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Evaluation of the packaging and encapsulation reliability in fully integrated, fully wireless 100 channel Utah Slant Electrode Array (USEA): Implications for long term functionality

 
: Sharma, A.; Rieth, L.; Tathireddy, P.; Harrison, R.; Oppermann, H.; Klein, M.; Töpper, M.; Jung, E.; Normann, R.; Clark, G.; Solzbacher, F.

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Institute of Electrical and Electronics Engineers -IEEE-:
16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS 2011 : 5-9 June 2011, Beijing
New York, NY: IEEE, 2011
ISBN: 978-1-4577-0157-3
ISBN: 978-1-4577-0156-6
pp.1204-1207
International Solid-State Sensors, Actuators and Microsystems Conference <16, 2011, Beijing>
English
Conference Paper
Fraunhofer IZM ()

Abstract
We evaluate the encapsulation and packaging reliability in fully integrated, fully wireless 100 channel Utah Slant Electrode Array (USEA)/integrated neural interface-recording version 5 (INI-R5) by monitoring the extended long term in-vitro functional stability and recording longevity. The INI encapsulated with 6-m Parylene-C was immersed in phosphate buffer saline (PBS) for a period of over 12 months. The full functionality and the ability of the electrodes to record artificial neural signals even after 12 months of PBS soak provides a measure of encapsulation reliability, the functional and recording stability in fully integrated wireless neural interface and potential usefulness for future chronic implants.

: http://publica.fraunhofer.de/documents/N-189401.html