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| 講演名 | 2025-11-14 09:45 Thermal property analysis of heat-resistant cordierite antenna ○Yuki Yoshimoto（Chiba Univ./SMM/Univ. Indonesia）・Basari Basari・Eko Tjipto Rahardjo（Univ. Indonesia）・Josaphat Tetuko Sri Sumantyo（Chiba Univ./Sebelas Maret Univ.）  SANE2025-56 |
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| 抄録 | （和） | A heat‐resistant circularly polarized microstrip antenna was designed for in-furnace radar monitoring. Using a cordierite substrate and sintered ceramic-coated silver conductor, in-situ measurements up to 500 °C demonstrated stable operation near 5.3 GHz. The center frequency shifted by about 135 MHz from 20 °C to 500 °C, mainly due to the temperature-dependent permittivity of cordierite, but remained within the 1320 MHz impedance and 890 MHz axial-ratio bandwidths. The proposed design proves suitable for high-temperature radar and sensing applications, including industrial pre-heater furnaces. |
| （英） | A heat‐resistant circularly polarized microstrip antenna was designed for in-furnace radar monitoring. Using a cordierite substrate and sintered ceramic-coated silver conductor, in-situ measurements up to 500 °C demonstrated stable operation near 5.3 GHz. The center frequency shifted by about 135 MHz from 20 °C to 500 °C, mainly due to the temperature-dependent permittivity of cordierite, but remained within the 1320 MHz impedance and 890 MHz axial-ratio bandwidths. The proposed design proves suitable for high-temperature radar and sensing applications, including industrial pre-heater furnaces. | |
| キーワード | （和） | Planar antennas / Active antennas / Ceramics / Heat treatment / Thermal expansion / / / |
| （英） | Planar antennas / Active antennas / Ceramics / Heat treatment / Thermal expansion / / / | |
| 文献情報 | 信学技報, vol. 125, no. 245, SANE2025-56, pp. 43-48, 2025年11月. | |
| 資料番号 | SANE2025-56 | |
| 発行日 | 2025-11-06 (SANE) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | SANE2025-56 |
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