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Integrated Flexible Ocular Coil for Power and Data Transfer in Retinal Prostheses

Li, W. and Rodger, D. C. and Weiland, J. D. and Humayun, M. S. and Tai, Y. C. (2005) Integrated Flexible Ocular Coil for Power and Data Transfer in Retinal Prostheses. In: 2005 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Proceedings of Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE , Piscataway, NJ, pp. 1028-1031. ISBN 0-7803-8741-4 http://resolver.caltech.edu/CaltechAUTHORS:20110819-080457354

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Abstract

A microfabricated and fully-implantable coil for use as a power and data transfer component for retinal prostheses is presented. Compared with traditional hand-made ocular coils, this parylene-based device is thin and flexible with 10 turns of thin-film metal wires and a thickness of less than 10 µm. In addition, the entire coil structure can be heat-formed on a mold to match the eye's curvature for extraocular implantation. Because it is made using parylene thin-film technology, this coil can be directly integrated with multielectrode arrays and with parylene-based packages incorporating application specific integrated circuits (ASICs) or discrete electrical components such as chip capacitors. This coil thus enables the fabrication and implantation of a fully microfabricated system for retinal prostheses.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/IEMBS.2005.1616593DOIUNSPECIFIED
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1616593PublisherUNSPECIFIED
Additional Information:© 2005 IEEE. Date of Current Version: 10 April 2006. This work was supported in part by the Engineering Research Center Program of the National Science Foundation under Award Number EEC-0310723 and by a fellowship from the Whitaker Foundation (D.R.). The authors would also like to thank Mr. Trevor Roper and other members of the Caltech Micromachining Laboratory for assistance with fabrication.
Funders:
Funding AgencyGrant Number
NSF Engineering Research Centers ProgramEEC-0310723
Whitaker Foundation fellowshipUNSPECIFIED
Subject Keywords:coil, flexible, integration, ocular, parylene, retinal prostheses
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INSPEC Accession Number9208686
Record Number:CaltechAUTHORS:20110819-080457354
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110819-080457354
Official Citation:Li, W.; Rodger, D.C.; Weiland, J.D.; Humayun, M.S.; Tai, Y.C.; , "Integrated Flexible Ocular Coil for Power and Data Transfer in Retinal Prostheses," Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the , vol., no., pp.1028-1031, 17-18 Jan. 2006 doi: 10.1109/IEMBS.2005.1616593 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1616593&isnumber=33900
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24951
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:19 Aug 2011 16:08
Last Modified:19 Aug 2011 16:08

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