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Characterisation of electrostatic discharges from insulating surfaces

Characterisation of electrostatic discharges from insulating surfaces
Characterisation of electrostatic discharges from insulating surfaces
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.
electrostatic discharge, surface charge mapping, insulating surfaces
0304-3886
374-380
Davidson, J.L.
807b2a9c-a460-4662-9699-45a6b9761e88
Williams, T.J.
99d7e758-9705-4f86-a68b-ace614309bf4
Bailey, A.G.
4d3e6ad9-acd7-495f-8a49-c77c9e20df5a
Hearn, G.L.
0549acd7-9b88-4601-8c3f-f96c8853c744
Davidson, J.L.
807b2a9c-a460-4662-9699-45a6b9761e88
Williams, T.J.
99d7e758-9705-4f86-a68b-ace614309bf4
Bailey, A.G.
4d3e6ad9-acd7-495f-8a49-c77c9e20df5a
Hearn, G.L.
0549acd7-9b88-4601-8c3f-f96c8853c744

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, 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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More information

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

Identifiers

Local EPrints ID: 255919
URI: http://eprints.soton.ac.uk/id/eprint/255919
ISSN: 0304-3886
PURE UUID: 72bb72bb-7cb9-4cee-9d62-0463180f5704

Catalogue record

Date deposited: 06 Jun 2001
Last modified: 16 Jul 2019 23:00

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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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