ESD field coupling study in relation with PCB GND and metal chassis

This work demonstrates a simple experimental setup to measure ESD-induced voltage to traces on a printed circuit board when ESD current is injected directly onto the outside of a metal case and presents how the induced voltage can be affected by the physical structure of the PCB ground and the metal...

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Bibliographic Details
Main Authors: Jong-sung Lee, Pommerenke, D., Jae-deok Lim, Byong-su Seol
Format: Conference Proceeding
Language:English
Subjects:
Circuit testing
Coaxial cables
Computer aided manufacturing
Copper
Couplings
Electrostatic discharge
Joining processes
Oscilloscopes
Research and development
Voltage measurement
Online Access:Request full text
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Summary:This work demonstrates a simple experimental setup to measure ESD-induced voltage to traces on a printed circuit board when ESD current is injected directly onto the outside of a metal case and presents how the induced voltage can be affected by the physical structure of the PCB ground and the metal case. The correlation between ESD-induced voltage and the method of connecting the PCB and chassis grounds shall be discussed, as well as how the PCB ground fill affects ESD. These experimental results may provide guidance for a better design for ESD immunity.
DOI:10.1109/EMCZUR.2009.4783413