Develop an implantable CPW-fed antenna on the MgTa1.5Nb0.5O6 ceramic

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题名:	Develop an implantable CPW-fed antenna on the MgTa1.5Nb0.5O6 ceramic
作者:	Yang, Hung-Chi Chien, Tsung-Fu Cheng, Chien-Min Chen, Kai-Huang 陳開煌 (東方技術學院電子與資訊系)
贡献者:	東方技術學院電子與資訊系
关键词:	Implantable CPW-fed ceramic substrate
日期:	2009-08
上传时间:	2012-11-21 10:15:14 (UTC+8)
出版者:	中國: The Chinese Ceramic society
摘要:	An implantable antenna for the applications of biomedical telemetry has been widely studied in the modern medical science. The purpose of this study is to design and fabricate an implantable antenna which exhibits enhanced bandwidth (25%) and miniaturization for the use of implantation. In this letter, the microwave dielectric ceramic (MgTa1.5Nb0.5O6) substrate which possesses high dielectric constant (εr = 28) and high quality factor is used as the substrate of the implantable antenna, a CPW-fed monopole dual spiral structure is adopted as the antenna pattern and fabricated by the print-screening technique. The effects of shape, length, size, and thicknesses of the proposed antenna would be evaluated and investigated in this letter. In addition, the center frequency is required to conform to the band (402 ~ 405 MHz) provided by Medical Implant Communication Services (MICS). From the experimental results of the proposed antenna immersed in phantom fluid, the optimum antenna exhibits a miniaturized volume of 288 mm 3, bandwidth of 134 MHz (33%), return loss 16.32 db at 404 MHz, the SAR of 142 W/Kg, and gain of 16 db, respectively.
關聯:	The Sixth China International Conference on High-Performance Ceramics programme Book and Abstracts 2009 China International Conference on High Performance Ceramic (CICC-6)
显示于类别:	[電子與資訊系(遊戲動畫系、動畫科)] 會議論文

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