基于谐振腔体法的材料电磁参数测试 (4)

4 结论

      本文介绍了一种全新的分裂圆柱体谐振腔体，并且以聚四氟乙烯的测量为例，详细介绍了采用这种腔体完成介质材料测试的具体过程。此项方法操作简单、精度高， 的精度为1%，损耗正切的精度为0.0001，最适合于衬底、薄膜、PCB等材料的测量，并且遵循IPC测试规范TM-650 2.5.5.13。

图3  基于矢网E8363C的85072A腔体测量设置

图4 基于85071E材料测量软件的测量结果

参考文献

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