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Journal of Navigation and Port Research 2003;27(1):75-79.
Published online March 31, 2003.
NC와 옻칠을 소재로 한 고성능 전파흡수체에 관한 연구
김동일, 최동한, 박우근, 송재만
A Study on High Performance Electromagnetic Wave Absorber Using NC and Natural Lacquer Binder
Dong-Il Kim, Dong-Han Choi, Woo-Keun Park, Jae-Man Song
Abstract
The electromagnetic wave absorption ability of natural ceramics(NC), natural lacquer, and rubber was investigated. The natural ceramics showed absorption ability above 2.5 ㏈ at 2.5 ㎓ ~ 4.5 ㎓ and natural lacquer showed better electromagnetic wave absorption ability than that of rubber. The simulation results of electromagnetic wave absorber ability in a absorber composed of natural lacquer and ferrite showed the reflection coefficient of -16 ㏈ at 0.5 ㎓ ~ 10 ㎓. It was shown that from the simulation results, the electromagnetic wave absorber composed of lacquer as a backing material have better absorption ability than that of the electromagnetic absorber composed of rubber.
Key Words: NC-페라이트-옻칠; Natural Ceramics;Natural Lacquer;Electromagnetic Absorber;Ferrite;Ferrite-Natural Lacquer;Natural Ceramics-Ferrite-Natural Lacquer
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