Datalogic GRYPHON ESD D200 Snelle referentie - Pagina 17

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Glossary

1. ESD: Electrostatic Discharge. Fast charge transfer

between objects with a different electrostatic potential caused

either by direct contact or by an electrostatic field.

2. ESDS: Electrostatic discharge sensitive devices. Devices

that can be damaged by ElectroStatic discharge.

3. EPA: ESD - protected area. Area where the ESDS can be

managed safely. The ESD events are substantially avoided.

4. Surface Resistence. Ratio between the D.C. voltage applied

between two electrodes on a test surface and the current

among them.

5. Surface Resistivity. It is equivalent to the Surface

Resistance measured on a rectangular surface, with the

electrodes on two opposite sides.

6. Conductive Electrostatic Material. Material having a

surface resistivity between 10

7. Dissipative Electrostatic Material. Material having a

surface resistivity between 10

8. Insulant Electrostatic Material. Material having a surface

resistivity over 10

9. Hard Grounding. It is a galvanic Earth connection through a

highly conductive path that could lead to excessively high or

rapid charging/discharging phenomena. The only remedy is to

increase the resistance of the overall grounding path.

Ω.

Ω and 10

Ω.

Ω and 10

Ω.