Notizen: Abstract A process is described for the fabrication of silicon-based microelectrodes for neurophysiology using bonded and etched-back silicon-on-insulator (BESOI) wafers. The probe shapes are defined without high levels of boron doping in the silicon; this is considered as a step towards producing probes with active electronics integrated directly beneath the electrodes. Gold electrodes, of 4μm by 4μm to 50μm by 50μm are fabricated on shanks (cantilever beams) 6μm thick and which taper to an area approximately 100μm wide and 200μm long, which are inserted into the tissue under investigation. The passive probes fabricated have been successfully employed to make acute recordings from locust peripheral nerve.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02344773

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