Lyon & Lyon LLP
Flexible high density multiple electrode circuit assemblies employing ribbon cable
 An electrode circuit has a distal region for carrying at least one electrode, a proximal region for connection to external apparatus, and an intermediate region electrically coupling the distal region with the proximal region. At least one, and preferably all, of the regions comprises flexible ribbon cable having two or more adjacent tracks of electrical conduction material and adjoining electrical insulating material. Use of ribbon cable make possible highly dense, extremely reliable electrical connections. Its reliability and density obviate the need for complicated multiplexing schemes at the distal region. Instead, less complicated, proximal multiplexing schemes can be used. 
EP Technologies, Inc.
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Dorin Thomas F. David K.
Panescu Kordis Swanson