Switch-Matrix-Based High-Density Microelectrode Array in CMOS Technology

Frey, Urs and Sedivy, Jan and Heer, Flavio and Pedron, Rene and Ballini, Marco and Mueller, Jan and Bakkum, Douglas and Hafizovic, Sadik and Faraci, Francesca Dalia and Greve, Frauke and Kirstein, Kay-Uwe and Hierlemann, Andreas (2010) Switch-Matrix-Based High-Density Microelectrode Array in CMOS Technology. UNSPECIFIED. IEEE Journal of Solid-State Circuits, 45 (2). pp. 467-482. ISSN 0018-9200

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Abstract

Abstract: We report on a CMOS-based microelectrode array (MEA) featuring 11, 011 metal electrodes and 126 channels, each of which comprises recording and stimulation electronics, for extracellular bidirectional communication with electrogenic cells, such as neurons or cardiomyocytes. The important features include: (i) high spatial resolution at (sub)cellular level with 3150 electrodes per mm2 (electrode diameter 7 ¿m, electrode pitch 18 ¿m); (ii) a reconfigurable routing of the recording sites to the 126 channels; and (iii) low noise levels.

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