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US 2003/0195601 A1Published application
High-density array of micro-machined electrodes for neural stimulation
AssigneeSecond Sight Medical Products, Inc.
InventorsAndy Hung, Robert Greenberg, Dao Min Zhou, Jack Judy, Neil Talbot
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Abstract
The present invention is a micro-machined electrode for neural-electronic interfaces which can achieve a ten times lower impedance and higher charge injection limit for a given material and planar area.
Claims30
An electrode comprising:
- an electrode base;
- and
- a plurality of micromachined protuberances on said electrode base.
An electrode array comprising:
- a lower flexible insulating layer;
- a flexible conductive layer;
- an upper flexible insulating layer including voids exposing portions of said flexible conductive layer;
- and
- micromachined protuberances on said portions of said flexible conductive layer.
2 more elements
A method of increasing an electrode effective surface area comprising:
- providing an electrode base;
- and
- micromachining protuberances on the surface of said electrode base.
Dependencies are inferred from the claim text.