Enhanced printed temperature sensors on flexible substrate

被引:35
|
作者
Aliane, A. [1 ]
Fischer, V. [1 ]
Galliari, M. [1 ]
Tournon, L. [1 ]
Gwoziecki, R. [1 ]
Serbutoviez, C. [1 ]
Chartier, I. [1 ]
Coppard, R. [1 ]
机构
[1] CEA LITEN DTNM, F-33054 Grenoble 9, France
关键词
Sensors; PTC; NTC; Temperature; Flexible substrate; Printed electronics; COMPOSITE;
D O I
10.1016/j.mejo.2014.08.011
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper we present the development of enhanced printed temperature sensors on large area flexible substrates. The process flow is a fully screen printed technology that uses exclusively solution-processed materials. These Screen printed temperature sensors are based on resistive pastes integrated in a Wheatstone bridge circuit. Substrate is a commercial Poly Ethylene Naphtalate (PEN) with a thickness of 125 mu m. Functional temperature sensors are demonstrated and characterized with good electrical properties, showing a good sensitivity of 0.06 V/degrees C at V-in = 4.8 V. This sensitivity is enhanced by the annealing and the O-2 plasma treatment. Based on this temperature sensor, we have developed a demonstrator for human body temperature detection. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1621 / 1626
页数:6
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