Low-Cost Microfluidics-Enabled Tunable Loop Antenna Using Inkjet-Printing Technologies
2015 9th European Conference on Antennas and Propagation (EuCAP)(2015)
摘要
A low-cost and disposable loop antenna is proposed, which consists of a microfluidics-enabled tunable square loop and a microfluidics-enabled tunable balun to guarantee a similar radiation pattern over a reconfigurable "liquid-controlled" frequency range. By inserting different fluids over partial sections of the loop and the balun, the proposed antenna can achieve a frequency range of 2.28 GHz for water filled channel to 2.45 GHz for empty channel. The proposed antenna is fabricated in a low-cost and non-cleanroom process by integrating inkjet-printing with laser-etching techniques. This antenna can be used as a fluid sensor for biomedical or chemical assay, as well as a tunable antenna for communication applications. The microfluidics-enabled tunable embedded balun can be applied independently as a wideband balun for various communication, sensing and biomonitoring applications.
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关键词
microfluidics, tunable antenna, loop antenna, tunable balun, inkjet printing, additive manufacturing
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