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Polymer Film Can Limit Electromagnetic Interference

Engineers at the University of California-Riverside have developed a film incorporating a nanomaterial filler that reportedly provides an effective shield against electromagnetic interference.

According to an article posted in February to the website of Engineering and Technology (E&T), the film developed by the engineering team consists of composites synthesized with one-dimensional van der Waals materials, which “exfoliate” into needle-like structures. Testing showed that the resulting composite film provides “exceptional” shielding against electromagnetic radiation in the GHz and sub-THz frequency ranges.

Equally important, the chemical process used to produce the film can reportedly be quickly scaled for mass production of these materials.

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Antenna Factor and Gain Calculations

Antenna Factor and Gain metrics provide crucial insights into antenna performance, allowing engineers to calculate signal strength relationships and directional effectiveness. These measurements help optimize RF systems by comparing actual antenna behavior to theoretical isotropic radiators using standardized 50-ohm configurations.

Read the E&T article discussing the promise of nanowire-filled film in reducing electromagnetic interference.

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