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Mesh foil is the easiest way to create a transparent EMI/RFI-shielded window. You can shield existing standard displays, glass, acrylic, polycarbonate and PMMA windows yourself
Mesh foil is a very fine, electrically conductive wire mesh laminated between two layers of scratch-resistant transparent foil. The wires are so fine that they can be hardly seen with the naked eye. This product is very strong yet can bend easily.
It is easy to apply our Mesh foil onto glass, acrylic and polycarbonate, either by hand or with a laminator. It can be supplied with or without self-adhesive.
The foil can be made with flying mesh on the sides or around the foil. This means that a part of the very fine wire mesh is not covered in transparent foil. The exposed edges of wire mesh can be used to create an electrical connection with your enclosure. Alternatively a conductive or non-conductive adhesive can be provided along the edges or there can be a silver busbar around the circumference.
Maximum sheet/roll width 1020 mm.
Standard wire-mesh material:
Options (on request)
Mesh foil applications
Mesh foil on a roll, Mesh foil with Aluminum frame, etc.
NOTE: For LCD displays, 17°, 35° or 45° are used typically. We recommend that you request a sample of the product to determine the proper angle of the wire mesh for your application.
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Mesh foil with or without self-adhesive
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Mesh foil sheet styles (underlined sheet styles are most commonly used)
Mesh foil with or without flying mesh
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Mesh foil with a silver busbar
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Mesh foil mounting examples:
Mounting example 1
Mesh foil mounted with Conductive glue 3980 series
Mounting example 2
Mesh foil mounted with Conductive tape 3201
Mounting example 3
Mesh foil mounted in a clamping construction
Mounting example 4
Standard Mesh foil mounted in a clamping construction with an EMI gasket. A water seal is possible here.
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Technical details and shielding performance
Shielding performance up to 100 dB between 10 kHz and 30 GHz.
| Type (wires/inch) | 100 | |
|---|---|---|
| Wire diameter (mm) | 0.050 | |
| Nominal aperture (mm) | 0.204 | |
| Light transmission % | 64.5 | |
| Field type | Frequency | dB |
| H | 10 kHz | 22 |
| H | 100 kHz | 23 |
| H | 1000 kHz | 29 |
| E | 1 MHz | 105 |
| E | 10 MHz | 98 |
| E | 100 MHz | 90 |
| P | 1 GHz | 70 |
| P | 10 GHz | 45 |
| These values are measured under laboratory conditions. In other situations, results may differ; please read our Guarantee. | ||
*Mesh foil 100 OPI is our standard Mesh foil. We can also deliver 250 OPI on request.
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Shielding performance in graph
■9000 Standard mesh foil 130 OPI Magnetic |
■9000 Standard mesh foil 130 OPI Electric / Plane wave |
Please note : These values are measured under laboratory conditions. Results may vary in other situations; please read our Guarantee.
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Standard available widths
We have mesh foil in standard widths of stock. The standard widths are 10, 20, 30, 40, 50, 100, 200, 250, 500 and 1000 mm. Any other width/size can be produced within days.
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Turnkey windows
If you are interested in ready-made mesh-foil windows, please take a look at our 9700 series EMI/RFI shielded mesh-foil windows. Here the mesh foil is bonded between two layers of glass or plastic, or a single layer of mesh foil is fixed onto one side of a single glass or plastic window.
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NEW Micro Suction Silicone adhesive
For easy manual application of the foil we offer a new Micro Suction Silicone adhesive. This adhesive has a number of advantages that make the film easy to position. Our advise is to use standard adhesive only for laminating machines or very very experienced people. For all else use this new Micro Suction Silicone Adhesive
Benefits
Please note : Mesh foil with Micro Suction Silicone adhesive has a thickness of 450 micron / 0.45 mm.
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Please note: the top layer can be affected by acids, for example from human skin. To protect the conductive layer, you can apply a transparent film or you can have the adhesive side facing out. Max. working temperature 60 ºC.
Small optical defects are expected to occur with this product. If you require a product that has absolutely no optical defects, please contact us for the “superior selected quality”. Do please realize that due to the extreme care needed to manufacture these products, they can be several times more expensive.
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