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  4. Silicon thin film sensor for measurement of dissolved oxygen
 
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1996
Conference Paper
Title

Silicon thin film sensor for measurement of dissolved oxygen

Abstract
A Clark-type oxygen sensor based on a silicon thin film transducer is constructed. Onto the chip a micromachined wafer is atached to form a compartment for the internal electrolyte, which is covered by a gas permeable mebrane. In contrast to other miniaturized sensors a microelectrode array is used as cathode showing the typical adventageous microelectrode properties and allowing to measure in both stirred and unstirred solutions. The sensor is characterized regarding the calibration, long term stability and response time.
Author(s)
Wittkampf, M.
Chemnitius, G.
Cammann, K.
Rospert, M.
Mokwa, W.
Mainwork
Eurosensors X. Proceedings  
Conference
Eurosensors 1996  
Language
English
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Keyword(s)
  • array

  • chemischer Sensor

  • Meßaufnehmer

  • Mikroelektrode

  • Sauerstoff

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