Shielded Window Solutions TECHNICAL DATASHEET
■UVOX Ltd offers fully laminated RFI/EMC Shielded Windows that are bonded over the full size (screen) area. This is achieved by laying out the screen assembly in the correct required configuration interleaved with an adhesive interlayer material. When subjected to heat and pressure under carefully controlled conditions the result is in a fully bonded and sealed window. This strong construction has excellent physical properties and is very resistant to impact, shock and vibration. Fully laminated polycarbonate windows are exceptionally tough and suitable for the most demanding of applications. Glass, acrylic or polycarbonate may also be laminated using this method, which enhances the original material properties. It is also possible to laminate in special purpose contrast filters or tinted/coloured windows with materials.
■UVOX provide shielded windows based on glass, polycarbonate or acrylic or polyester coated with vacuum deposited thin films of Indium Tin Oxide (ITO) or Silver selected metals to your specifications. The films applied in this way are very thin and can have light transmissions of up to 80 – 90% mid-spectrum.
■Transparent conductive film coated substrates can then be laminated with other materials to improve the ruggedness and optical properties as required. The main advantage of these window types is that they allow the display to be viewed clearly without the minor distortion or ‘moiré fringing’ that can occur sometimes with mesh windows on certain display types. Mesh windows offer higher levels shielding performance and therefore ITO and AgHT 4 & 8 metal film windows are not suitable for all applications.
■Low impedance termination to a mating enclosure or panel is critical to the performance of a window. UVOX has a number of options depending on the end specification for the equipment. Electrically conductive adhesives can be used to directly bond a shielded window in place. Connections to the window are normally is made via a silver paint bus-bar around the perimeter of the window which makes contact with wire mesh or conductive film.
■Higher levels of mechanical and shielding performance can be achieved when the screen itself is bonded using a structural adhesive and then wire mesh is terminated directly to the mating enclosure or panel using various mechanical solutions or using a conductive adhesive. All shielded windows can be supplied set into a frame complete with gaskets, drilled holes or fasteners ready to install. Such assemblies can be designed for internal or external mounting.
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2022/11/22 |
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171 KB |
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