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 Citations (Scopus)

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

Fingerprint

Conductive plastics
Microwave frequencies
microwave frequencies
plastics
microwave antennas
Tissue
Carbon black
electromagnetic spectra
composite materials
carbon
antenna arrays
microwave spectra
Microwave antennas
dielectric properties
proportion
electrical properties
Composite materials
Antenna arrays
Dielectric properties
Thermoplastics

Keywords

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

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

A conductive plastic for simulating biological tissue at microwave frequencies. / Chang, John T; Fanning, Margaret W.; Meaney, Paul M.; Paulsen, Keith D.

In: IEEE Transactions on Electromagnetic Compatibility, Vol. 42, No. 1, 2000, p. 76-81.

Research output: Contribution to journalArticle

Chang, John T ; Fanning, Margaret W. ; Meaney, Paul M. ; Paulsen, Keith D. / A conductive plastic for simulating biological tissue at microwave frequencies. In: IEEE Transactions on Electromagnetic Compatibility. 2000 ; Vol. 42, No. 1. pp. 76-81.
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