Abstract
The electromagnetic interference (EMI) became a major problem due to the continuous growth of electronic devices and the extensive application of these devices. The main objective of this paper is to study the multilayered composite shield in ordered to improve the electromagnetic shielding effectiveness (EMI SE) of several applications in near field. Metals are particularly suitable as shielding material against (EMI) due to their high conductivity, and magnetic permeability but presented the inconvenience of being heavy in weight. Here, we utilize the dielectric properties of Silicon (Si), Kapton (PI) and conducting fibre as Copper (Cu), Nickel (Ni), Carbon (C), Cobalt (Co) and Silver (Ag) in frequency range 1 to 10 GHz for evaluating EMI shielding effectiveness. The absorption, reflection, multiple internal reflection, and electromagnetic interference shielding effectiveness performances of these conducting composite were estimated theoretically in detail are in good agreement with previously experimental works, and all the proposed composites have the important advantages of being light weight and low cost.
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