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The electrode array is a device for making electrical contacts with cellular tissue or organs. The electrode array includes an assembly of electrically conductive electrodes arising from a substrate where the electrodes are hermetically bonded to the substrate. The electrodes also include an insulat

The electrode array is a device for making electrical contacts with cellular tissue or organs. The electrode array includes an assembly of electrically conductive electrodes arising from a substrate where the electrodes are hermetically bonded to the substrate. The electrodes also include an insulating layer which leaves at least one zone or at least one hole exposed for making focused electrical contact with the tissue. A hole passing completely or partially through the electrode may further provide an anchor to the living tissue, thereby stabilizing the array with respect to the tissue being examined. Also, a method of manufacture of an electrode array and associated circuitry is disclosed.

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What is claimed is: 1. An implantable electrode arrangement for establishing electrical contact with living tissue, the electrode arrangement comprising:a substrate having a plurality of feedthrough holes, a top surface and a bottom surface;a plurality of electrically conductive electrodes, each ele

What is claimed is: 1. An implantable electrode arrangement for establishing electrical contact with living tissue, the electrode arrangement comprising:a substrate having a plurality of feedthrough holes, a top surface and a bottom surface;a plurality of electrically conductive electrodes, each electrode having a proximal end and a distal end, each electrode configured, at its proximal end, to be positioned within a feedthrough hole;each of said electrodes extending from said top surface, said electrodes hermetically bonded to said substrate;a dielectric coating covering and electrically insulating at least a portion of said electrodes; andat least one reveal zone not at the distal end on said electrodes, wherein the at least one reveal zone is sized to contact only a single nerve fiber.