如何测量得到介质的介电常数。

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0楼发表于: 2015-04-03 21:00:12

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现在有许多基板材料，但是都不知道介电常数，哪位大神知道如何测量。

目前实验室有矢量网络分析仪，可以加工并测量PCB（已知介电常数，损耗正切值和 ..

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1楼发表于: 2015-04-04 04:49:39

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我PhD论文里关于这个方面的引用，最后用的是第57个Barry的那个方案，测到数据后用MATLAB按照他的公式计算。金工工艺水平对有效测量频率的影响非常大，用他文献里一样的带状线，当时学校金工作坊的水平只能测到2.5 GHz。后来用同轴线来测就可以测到5.5 GHz。

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