A unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition

Beelee Chua, Z. Li, D. T. McCormick, W. P. Shih, N. C. Tien, A. S. Wexler, D. A. Niemeier, B. Holmen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

To miniaturize airborne particulates sizing and counting apparatus for ubiquitous deployment in air quality monitoring and epidemiological studies, we developed a unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition. It consumes relatively low power at 150mW or less, and operates with either single or multiple discharge electrodes. Potential difference of several kilovolts is maintained between the discharge electrodes within a chip size of less than 1 cm 2 without substrate breakdown or undesired sparkover. Mechanical oscillation of discharge electrode due to elecrrohydrodynamic effects is minimized. Corona charging currents of more than 40μA was achieved before streamers breakdown. Laplacian field simulation for both single and dual cathode design was performed using ANSYS™.

Original languageEnglish
Title of host publicationProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Pages261-264
Number of pages4
Publication statusPublished - 2004
Externally publishedYes
Event17th IEEE International Conference on Micro Electro Mechanical Systems (MEMS): Maastricht MEMS 2004 Technical Digest - Maastricht, Netherlands
Duration: 2004 Jan 252004 Jan 29

Other

Other17th IEEE International Conference on Micro Electro Mechanical Systems (MEMS): Maastricht MEMS 2004 Technical Digest
CountryNetherlands
CityMaastricht
Period04/1/2504/1/29

Fingerprint

Atmospheric composition
Discharge (fluid mechanics)
Atmospheric pressure
Electrodes
Gases
Electric sparks
Air quality
Cathodes
Monitoring
Substrates

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering

Cite this

Chua, B., Li, Z., McCormick, D. T., Shih, W. P., Tien, N. C., Wexler, A. S., ... Holmen, B. (2004). A unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition. In Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS) (pp. 261-264)

A unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition. / Chua, Beelee; Li, Z.; McCormick, D. T.; Shih, W. P.; Tien, N. C.; Wexler, A. S.; Niemeier, D. A.; Holmen, B.

Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). 2004. p. 261-264.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chua, B, Li, Z, McCormick, DT, Shih, WP, Tien, NC, Wexler, AS, Niemeier, DA & Holmen, B 2004, A unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition. in Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). pp. 261-264, 17th IEEE International Conference on Micro Electro Mechanical Systems (MEMS): Maastricht MEMS 2004 Technical Digest, Maastricht, Netherlands, 04/1/25.
Chua B, Li Z, McCormick DT, Shih WP, Tien NC, Wexler AS et al. A unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition. In Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). 2004. p. 261-264
Chua, Beelee ; Li, Z. ; McCormick, D. T. ; Shih, W. P. ; Tien, N. C. ; Wexler, A. S. ; Niemeier, D. A. ; Holmen, B. / A unipolar corona discharge microfabricated ionizer structure for gases at atmospheric pressure and composition. Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). 2004. pp. 261-264
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