We like to have a good Radio Field Transmission and a good ESD shielding polymer material. This are 2 effects . The good ESD shielding effect is negative for the Radio Field Transmission and the good Radio Field Transmission is negative for the ESD shielding effect.
How we can solve the apparent contradiction ?
Since it is so hot I have to add questions: What is the distance to the sender? You probably have to dye one dead: Use a thin (PVD) silver layer, which does the ESD shielding (but not the magnetic field (in the near range) or use an ITO layer (indium tin oxide) which is somewhere in between), but it has to be case optimized!
Dear Johannes.
the distance is about 5 m . We have not the Chance to use thin layers.
Only bulk polymermaterial with powder.
All the best
Frank
Dear Frank, I can describe only my general experience. According to it carbon-based polymer composites (carbon black, carbon fiber) are reliable in removing ESD charges (exhibiting semiconductive values) but are realtively poor shielding materials (20-30 dB at most).
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