• 제목/요약/키워드: Non-radiating feeding technique

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고온 초전도 마이크로스트립 패치 안테나; 비방사면 급전방식을 이용한 초전도 안테나 특성 (High Tc Superconducting Microstrip Patch antenna ; Characterization of Superconducting Antenna using Non-Radiating Edge Feeding Technique)

  • 정동철;박성진;황종선;박종광;한병성
    • 대한전기학회논문지:전기물성ㆍ응용부문C
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    • 제49권7호
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    • pp.375-381
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    • 2000
  • In this paper, we described the characterization of High-Tc Superconducting(HTS) microstrip antenna using non-radiating edge feeding technique and reported the microwave properties of HTS antennas with temperature. To do this, we prepared the $YBa_2Cu_3O_{7-x}$ superconducting thin film on MgO substrate using pulse-laser deposition techniques. The HTS microstrip antenna using non-radiating feeding technique was fabricated using chemical wet-etching. Then it was compared with identical antenna patterned with evaporated gold. The diverse measured results have been reported in terms of the input impedance, resonant frequency and return loss. In additional, at around the critical temperature, the effect of kinetic inductance which affect the resonant characteristic of the HTS microstrip antenna was reported.

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