Stretchable electrodes for neuroprosthetic interfaces

Author

Cyganowski, A. ; Minev, I.R. ; Vachicouras, N. ; Musick, K. ; Lacour, S.P.

Author_Institution

Lab. for Soft Bioelectron. Interfaces, Ecole Polytech. Fed. de Lausanne, Lausanne, Switzerland

fYear

2012

fDate

28-31 Oct. 2012

Firstpage

1

Lastpage

4

Abstract

We have developed a stretchable gold microelectrode array (MEA) that can withstand the torsion requirements needed for implantable neuroprosthetic interface applications. The array is composed of thin gold (sub-100 nm thick) electrodes on a soft, 120 μm thick polydimethylsiloxane (PDMS) silicone substrate with a patterned encapsulation layer. The impedance of individual electrodes was measured as a function of extreme torsion applied to the device, and was found to be relatively stable in the 15-75 kΩ range (f = 1kHz), and remained stable after 1000 torsion cycles.

Keywords

bioelectric potentials; biomedical electrodes; gold; polymers; prosthetics; Au; PDMS; frequency 1 kHz; neuroprosthetic interfaces; patterned encapsulation layer; polydimethylsiloxane silicone substrate; resistance 15 kohm to 75 kohm; size 120 mum; stretchable electrodes; stretchable gold microelectrode array; Arrays; Encapsulation; Films; Gold; Impedance; Microelectrodes;

fLanguage

English

Publisher

ieee

Conference_Titel

Sensors, 2012 IEEE

Conference_Location

Taipei

ISSN

1930-0395

Print_ISBN

978-1-4577-1766-6

Electronic_ISBN

1930-0395

Type

conf

DOI

10.1109/ICSENS.2012.6411503

Filename

6411503