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A question about electrostatic discharge.

Discussion in 'Electronic Basics' started by ThisJobs4Me, Dec 26, 2003.

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  1. ThisJobs4Me

    ThisJobs4Me Guest

    Hello, I am in the office furniture business and have a customer that is
    looking into a product i sell for an electronics lab. The product has basic
    laminate tops on particleboard substrate and the question of static discharge
    has come up. obvioiusly he is concerned about ICs being damaged by discharge
    off the tops. Ive used this product for years and have never seen them cause a
    shock but i cant find any verifying information from either my manufacturer or
    the manufacturer of the laminate itself. Seems when i was in school for
    electronics engineering many years ago we worked in labs on tops of this
    material and didnt have problems but id like to find a source of reference. Any
    thoughts welcome. Thanks in advance.


    D
     
  2. Professional labs, workshops, warehouses and other places that are used for
    handling electronics parts use special conducting floor-covering, table tops
    and furniture all to prevent ESD. Only authorised personel waring conducting
    and grounded bracelets are entitled to handle the parts. They often wear
    special coats and footware all to prevent electric discharge. This has
    nothing to do with electric shocks that may hit people. Even very smal
    discharges, the ones you can't possibly feel, may damage MOS devices. If
    this parts fail immediately it is bad, if its only partly damaged it's
    worse. This is because it wil not perform according to its specs and may
    easily fail in the future. Which is more expensive. Furnishing this
    workspaces has become profession in its own right. The requirements differ
    in many ways with respect to office furniture.

    petrus
     

  3. Laminate worktops are insulating plastics, and can develop enough
    charge to damage modern ICs. It doesn't need to be high enough for you
    to feel it before it can degrade, or destroy an IC. Not all ESD IC
    failures are obvious right away. You can change the

    Add a properly grounded antistatic (ESD) mat, and any reasonably
    sized smooth, flat surface is a good workbench. Also, he needs a
    Anti-static wrist strap connected to the same ground as the mat.


    Take a look here for more information: http://www.desco.com/catalog/
    --
    Merry Christmas!

    Take care, and God bless.
    Michael A. Terrell
    Central Florida
     
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