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Journal of the Korean Institute of Electromagnetic and Science 2006;6(1):71-75.
EM Wave Absorbers with Au Coated Conductive Sheets
Jae-Man Song1, Kyeung-Jin O2, Dong-Il Kim2
1Research Institute of Industrial Technology, Korea Maritime University
2Department of Radio Science and Engineering, Korea Maritime University
Abstract
In this study, EM wave absorbers based on Au coated conductive sheets were prepared, and their reflection and transmission coefficients were investigated. An Au coated conductive sheet showed the transmission loss higher than 40 dB in $1{sim}18$ GHz. Ba ferrite EM wave absorbers with an Au coated conductive sheet showed enhanced EM wave absorption and shield to compare with Ba ferrite EM wave absorbers without conductive sheets. Proposed EM wave absorbers with conductive sheets are useful to protect EM machines from EM interference by strayfields.
Key words: Reflection, Transmission, Conductive Sheet, Ba Ferrite, Mn-Zn Ferrite
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