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低温共烧陶瓷工艺制备EBG定向天线

Preparation of directional antenna with electromagnetic bandgap structure by low temperature co-fired ceramic technology

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【Author】 LI Bo1,2,CHEN Bingyang1,2,MENG Lingbao1,2,ZHANG Xiaoqing1,2,PANG Xinfeng3, ZHANG Hua4,WU Jun3,GUO Hai3,ZHOU Ji2,LI Longtu2(1.Advanced Materials Institute,Graduate School at Shenzhen,Tsinghua University,Shenzhen 518055,Guangdong Province,China;2.The State Key Lab of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,China;3.Shenzhen Sunlord Electronics Co.,Ltd,Shenzhen 518110,Guangdong Province,China;4.The Quartermaster Equipment Institute General Logistics Department of PLA,Beijing 100084,China)

【机构】清华大学深圳研究生院新材料研究所；清华大学材料系新型陶瓷与精细工艺国家重点实验室；深圳顺络电子股份有限公司；总后勤部军需装备研究所；

【摘要】通过低温共烧陶瓷(LTCC)工艺制备出禁带位于超宽带(UWB)范围的电磁波禁带(EBG)天线陶瓷基板,其电磁波禁带位于4.0~5.5 GHz。在基板上制备了片式天线,在微波暗室中对天线方向性进行测试。结果发现,与没有EBG结构的片式天线相比,其在H面主瓣方向上的增益提高了约4 dB,背瓣方向辐射强度平均降低了10 dB左右,证明EBG结构能够有效改善天线在空间辐射的方向性。更多还原

【Abstract】 The ceramic substrate of electromagnetic bandgap(EBG) structure antenna with the bandgap between 4.0-5.5 GHz dropping in ultra wideband(UWB) was fabricated by low temperature co-fired ceramics technology(LTCC).The patch antenna was fabricated on the substrate.The directional properties of the EBG antenna were measured in microwave dark room.The results show that comparied with the patch antenna without EBG structure,the H-plane gain of the EBG patch antenna increases about 4 dB in the main lobe direction,and decreases about 10 dB in the back lobe direction,which shows that EBG structure can improve the directional property of the patch antenna.更多还原

【关键词】定向天线；低温共烧陶瓷；电磁波禁带；
【Key words】 directional antenna； low temperature co-fired ceramics； electromagnetic bandgap；

【基金】国家自然科学基金资助项目(No.51032003,No.61077029);国家“973”计划资助项目(No.2009CB623304);深圳市科技计划深港创新圈资助项目(No.ZYB200907060008A)

【文献出处】电子元件与材料 ,Electronic Components and Materials , 编辑部邮箱 ,2012年07期

【分类号】TN820
【被引频次】1
【下载频次】167

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