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Study of temperature characteristics of micromachined suspended coplanar waveguides for biosensing applications
In the recent development on biosensors, coplanar waveguide based microwave dielectric sensors have been attracting more and more attentions. In this paper, microwave performance of a suspended coplanar waveguide subject to temperature variations, particularly in a small range, is studied. The proto...
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Published in: | Sensors (Basel, Switzerland) Switzerland), 2011-03, Vol.11 (3), p.2640-2651 |
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description | In the recent development on biosensors, coplanar waveguide based microwave dielectric sensors have been attracting more and more attentions. In this paper, microwave performance of a suspended coplanar waveguide subject to temperature variations, particularly in a small range, is studied. The prototype is realized through a MEMS fabrication foundry. The thermal transfer analysis of the device is conducted using finite element method, and the microwave properties of the device are characterized. One of the results shows that at 20 GHz, the S11 has decreased by 7.4%, and S21 has increased by 3.5% when the voltage applied to the heaters varies from 9 V to 29 V. |
doi_str_mv | 10.3390/s110302640 |
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subjects | Biosensing Techniques - instrumentation Biosensing Techniques - methods Biosensors Computer Simulation coplanar waveguide Design Electric currents Electricity Equipment Design Finite element analysis Heat Heaters Microscopy, Electron, Scanning Microtechnology - instrumentation Microtechnology - methods Microwaves Models, Theoretical Sensors Silicon Software Temperature temperature characteristics |
title | Study of temperature characteristics of micromachined suspended coplanar waveguides for biosensing applications |
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