Method for forming a multielectrode conformal penetrating array

A preferred conformal penetrating multi electrode array includes a plastic substrate that is flexible enough to conform to cortical tissue. A plurality of penetrating semiconductor micro electrodes extend away from a surface of the flexible substrate and are stiff enough to penetrate cortical tissue...

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Bibliographic Details
Main Authors Azzazy, Farid, Lee, Sang Heon, Dayeh, Shadi A
Format Patent
LanguageEnglish
Published 08.12.2020
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES
MICROSTRUCTURAL TECHNOLOGY
PERFORMING OPERATIONS
PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
SURGERY
TRANSPORTING
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Summary:A preferred conformal penetrating multi electrode array includes a plastic substrate that is flexible enough to conform to cortical tissue. A plurality of penetrating semiconductor micro electrodes extend away from a surface of the flexible substrate and are stiff enough to penetrate cortical tissue. Electrode lines are encapsulated at least partially within the flexible substrate and electrically connected to the plurality of penetrating semiconductor microelectrodes. The penetrating semiconductor electrodes preferably include pointed metal tips. A preferred method of fabrication permits forming stiff penetrating electrodes on a substrate that is very flexible, and providing electrical connection to electrode lines within the substrate.
Bibliography:Application Number: US201515501426