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Designing electrode profiles with the equipotential method

Wei, Wanchun (2021) Designing electrode profiles with the equipotential method. Journal of Electrostatics, 109 . Art. No. 103550. ISSN 0304-3886. doi:10.1016/j.elstat.2021.103550.

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A good electrode design not only produces the goal electric fields, but also eliminates harmful high-field spots that can cause electrical breakdown. In this paper, we present the equipotential method to generate electrode profiles. It is a physical method. The desired field is constructed first by a set of virtual electrodes, and then the equipotential contours naturally become the electrode profiles. We will demonstrate the simple procedures to design uniform field electrodes and recessed electrodes to accommodate dielectric structures. It shows versatility and flexibility in designing electrodes of low symmetry or irregular shapes as well as in complex boundary conditions.

Item Type:Article
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Wei, Wanchun0000-0002-9670-4787
Additional Information:© 2021 Elsevier. Received 19 October 2020, Revised 8 December 2020, Accepted 4 January 2021, Available online 7 January 2021. The author thanks R. Carr, V. Cianciolo, S. Clayton, R. Golub, M. Hayden, T. Ito, S. Lamoreaux, R. Pattie, J. Ramsey, C. Swank and Z. Tang for helpful comments and discussions. This work was supported by the US Department of Energy under Contract No. DE-AC52-06NA25396 under proposal number LANLEEDM and the National Science Foundation, USA under Grant No. 1812340. The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC52-06NA25396
Subject Keywords:3D electrode design; Equipotential method; Uniform field electrode; Electrodes to hold a dielectric object; Electrode of low symmetry; Electrode of irregular shape
Record Number:CaltechAUTHORS:20210112-135209480
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Official Citation:Wanchun Wei, Designing electrode profiles with the equipotential method, Journal of Electrostatics, Volume 109, 2021, 103550, ISSN 0304-3886,
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:107437
Deposited By: George Porter
Deposited On:13 Jan 2021 14:57
Last Modified:16 Nov 2021 19:02

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