EMI/RFI Shielding

EMI/RFI Shielding


Dontech manufactures a wide variety of woven, fine wire, stainless steel, copper and printed silver meshes for optical EMI/RFI shielding of electronic displays, instrumentation and enclosures. Mesh is typically embedded in glass or plastic substrates such as acrylic, polycarbonate or polyester (PET). The conductive ground plane is then terminated via a perimeter bus bar, extended mesh or conductive gasket. Dontech's mesh counts range from 50 to 255 openings per inch (opi). Standard unplated wire diameter for most mesh counts is 0.0011" with 0.0022" available for 50, 100 and 145 opi mesh. Dontech's optical fine wire mesh combines excellent shielding effectiveness with optical performance making it ideally suited for electronic displays and optics applications.

Typical applications for optical fine wire mesh include EMI/RFI shielding of electronic displays and enclosures used in:

  • Military applications – requiring the attenuation of radiated EMI/RFI emissions and susceptibility per MIL-STD-461
  • Rugged computers, tactical radios, sensors and vehicle-mounted displays
  • Secure communication systems to meet tempest and FCC compliance and for homeland security
  • Medical displays – MRI rooms, display and observation windows
  • Aircraft Shielding – display and instrument panels, aircraft windows and doors
  • Industrial controls, heavy equipment, shipboard electronic systems
  • Test and measurement equipment – telecommunication, signal analyzers and generators

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