A MEMS toolkit for metal-oxide-based gas sensing systems

G. Müller, A. Friedberger, P. Kreisl, S. Ahlers, O. Schulz, T. Becker

Research output: Contribution to journalConference articlepeer-review

42 Scopus citations

Abstract

Silicon micromachining technologies have been used to develop metal oxide gas sensor elements with very small heating power consumption. With the power consumption of a single micromachined sensor element being an order of magnitude less than that of commercial thick-film devices, novel kinds of gas sensing systems become feasible, which allow higher selectivity, lower drift and built-in self-test functionalities to be realised within the power budget of a single thick-film gas-sensing element. Such systems can be built up using components from an emerging MEMS toolkit for miniaturised gas sensing systems. The article presents components of this toolkit and points out system functionalities that can be achieved by combining elements from this kit.

Original languageEnglish
Pages (from-to)34-45
Number of pages12
JournalThin Solid Films
Volume436
Issue number1
DOIs
StatePublished - 22 Jul 2003
Externally publishedYes
EventPapers From The 3rd Seminar on SGS 2002 - Ustron, Poland
Duration: 19 Sep 200222 Sep 2002

Keywords

  • Gas sensors
  • Hotplate
  • Micro electromechanical systems
  • Micro reactors

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