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Optimization and Application of NTC Thick Film Segmented Thermistors

Authorized Users Only
2013
Authors
Nikolić, Maria Vesna
Aleksić, Obrad S.
Radojčić, B. M.
Luković, Miloljub D.
Nikolić, N.
Đurić, Zorka Ž.
Conference object (Published version)
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Abstract
NTC thermistor paste for printing thermal sensors on alumina was formed of very fine Ni0.5Cu0.2Zn1.0Mn1.3O4 thermistor powder obtained by a combined mechanical activation/thermal treatment process, organic vehicle and glass frit. Sheet resistivity was measured using an R-test matrix and it was much lower than the value determined for pure nickel manganite thermistors. The thermistor exponential coefficient was calculated from the R[ diagram measured in the temperature range-30 to +120°C in a climatic chamber. Thick film segmented thermistors with reduced dimensions (optimized construction) were printed sequentially layer by layer, dried and fired at 850°C/10 min in air. Electrodes were printed of PdAg conductive and solderable paste. The samples obtained were characterized by electrical and thermal measurements. The obtained NTC segmented thermistors with reduced dimensions were applied in a thermal sensor for water flow in the water mains. It contained a cold thermistor for measuring ...input water temperature and a self-heating thermistor for measuring the dependence of water current on water flow rate at a set input voltage power. Initial measurements show that the thermal sensor system requires a low input voltage power making it much easier and safer for operation.

Keywords:
Zn doping / nickel manganite / thick films / NTC thermistors / thermal sensors
Source:
Materials and Applications for Sensors and Transducers II: Proceedings of the 2nd International Conference, 2013, -494
Publisher:
  • Zurich : Trans Tech Publications Inc.
Projects:
  • Zero- to Three-Dimensional Nanostructures for Application in Electronics and Renewable Energy Sources: Synthesis, Characterization and Processing (RS-45007)

DOI: 10.4028/www.scientific.net/KEM.543.491

ISBN: 978-3-03785-616-1

ISSN: 1662-9795

WoS: 000319023100119

Scopus: 2-s2.0-84876385906
[ Google Scholar ]
2
1
URI
http://dais.sanu.ac.rs/123456789/678
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Nikolić, Maria Vesna
AU  - Aleksić, Obrad S.
AU  - Radojčić, B. M.
AU  - Luković, Miloljub D.
AU  - Nikolić, N.
AU  - Đurić, Zorka Ž.
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/678
AB  - NTC thermistor paste for printing thermal sensors on alumina was formed of very fine Ni0.5Cu0.2Zn1.0Mn1.3O4 thermistor powder obtained by a combined mechanical activation/thermal treatment process, organic vehicle and glass frit. Sheet resistivity was measured using an R-test matrix and it was much lower than the value determined for pure nickel manganite thermistors. The thermistor exponential coefficient was calculated from the R[ diagram measured in the temperature range-30 to +120°C in a climatic chamber. Thick film segmented thermistors with reduced dimensions (optimized construction) were printed sequentially layer by layer, dried and fired at 850°C/10 min in air. Electrodes were printed of PdAg conductive and solderable paste. The samples obtained were characterized by electrical and thermal measurements. The obtained NTC segmented thermistors with reduced dimensions were applied in a thermal sensor for water flow in the water mains. It contained a cold thermistor for measuring input water temperature and a self-heating thermistor for measuring the dependence of water current on water flow rate at a set input voltage power. Initial measurements show that the thermal sensor system requires a low input voltage power making it much easier and safer for operation.
PB  - Zurich : Trans Tech Publications Inc.
C3  - Materials and Applications for Sensors and Transducers II: Proceedings of the 2nd International Conference
T1  - Optimization and Application of NTC Thick Film Segmented Thermistors
EP  - 494
DO  - 10.4028/www.scientific.net/KEM.543.491
ER  - 
@conference{
author = "Nikolić, Maria Vesna and Aleksić, Obrad S. and Radojčić, B. M. and Luković, Miloljub D. and Nikolić, N. and Đurić, Zorka Ž.",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/678",
abstract = "NTC thermistor paste for printing thermal sensors on alumina was formed of very fine Ni0.5Cu0.2Zn1.0Mn1.3O4 thermistor powder obtained by a combined mechanical activation/thermal treatment process, organic vehicle and glass frit. Sheet resistivity was measured using an R-test matrix and it was much lower than the value determined for pure nickel manganite thermistors. The thermistor exponential coefficient was calculated from the R[ diagram measured in the temperature range-30 to +120°C in a climatic chamber. Thick film segmented thermistors with reduced dimensions (optimized construction) were printed sequentially layer by layer, dried and fired at 850°C/10 min in air. Electrodes were printed of PdAg conductive and solderable paste. The samples obtained were characterized by electrical and thermal measurements. The obtained NTC segmented thermistors with reduced dimensions were applied in a thermal sensor for water flow in the water mains. It contained a cold thermistor for measuring input water temperature and a self-heating thermistor for measuring the dependence of water current on water flow rate at a set input voltage power. Initial measurements show that the thermal sensor system requires a low input voltage power making it much easier and safer for operation.",
publisher = "Zurich : Trans Tech Publications Inc.",
journal = "Materials and Applications for Sensors and Transducers II: Proceedings of the 2nd International Conference",
title = "Optimization and Application of NTC Thick Film Segmented Thermistors",
pages = "494",
doi = "10.4028/www.scientific.net/KEM.543.491"
}
Nikolić MV, Aleksić OS, Radojčić BM, Luković MD, Nikolić N, Đurić ZŽ. Optimization and Application of NTC Thick Film Segmented Thermistors. Materials and Applications for Sensors and Transducers II: Proceedings of the 2nd International Conference. 2013;:null-494
Nikolić, M. V., Aleksić, O. S., Radojčić, B. M., Luković, M. D., Nikolić, N.,& Đurić, Z. Ž. (2013). Optimization and Application of NTC Thick Film Segmented Thermistors.
Materials and Applications for Sensors and Transducers II: Proceedings of the 2nd International ConferenceZurich : Trans Tech Publications Inc.., null. 
https://doi.org/10.4028/www.scientific.net/KEM.543.491
Nikolić Maria Vesna, Aleksić Obrad S., Radojčić B. M., Luković Miloljub D., Nikolić N., Đurić Zorka Ž., "Optimization and Application of NTC Thick Film Segmented Thermistors" null (2013),
https://doi.org/10.4028/www.scientific.net/KEM.543.491 .

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