Paper Title:
Segmented Thermistors Printed by NTC Nanometric Paste and Applied in Volume Air-Flow Sensors
  Abstract

An investigation path starting from (Mn,Ni,Co,Fe)3O4 nanometric powder preparation, NTC thick-film characterization, realization and optimization of new planar thermistor geometries to custom design thermistors and their application for temperature and volume airflow sensors was recently determined. The aim was to make custom designed segmented NTC thermistors printed and sintered on alumina. Two types of volume airflow sensors were formed: indirectly heated and self-heated. A pair of segmented thermistors was placed in an air guide and connected to differential branches of the Wheatstone bridge. A heater was placed in the middle between the thermistors for the indirectly heated type, while for the self-heated type the same thermistors were self-heated by a constant current source. First the thermistor responses vs. the airflow (calibration curves) were measured, and then thermistor responses in time (inertia) to fast airflow changes from the minimum to the maxi

  Info
Periodical
Edited by
Dragan P. Uskokovic, Slobodan K. Milonjic and Dejan I. Rakovic
Pages
247-252
DOI
10.4028/www.scientific.net/MSF.518.247
Citation
O. S. Aleksić, S.M. Savić, M. D. Luković, K.T. Radulović, L.S. Lukić , "Segmented Thermistors Printed by NTC Nanometric Paste and Applied in Volume Air-Flow Sensors", Materials Science Forum, Vol. 518, pp. 247-252, 2006
Online since
July 2006
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$32.00
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