Embedded, Fully Spray-Coated Pressure Sensor Using a Capacitive Transducing Mechanism

Polymers

Bernhard Jakoby¹  Christina Offenzeller¹  Marcel Knoll¹  Wolfgang Hilber¹ 

[1] Institute for Microelectronics and Microsensors, Johannes Kepler University Linz, 4040 Linz, Austria;

关键词: pressure sensor;    embedded;    spray-coated;    additive manufacturing;    high pressure;    high temperature;    capacitive;    polymer composite;    metal/organic;   

DOI  :  10.3390/polym10080852

来源: DOAJ

【 摘 要 】

Embedding functional sensor layers directly into mechanical systems in heavy-duty surroundings facilitate the real-time monitoring of the system’s state. This work presents a fully-spray coated pressure sensor that is suitable for applications in the high pressure range. It is embedded into functionalized organic coatings that additionally act as a dielectric for the capacitive sensing mechanism. The sensitivity of the sensor, as well as its long-time stability, has been determined. Additionally, testing has been performed at elevated temperatures to determine the temperature dependent sensitivity that arises from the temperature dependence of the Young’s moduli.

【 授权许可】

Unknown