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Characterisation of electrostatic discharges from insulating surfaces

Davidson, J.L., Williams, T.J., Bailey, A.G. and Hearn, G.L. (2001) Characterisation of electrostatic discharges from insulating surfaces Journal of Electrostatics, 51-52, pp. 374-380. (doi:10.1016/S0304-3886(01)00104-8).

Record type: Article

Abstract

This paper investigates how the presence of a grounded backing plane influences the electrostatic discharge (ESD) characteristics from a charged polystyrene sheet. High-speed digital sampling techniques are used to capture discharge current waveforms via a specially designed current probe, the resultant scans giving clear indication of how the surface charge distribution contributes to the ESD. Data obtained indicate that the presence of a grounded backing plate close to a charged plastic surface has a significant effect on the resultant discharge from the surface for a given initial surface charge density. The results suggest that the presence of an earthed metal backing plate can mean the difference between an incendiary and a non-incendiary ESD. This has implications for the design of plastic components for use in sensitive flammable atmospheres.

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Published date: May 2001
Keywords: electrostatic discharge, surface charge mapping, insulating surfaces
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 256565
URI: http://eprints.soton.ac.uk/id/eprint/256565
ISSN: 0304-3886
PURE UUID: 9d5b998a-2cc8-40b2-8fbe-2d663c0d0a59

Catalogue record

Date deposited: 03 May 2002
Last modified: 18 Jul 2017 09:44

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Contributors

Author: J.L. Davidson
Author: T.J. Williams
Author: A.G. Bailey
Author: G.L. Hearn

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