Title :
Plane wave shielding effectiveness of conductive polymer films
Author :
Chen, Chong ; Naishadham, Krishna
Author_Institution :
Dept. of Electr. Eng., Kentucky Univ., Lexington, KY, USA
Abstract :
A new material, the conductive polymer poly-p-phenylene-benzobis-thiazole (PBT) doped by ion-implantation with iodine, was studied for its possible utilization as a microwave shield. The conductivity of the polymer was measured at a frequency of 10 GHz by the cavity perturbation technique. Layered-media electromagnetic theory was applied to compute the overall reflection and transmission coefficients of the polymer, modeled by contiguous planar layers of doped and undoped constituents. The field transmitted through the polymer was observed to have a small amplitude over the microwave frequency range of 2 GHz to 10 GHz, indicating potential usefulness of the polymer as an electromagnetic interference (EMI) shield in an environment containing high-data-rate electronics, such as supercomputers
Keywords :
conducting polymers; electrical conductivity measurement; electromagnetic interference; ion implantation; magnetic shielding; polymer films; 2 to 10 GHz; EMI shield; I; PBT; SHF; cavity perturbation technique; conductive polymer films; conductivity measurement; contiguous planar layers; doped polymer; electromagnetic interference; ion-implantation; layered media EM theory; microwave shield; plane wave shielding effectiveness; poly-p-phenylene-benzobis-thiazole; reflection coefficient; supercomputers; transmission coefficients; Conducting materials; Conductivity measurement; Electromagnetic interference; Electromagnetic measurements; Electromagnetic modeling; Electromagnetic reflection; Electromagnetic shielding; Frequency measurement; Perturbation methods; Polymer films;
Conference_Titel :
Southeastcon '90. Proceedings., IEEE
Conference_Location :
New Orleans, LA
DOI :
10.1109/SECON.1990.117765
