Detail publikačního výsledku

Precise Conductivity Measurements with Thick-Film IDEs

HUBÁLEK, J., KREJČÍ, J.

Originální název

Precise Conductivity Measurements with Thick-Film IDEs

Anglický název

Precise Conductivity Measurements with Thick-Film IDEs

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

Thick-film Pt interdigitated electrodes (IDEs) are used as miniature and cheap chemical sensor for widespread use as conductivity-based transducer. The planar sensor has been characterised by a precise impedance analyser over a wide range of frequencies and conductivities. The frequency characteristics have been studied to describe the electrode behaviour, and for comparison with theory. We found relations between conductivity and frequency. The ridge frequency was detected as suitable measuring frequency to improve accuracy. Extracted relations can be used as correction characteristics. The correction factor was determined for wide range of conductivity to take precise measurements without cell replacement.

Anglický abstrakt

Thick-film Pt interdigitated electrodes (IDEs) are used as miniature and cheap chemical sensor for widespread use as conductivity-based transducer. The planar sensor has been characterised by a precise impedance analyser over a wide range of frequencies and conductivities. The frequency characteristics have been studied to describe the electrode behaviour, and for comparison with theory. We found relations between conductivity and frequency. The ridge frequency was detected as suitable measuring frequency to improve accuracy. Extracted relations can be used as correction characteristics. The correction factor was determined for wide range of conductivity to take precise measurements without cell replacement.

Klíčová slova v angličtině

thick-film; interdigitated electrodes; conductivity measurements; correction factor; ridge frequency

Autoři

HUBÁLEK, J., KREJČÍ, J.

Vydáno

09.09.2002

Nakladatel

Ing. Zdeněk Novotný, CSc., Brno, Ondráčkova 105

Místo

Brno

ISBN

80-214-2180-0

Kniha

EDS 2002 Electronic Devices and Systems Conference

Strany od

364

Strany počet

5

BibTex

@inproceedings{BUT4947,
  author="Jaromír {Hubálek} and Jan {Krejčí}",
  title="Precise Conductivity Measurements with Thick-Film IDEs",
  booktitle="EDS 2002 Electronic Devices and Systems Conference",
  year="2002",
  pages="5",
  publisher="Ing. Zdeněk Novotný, CSc., Brno, Ondráčkova 105",
  address="Brno",
  isbn="80-214-2180-0"
}