A Study on the Improvement of EM Wave Absorption Characteristics in Paint-type EM Wave Absorbers

Paint형 전파 흡수체의 전파 흡수 성능 향상에 관한 연구

  • Che Seung-Hun (Dept. of Radio Science, National Korea Maritime University) ;
  • Kim Dong-Il (Dept. of Radio Science, National Korea Maritime University) ;
  • Choi Jeong-Hyun (Dept. of Radio Science, National Korea Maritime University)
  • 제승훈 (한국해양대학교 전파공학부) ;
  • 김동일 (한국해양대학교 전파공학부) ;
  • 최정현 (한국해양대학교 전파공학부)
  • Published : 2006.04.01


In this research, we fabricated paint-type EM wave absorbers by using Mn-Zn, Ni-Zn, Ba, Sr Ferrite, and Sendust. To prepare the absorbers, enamel, epoxy and urethane paints were used as binders. We tested EM wave absorption of them. The band-width of EM wave absorbers coated with $Al(OH)_3$ was larger than non-coated EM wave absorbers. The fabricated EM wave absorbers show a reflection coefficient of 20 dB approximately at X-band for a 2 mm double-layer sample.


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