A conductive plastic for simulating biological tissue at microwave frequencies

John T Chang, Margaret W. Fanning, Paul M. Meaney, Keith D. Paulsen

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

A conductive plastic composite that exhibits complex dielectric properties similar to biological tissues over the electromagnetic spectrum of 300-900 MHz has been synthesized from compressed carbon black mixed with a castable thermoplastic. This paper presents the techniques used to control the electrical properties of the conductive plastic and describes the challenges encountered in fabricating a material containing a high proportion of carbon black. While developed to serve as a housing material for a microwave antenna array for imaging biological bodies, the composite should be useful in any setting requiring a stable, solid, high-loss material that simulates biological tissues over the microwave spectrum.

Original languageEnglish (US)
Pages (from-to)76-81
Number of pages6
JournalIEEE Transactions on Electromagnetic Compatibility
Volume42
Issue number1
DOIs
StatePublished - 2000
Externally publishedYes

Keywords

  • Dielectric materials
  • Imaging
  • Microwave
  • Phantom
  • Tissue equivalent

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

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