Microelectrode array fabrication by electrical discharge machining and chemical etching |
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| Authors: | Fofonoff Timothy A Martel Sylvain M Hatsopoulos Nicholas G Donoghue John P Hunter Ian W |
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| Affiliation: | BioInstrumentation Laboratory, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. fofonoff@mit.edu |
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| Abstract: | Wire electrical discharge machining (EDM), with a complementary chemical etching process, is explored and assessed as a method for developing microelectrode array assemblies for intracortically recording brain activity. Assembly processes based on these methods are highlighted, and results showing neural activity successfully recorded from the brain of a mouse using an EDM-based device are presented. Several structures relevant to the fabrication of microelectrode arrays are also offered in order to demonstrate the capabilities of EDM. |
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