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US 2010/0168830 A1Published application
High Density Array of Micro-Machined Electrodes for Neural Stimulation
AssigneeSecond Sight Medical Products, Inc.
InventorsAndy Hung, Robert Greenberg, Dau 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.
Claims20
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.
1 more element
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.