ESD Damage due to charge potentials

ESD Schade

ESD Damage due to charge potentials

Nonconductive objects can be damaging charge carriers even without any sparking or obvious effect. This occurs due to the formation of very small static electricity charge potentials when nonconductor come into contact with each other and then separate.

For example, removing a styrofoam cup from a stack of cups can create a charge potential on the surface of the removed cup as it separates from the stack. If this cup is then closely placed next to an integrated circuit, the charge potential on the cup can sweep across the chip's exposed conductors, causing damage to the internal silicon circuit traces. The damage may be so minor that the chip is merely wounded rather than outright destroyed, and will appear to function normally in some cases but not others.



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