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Microwave Absorbers Prepared with Alnico Magnets
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/260779
Journal of Korean Navigation and Port Reserch
(한국항해항만학회지)
Vol.29 No.2 (2005.03)
pp.147-150
pp.147-150
한국항해항만학회
(Korean Institute of Navigation and Port Research)
초록
We suggest a cast Alnico magnet as a new microwave absorber. The proposed Alnico microwave absorber shows advanced microwave absorption properties of 24 dB at 13.3 GHz for the thicknesses of 1 mm We also investigated the effects of the carbon, which qjfects strongly to microwave absorption in Alnico magnet microwave absorbers. Central frequency shifts toward lower frequency with increasing Alnico content which is related to the frequency to show tan 8 > 1. Also, we investigated the sample thickness dependence on the microwave absorption properties.
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