Abstract
A preliminary study of the electromagnetic shielding effectiveness (EMSE) using metal coating films and a vacuum evaporation deposition technique with the woven fabrics made of metal/PET filaments is presented. Using coaxial transmission equipment, the EMSE of these films and fabrics was measured in the frequency range 2250—2650 MHz. The experimental results indicate that different coating materials have different EMSE, with a thicker coating film having a higher EMSE. In addition, a woven fabric with lower aperture ratio made from metal/polyethylene terephthalate (PET) filaments has higher EMSE, and the electromagnetic shielding of polarized electromagnetic waves possesses orientation effects. The paper provides theoretical guidance for designing flexible electromagnetic shielding products.
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