测定SE用镀金聚酯薄膜的分析

2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2021-11-28 DOI:10.1109/iwem53379.2021.9790633

Chen Chaochan

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引用次数: 0

摘要

设计了法兰同轴测试仪，用于测量平面电磁屏蔽材料的远场屏蔽效能。根据之前对测试仪的研究，根据ASTM D4935-2018的要求，开发了一个标准参考试样，以验证整个测试系统的正常运行。采用高频溅射设备在聚合物上溅射金，制备了镀金聚酯薄膜。首先测量了表面电阻率，然后通过理论计算和测量分析了SE与表面电阻率的关系。最后确定了测量不确定度，验证了系统具有良好的重复性。

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Analysis of gold-plated polyester film for SE measurement

The flanged coaxial tester is designed to measure shielding effectiveness (SE) of planar electromagnetic shielding materials in far field. Based on the previous studies on tester, it developed a standard reference specimen to validate the entire testing system is working well according to ASTM D4935-2018. Gold-plated polyester film is developed by sputtering gold on polymers using high-frequency sputtering equipment. It measured the surface resistivity, then analyzed the relationship between SE and surface resistivity by theoretical calculation and measurement. In the end, it determined the measurement uncertainty, which verifies good system repeatability.

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2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)

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