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Analysis of EM Shielding Effectiveness of CNT Films Based on TEM Cell Electric and Magnetic Coupling Fields
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- Authors
- Jung-Yeol Park, Jin-A Choi, Jae-Kyung Wee, Inchae Song, Soon-Il Yeo
- Issue Date
- 2015-07
- Citation
- Progress in Electromagnetics Research Symposium (PIERS) 2015 in Prague, pp.788-792
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we evaluated the electromagnetic (EM) shielding effectiveness (SE) of various carbon nanotubes (CNTs)-based films which were prepared with deposited carbon densities and thicknesses of the CNTs. The test environment based on a transverse electromagnetic (TEM) cell was adapted for (1) a comparison of the standard American society for testing and materials (ASTM) test and the near-field test using electric and magnetic field probes and (2) the differences of CNT SE on the electric field and magnetic field according to near end or far-end tests by the rotations of a microstrip patch antenna as a DUT. In addition, (3) the effect of CNTs composites and their thickness on the SE is investigated with TEM cell electric and magnetic field coupling to the DUT.
- KSP Keywords
- CNT films, Carbon nano-tube(CNT), Coupling Fields, Deposited carbon, EM shielding, Electric Field, Field Test, Magnetic field coupling, Microstrip patch antennas, Near-field, Shielding effectiveness