Ultra-thin tag fabrication and sensing technique using third harmonic for implantable wireless sensors

Tse Yu Lin, Dohyuk Ha, Wilhelmine N. De Vries, Byungguk Kim, Arthur Chlebowski, Simon W.M. John, Pedro P. Irazoqui, William J. Chappell

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents the fabrication of an ultra-thin tag for identification and sensing applications in extremely small implantable regions. Particularly, we are demonstrating the capability to create a telemetry system which is implantable in a mouse eye. This system will eventually be able to monitor intraocular pressure (IOP). The small size of the mouse eye presents challenges for surgery and the integration of components. Therefore, there is a need for a device which is biocompatible, flexible, compressible, self-expandable, and thin enough for implantation. This paper demonstrates the fabrication of a thin tag with a self-expandable Nitinol antenna, polymer based embedded components, and high density routing. Telemetry with a small tag implanted inside of the eye is established for the first time using the 3rd order harmonic response from the implanted device.

Original languageEnglish (US)
Title of host publication2011 IEEE MTT-S International Microwave Symposium, IMS 2011
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 IEEE MTT-S International Microwave Symposium, IMS 2011 - Baltimore, MD, United States
Duration: Jun 5 2011Jun 10 2011

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
ISSN (Print)0149-645X

Conference

Conference2011 IEEE MTT-S International Microwave Symposium, IMS 2011
Country/TerritoryUnited States
CityBaltimore, MD
Period6/5/116/10/11

Keywords

  • 3D-Packaging
  • Interposer
  • LCP (liquid crystal polymers)
  • Nitinol
  • Parylene
  • RDL (redistribution layer)
  • implantable device
  • intraocular pressure (IOP) monitoring
  • self-expandable antenna
  • third-order harmonic

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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