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Characterizing the Electrical Properties of Anisotropic, 3D-Printed Conductive Sheets for Sensor Applications

机译:用于表征传感器应用的各向异性3D印刷纸张的电性能

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This paper introduces characterization techniques to investigate electrical properties of 3D-printed conductors. It presents the combination of a physical model to describe frequency dependent electrical properties of 3D-printed conductors; the use of infrared thermography in combination with Joule heating to characterize electrical anisotropy in 3D-printed sheets; and the use of the voltage contrast scanning electron microscopy method (VCSEM) to determine potential distributions in 3D-printed sheets. By means of lock-in thermography, infrared (IR) measurements are improved and amplitude modulation enables lock-in thermography at excitation frequencies above the thermal cut-off frequency. Measurements on sensor samples show the potential of the methods for characterizing sheet-like, conductive structures. The characterization methods allow improvement of 3D-printed sensor designs and exploit electrical properties of 3D-printed conductors.
机译:本文介绍了研究3D印刷导体的电气性能的表征技术。它呈现了物理模型的组合来描述3D印刷导体的频率相关的电性能;红外热成像与焦耳加热结合使用,以在3D印刷床单中表征电各向异性;并使用电压对比度扫描电子显微镜方法(VCSEM)来确定3D印刷床单中的潜在分布。借助于锁定热成像,改善红外(IR)测量和幅度调制在热截止频率高于励磁频率时能够锁定热成像。传感器样品上的测量显示了用于表征片状导电结构的方法的电位。表征方法允许改进3D印刷传感器设计并利用3D印刷导体的电性能。

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