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Transparent EMI/RFI-shielding foil
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- EMC windows, EMI displays & conductive transparent sheets
- Transparent EMI/RFI-shielding foil
Transparent shielding foil with specialty of one side conductive meanwhile optical transmittance, is widely used for applications of EL panel, LCD EMI shielding, touch screen, flexible solar cell etc.
Transparent EMI/RFI-shielding foil 9900 series is a polyester film with a transparent conductive coating. The foil provides excellent electric and electromagnetic shielding of 40 -70 dB at 10 kHz to 300 Mhz and 25-40 dB from 300 MHz to 22 Ghz.
In addition to EMI/RFI/EMC shielding, it is also used for grounding and static discharge applications. Typical applications are transparent shielding panels for visual displays in instrumentation equipment, control panels and computers.
Due to its transparency, Transparent EMI/RFI-shielding foil 9900 series is the optimal choice for optical clarity.
For TEMPEST sites or radar/telecom protection, large dimensions are available.
Contact us if you have a drawing of a specific shape you require.
Please note : These values are measured under laboratory conditions. Results may vary in other situations; please read our Guarantee.
Optional
- Standard transparent EMI-shielding foil
- Transparent EMI-shielding foil with silver busbar
- Transparent EMI-shielding foil with copper edges for grounding
Applications
- Shielding for windows/displays and resistive touchscreens.
Product properties
| Part number | 9900 5 Ohm | 9900 50 Ohm |
|---|---|---|
| Total thickness (micron) | 125 | 125 |
| Maximal roll width (mm) | 1220 | 1220 |
| Electrical resistance (ohms/sq.) | 5 | 50 |
| Visible light transmission (%Tvis) | 85 | 87.5 |
| Haze (%) | < 2.0% | < 2.0% |
| Coating adhesion (R/Ro) | 1.0 | 1.0 |
Mounting
A connection can be made between the conductive side of the Transparent EMI/RFI-shielding foil 9900 series and a conductive mounting surface of the construction with Shielded tape 3201 or it can be clamp mounted with Ultra soft shield 7400.
Sheet styles
| Sheet style #1STD | Sheet style #2BAR | Sheet style #3CAR |
|---|---|---|
| Standard transparent EMI-shielding foil. No extra contact edge. There is electrical conduction on the top side of the foil. |
Transparent EMI-shielding foil with silver busbar. | Transparent EMI-shielding foil with copper edges for grounding. |
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Micro Suction Silicone Adhesive
For easy manual application of the foil, we have developed a 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 Micro Suction Silicone Adhesive.
Benefits
- Reusable / Repositionable
- Never attach permanently
- Easily applied by hand, less bubbling
Please note: The 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 non-conductive side on top. Transparent protective foil containing Micro Absorbent Silicone adhesive has a thickness of 370 microns / 0.37 mm.
Looking for the highest optical quality in transparent EMI shielding? Discover our Transparent EMI shielding copper grid PET film