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Z-Mar Technology | ESD Frequently Asked Questions
  1. What is electrostatic discharge (ESD)?

  2. What causes ESD?

  3. How is ESD able to damage a component?

  4. How can I prevent ESD damage?

  5. Is ESD damage going to remain a problem?

  6. Have an ESD question that is not here?


What is electrostatic discharge (ESD)?

It's the sudden transfer (discharge) of electricity from one object to another. ESD is commonly known as "static electricity." Here are some examples:

* Lightning

* The "shock" you sometimes feel in the winter when you walk across a carpet and touch a doorknob

* The crackling and sparks when you remove clothes from your dryer

ESD seems harmless, but it can damage electronic components (parts) and assemblies.

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What causes ESD?

ESD usually results when 2 objects touch, rub or slide together, or are separated. Even 2 charges objects coming close together--without touching--can cause ESD.

ESD is often caused by people.

* Your body easily picks up charge (electrons)

* Your skin, hair and body can store relatively large amounts of static charge.

* You can transfer (discharge) this electrical cahrge to components or assemblies - causing ESD Damage.

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How is ESD able to damage a component?

Even a tiny charge of electricity -- one that you can't see, hear or feel -- is as damaging as a bolt of lighining to components and assemblies.

Today's components and assemblies are more efficient and smaller than ever before. They're also much more delicate and sensitive to static electricity!

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How can I prevent ESD damage?

3 rules to follow.

* assume that all components and assemblies are sensitive to ESD. If you have any questions, ask your ESD control coordinators.

* handle ESD-sensitive items only when you are properly grounded at a static-safe work area.

* store and transport ESD-sensitive items in static shielding containers.

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Is ESD damage going to remian a problem?

Unfortunately, yes. However, ESD damage can be signicantly reduced if everyone follows proper ESD control procedures.

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