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EUROSTAT, ESD EXPERTS
PIONEER IN THE PROTECTION OF
ELECTROSTATIC DISCHARGES
WHAT ARE ELECTROSTATIC DISCHARGES?
All materials are composed of In order to avoid those damages, it is necessary
atoms. Each atom is composed to implement the protective measures aiming
of a positive charge, around
elimination of all static electricity sources and
which gravitate many negative
consequently, prevention of the electrostatic
electrons. At rest, positive nucleus
discharges. Nevertheless, if the static discharges
charges are equal to the sum of
negative charges of the electrons appear, Eurostat has developed a whole range of
that gravitate around them. The materials and products, providing the protection for
charge is therefore remains neutral. electrostatic sensitive devices such as PCBs.
Static electricity is a phenomenon
which happens when two surfaces Conductive
contact each other and are then Allows a rapid discharge to ground that
Grounding
separated. It’s at this moment that can have the same eΩect as an ESD resistance less
an exchange in electrons between discharge. These materials insure a bond than
with ground but do not mitigate the energy Rg < 1 x 10 Ω
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both surfaces can occur. At this
exchanged during a discharge.
moment occurs a movement of
electrons that creates charges at Dissipative Grounding
the surface of both materials. Allows a slower discharge from the charge resistance is
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carrier to the ground, reducing the risk of between 10 <
This exchange of electrons between Rg < 1 x 10 Ω
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potential damage.
conductive materials (and man
made materials) can occur suddenly,
Insulative OΩer no
creating an electrostatic discharge grounding of
OΩer no grounding of electrostatic
with irreversible damage, especially charges. electrostatic
to electrical components. charges Rg
> 1 x 10 Ω
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