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Why do I have to apply MIL-PRF-81705 barrier materials?

ESD protective materials limit static electricity generation by rapidly dissipating electrostatic charges over its surface or volume or provides shielding against electromagnetic interference forces. These barrier materials are used to fabricate enclosures for electrostatic susceptible equipment and components. They are especially formulated to prevent the build-up or retention of electrostatic potential, the objective being to maximize explosive safety, to protect miniature electronic parts, and to preclude ignition of stray flammable materials. Guidance in the application of these materials may be found in ANSI/ESD S20.20, Handbook for the Development of an Electrostatic Discharge Control Program for the Protection of Electronic Parts, Assemblies and Equipment.

  • Type I barrier material - is intended for use for the waterproof electrostatic and electromagnetic protection of microcircuits, certain semi-conductor devices (such as microwave diodes and field effect transistors, sensitive resistors and other miniature electronic parts requiring this protection).
  • Type III barrier material - is intended for use when a transparent, waterproof, electrostatic protective or electrostatic shielding is required.

Category: Electrostatic Discharge (ESD)