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3 October 2022 Fully printed high-density temperature sensor array (Conference Presentation)
Robert Huber, Henning Mescher, Georg Gramlich, Qiaoshuang Zhang, Gerardo Hernandez-Sosa, Uli Lemmer
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Proceedings Volume PC12210, Organic and Hybrid Sensors and Bioelectronics XV; PC122100F (2022) https://doi.org/10.1117/12.2633363
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
We present a fully printed temperature array yielding a total of 625 sensor pixel on a 12 mm by 12 mm area. Screen and aerosol jet printing are combined to fabricate the sensor stack. The active area features a bottom and top silver electrode sandwiching a thermoplastic based thermistor material. Due to the robust behavior towards humidity no encapsulation or special treatment was necessary. The sensor was operated between 0°C to 110°C exhibiting measurement accuracy of +/- 1°C. As demonstration, a laser was used to heat the sensor array locally and its beam properties and diameter could be observed.
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Robert Huber, Henning Mescher, Georg Gramlich, Qiaoshuang Zhang, Gerardo Hernandez-Sosa, and Uli Lemmer "Fully printed high-density temperature sensor array (Conference Presentation)", Proc. SPIE PC12210, Organic and Hybrid Sensors and Bioelectronics XV, PC122100F (3 October 2022); https://doi.org/10.1117/12.2633363
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KEYWORDS
Temperature sensors
Printing
Sensors
Additive manufacturing
Electrodes
Environmental monitoring
Humidity
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