All silk-screen printed polymer-based remotely readable temperature sensor

Juha Veikko Voutilainen, Tuomas Happonen, Juha Hakkinen, Tapio Fabritius

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

In this paper, we present the fabrication and characterization results of a remotely readable flexible temperature sensor. The sensor has been fabricated with screen printing technology and it consists of a polymer-based capacitor (ASAHI CR18-KTI polymer paste) as a temperature sensitive component added to the antenna coil (ASAHI LS411-AW silver paste) for remote reading purposes. The resonance frequency of the sensor (i.e. the formed LC network) is measured as a function of temperature. The sensor has been characterized in the temperature range of 0 °C-70 °C and the total sensitivity over this range is ∼ 9 kHz/°C. The sensor's normalized temperature response is independent from the polymer capacitor's thickness and the effective capacitor area, which enables reasonable performance despite fabrication process induced inaccuracies. Due to the inexact nature of the resonance peak measurement, a data-analysis algorithm was developed to enhance the accuracy of the measurement method. In addition, the sensor response to the misaligned reader and the sensor self-heating effect, due to the inductive excitation voltage, are considered. Finally, the calibration of such a sensor is discussed.

Original languageEnglish
Article number6881652
Pages (from-to)723-733
Number of pages11
JournalIEEE Sensors Journal
Volume15
Issue number2
DOIs
Publication statusPublished - Feb 2015
MoE publication typeA1 Journal article-refereed

Fingerprint

silk
temperature sensors
Silk
Temperature sensors
sensors
Sensors
polymers
Polymers
Capacitors
capacitors
Fabrication
Screen printing
fabrication
temperature
Temperature
readers
printing
Silver
Calibration
Antennas

Keywords

  • Printed electronics
  • remote reading
  • self-heating
  • temperature sensor

Cite this

Voutilainen, Juha Veikko ; Happonen, Tuomas ; Hakkinen, Juha ; Fabritius, Tapio. / All silk-screen printed polymer-based remotely readable temperature sensor. In: IEEE Sensors Journal. 2015 ; Vol. 15, No. 2. pp. 723-733.
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All silk-screen printed polymer-based remotely readable temperature sensor. / Voutilainen, Juha Veikko; Happonen, Tuomas; Hakkinen, Juha; Fabritius, Tapio.

In: IEEE Sensors Journal, Vol. 15, No. 2, 6881652, 02.2015, p. 723-733.

Research output: Contribution to journalArticleScientificpeer-review

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