在共面波导上沉积聚合物的微波介电常数测量

Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.04CH37510) Pub Date : 2004-05-18 DOI:10.1109/IMTC.2004.1351057

Y. Rolain, A. Barel, F. Gubbels, W. van Moer

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引用次数: 3

摘要

在宽带(45 MHz-18 GHz)测定聚合弹性涂层介电常数时，要在精度和成本之间取得平衡。结果表明，将两个共面波导(CPW)在被测材料厚层(MUT)涂层前后的s参数测量结合起来，并使用解析表达式计算线路的介电常数，可以得到一个“最便宜”的解决方案。昂贵的窄带方法不在此应用程序的范围之内。

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Microwave permittivity measurement of polymers by deposition on a coplanar wave guide

A balance is made between accuracy and cost in the wideband (45 MHz-18 GHz) determination of the permittivity of a polymerised elastic coating. It is shown that the combination of S-parameters measurements of 2 coplanar wave guides (CPW) before and after coating with a thick layer of the material under test (MUT) and the use of an analytical expression for the calculation of the permittivity of the lines, can lead to a 'best bargain' solution. Expensive narrow-banded methods fall out of the scope for this application.

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Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.04CH37510)

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