Speaker A
A crackling sweater, hair that sticks straight out from your head, a small electric shock from a door handle.
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We're all familiar with those moments when there's a discharge of static electricity. This phenomenon is known as electrostatic discharge or ESD.
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ESD often occurs in very common everyday situations like when walking on a carpet in plastic sold shoes.
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When this happens, mainly negative electrical charges are picked up and distributed across the entire surface of the object or body.
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If contact is then made with another conductive body or with ground, this charge suddenly flows off.
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Depending on the number of volts involved, it will be possible to feel, hear, and see this phenomenon in the form of a spark or a flash.
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Voltages of over 10,000 volts can easily arise in modern workplaces, and although this would pose no danger to people, it could mean the end for electronic devices.
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Plastics in particular are very susceptible to electrostatic charging due to their high surface resistance. For example, the surface potential of a normal plastic box is anywhere up to 20,000 volts.
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A dangerous environment for any electronic devices transported inside it. Electrostatic discharge sensitive devices are known as ESDS devices and are identified by this symbol.
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As miniaturization gathers pace, such devices are becoming more and more sensitive to ESD.
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The extremely thin conducting paths in active electronic components like ICs are often unable to withstand the high ESD voltages involved.
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Some of the damage sustained in this way is clearly visible, but some can only be seen under an electron microscope.
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These different types of damage are referred to as direct faults and latent faults.
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With a direct fault, the device is either visibly damaged or its function is impaired. Damage like this can be sustained when taking measurements, for example.
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However, less than 30% of all damage caused by an ESD event is direct damage. Such faults are relatively easy to identify and can be remedied at a comparatively low cost.
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The rate of damage due to what are known as latent or intrinsic faults is much higher.
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These faults cannot be detected when the devices or components are delivered, since they will still work. Only once they're operating might failures arise, which can have severe consequences.
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If damage within assemblies leads to production line stoppages, this can result in huge costs due to servicing or repair work.
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Spaces that are free of ESD provide effective protection against damage caused by electrostatic discharge.
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Within these electrostatic discharge protected areas or EPAs, all necessary precautionary measures are taken.
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to ensure that work can be carried out with electrostatic sensitive devices without the risk of damaging them.
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The only way to safeguard quality and the company's success in the long term is to take the professional handling of electronic devices seriously.
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