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EMI/RFI shielded mesh foil windows

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Transparent EMI/RFI-shielding foil
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Conductive mesh

Series

Width of the visible area in mm.
Length of the visible area in mm.
Single windows, 1, 2, 3 or 4 mm. Stepped windows 2, 3, 4, 6, or 8 mm. Other thickness on request.
Specify the mesh wire angle in degrees. Standard is 0 degrees. For LCD displays, 17°, 35° or 45° are used typically.

For the highest possible EMI / RFI shielding performance, a woven electrically conductive microstructure of mesh is bonded between two layers of glass or plastic (stepped double layered window). The EVA combined with the mesh will work as reinforcement for the glass. Alternatively, a single layer of Mesh foil 9000 series is fixed onto one side of a single glass or plastic window with self-adhesive (single layered window).

This can be done by laminating or edge bonding. The EMI-shielded mesh-foil windows can be provided with a silver bus bar, an electrically conductive gasket or can be supplied with a frame for easy mounting. Windows can optionally be provided with a water seal.

Window types
EMI/RFI shielded mesh foil windows types
Single layer: Wire mesh fixed onto one side of a glass or plastic window Double layer: Wire mesh bonded between two glass or plastic windows
Note that it is also possible to laminate the wire mesh
under a custom angle to prevent moiré effect on for example monitors or LCD displays.
Technical details
Material 8901 8902
(standard)		 8903 Copper
wires/inch (OPI) 130 130 100 70 100
Mesh total thickness (mm) 0.085 ±0.01 0.085 ±0.01 0.050 ±0.01 0.076 ±0.01 0.050 ±0.01
Nominal Aaperture (mm) 0.110 0.110 0.204 0.287 0.204
Light Transmission % 64.5 64.5 64.5 62.6 64.5

Please note: top layer can be affected by acid for example from the human skin. To protect the conductive layer, you can apply a transparent film or use the adhesive side on top. Max. working temperature 60 ºC.

Small optical defects are allowed in this product. If you require a product that has absolutely no optical defect then contact us for the "superior selected quality". Please realize that by the extreme caution taken in production, these products can be several times more expensive.

 Light transmission

Opacity of mesh windows is 64.5%. A lack of available light should not be a concern, since an average pair of sunglasses allows less than 9% light to come through.

Applications
  • LCD displays
  • Membrane switches
  • Touch screens
  • Defense / Avionics etc.
  • Devices for medical technology
  • For test and measuring instruments
 Window materials

EMI/RFI shielded mesh foil windows can be made from your existing windows or can be supplied as a new window made of:

  • Polycarbonate (material code P)
  • Acrylic (material code A)
  • Glass (material code G)
  • Polycarbonate scratch resistant (material code PS)

Shielding performance

9700 series - Mesh foil windows

Please note : These values are measured under laboratory conditions. Results may vary in other situations; please read our Guarantee.

EMI/RFI shielded mesh foil windows produced up to 3x1.5 meter
Contact edges
EMI/RFI shielded mesh foil copper bushbar
CO : Copper busbar (Single layer) Wire mesh fixed onto one side of a glass or plastic window. Copper busbar all around to make an electrical contact with the housing / Faraday cage. CO : Copper busbar (Double layer) Wire mesh fixed between two glass or plastic windows. Copper busbar all around to make an electrical contact with the housing / Faraday cage.
EMI/RFI shielded mesh foil tinned copper bushbar
TC : Tinned copper busbar (Single layer) Wire mesh fixed onto one side of a glass or plastic window. With tinned copper edges for easy soldering and grounding. TC : Tinned copper busbar (Double layer) Wire mesh fixed between two glass or plastic windows. With tinned copper edges for easy soldering and grounding.
EMI/RFI shielded mesh foil silver bushbar
SB : Silver busbar (Single layer) Wire mesh fixed onto one side of a glass or plastic window. Silver busbar all around to make an electrical contact with the housing / Faraday cage. SB : Silver busbar (Double layer) Wire mesh fixed between two glass or plastic windows. Silver busbar all around to make an electrical contact with the housing / Faraday cage.
EMI/RFI shielded mesh foil flying mesh
FM : Flying mesh (Single layer) Wire mesh fixed onto one side of a glass or plastic window. Flying mesh all around to make an electrical contact with the housing / Faraday cage. FM : Flying mesh (Double layer) Wire mesh fixed between two glass or plastic windows. Flying mesh all around to make an electrical contact with the housing / Faraday cage.
EMI/RFI shielded mesh foil windows no contact edge
NO : No contact edge (Single layer) Wire mesh fixed onto one side of a glass or plastic window. NO : No contact edge (Double layer) Wire mesh fixed between two glass or plastic windows.
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