Conductive path ESD shield

Details Conductive path ESD shield Conductive path ESD shield

1993-10-27

1995-01-17

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

174 35R, 174 35MS, 220402, 361212, 361220, H05K 900

Patent

active

053830970

ABSTRACT:
An electrostatic discharge (ESD) shield protects sensitive components of a hand-held device where the ESD can enter the unit along a seam or join of the casing halves. The shield employs a insulating film of high electrical strength, e.g., Mylar. This is cut into a sheet that folds for insertion into one casing half. A printed conductive path on the Mylar aligns with the weak zones in the casing, i.e. the seam, and conducts any static charge away from the electronic components, and preferably to a grounding point such as a recharging contact. The region of the insulating sheet adjacent the sensitive circuitry is free of the printed conductive material.

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patent: 5206783 (1993-04-01), Mori et al.
patent: 5210395 (1993-05-01), Freeman

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