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  4. Inductive Power Link for a Wireless Cortical Implant with Biocompatible Packaging
 
conference paper

Inductive Power Link for a Wireless Cortical Implant with Biocompatible Packaging

Silay, Kanber Mithat  
•
Dehollain, Catherine  
•
Declercq, Michel  
2010
2010 Ieee Sensors
2010 IEEE Sensors Conference

This article presents an inductive power link for a cortical implant. The link includes a Class-E power amplifier, an inductive link, a matching network, and a rectifier. The coils of the inductive link are designed and optimized for a distance of 10mm (scalp thickness). The power amplifier is designed in order to allow closed loop power control by controlling the supply voltage. A new packaging topology is proposed in order to position the implant in the skull, without occupying much area, but still obtaining short distance between the remote powering coils. The package is fabricated using biocompatible materials such as PDMS and Parylene-C, and it includes the secondary coil, the matching network, and the rectifier. The power efficiency of the link is characterized for a wide range of load power (1-20mW) and found to be 8.1% for nominal load of 10mW. The matching network improves the power efficiency on the whole range, compared to the link without the matching network.

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Type
conference paper
DOI
10.1109/ICSENS.2010.5690844
Web of Science ID

WOS:000287982100020

Author(s)
Silay, Kanber Mithat  
Dehollain, Catherine  
Declercq, Michel  
Date Issued

2010

Publisher

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa

Published in
2010 Ieee Sensors
ISBN of the book

978-1-4244-8168-2

Start page

94

End page

98

Subjects

Devices

Editorial or Peer reviewed

NON-REVIEWED

Written at

EPFL

EPFL units
SCI-STI-CD  
LEG1  
Event nameEvent placeEvent date
2010 IEEE Sensors Conference

Kona, HI

Nov 01-04, 2010

Available on Infoscience
December 16, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/74717
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