Extracellular recording electrode

Details Extracellular recording electrode Extracellular recording electrode

2006-05-09

2006-05-09

Redding, David (Department: 1744)

Chemistry: molecular biology and microbiology

Apparatus

Mutation or genetic engineering apparatus

C435S287100, C435S288300, C204S403010, C204S403030, C204S412000, C204S403130

Reexamination Certificate

active

07041492

ABSTRACT:
A multiple electrode includes a plurality of micro-electrodes provided on a substrate, and a wiring portion for providing an electrical signal to the micro-electrodes or extracting an electrical signal from the micro-electrodes. Each micro-electrode has porous conductive material on its surface, and the impedance of the micro-electrode is 50 kΩ or less. Preferably, the porous conductive material is gold, and formed by the passage of current at a current density of 1.0 to 5.0 A/dm2for 10 to 360 sec. The multiple electrode may include micro-electrodes provided on a substrate in the form of a matrix, a lead line connected to the micro-electrodes, and an electrical junction connected to an end of the lead line.

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Copy of European Search Report dated Feb. 15, 2005.

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