Benefits of using conductive plastics in shielding configurations to reduce radiated electromagnetic interference
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AuthorRobinson, Martin Paul; Díaz Morcillo, Alejandro Benedicto; Balbastre Tejedor, Juan Vicente; Lozano Guerrero, Antonio José
Research GroupGrupo de Electromagnetismo y Materia (GEM)
Knowledge AreaTeoría de la Señal y las Comunicaciones
SponsorsThis work was funded by Fundación Séneca, Agencia Regional de Ciencia y Tecnología, through the project 00700/PPC/04 and partly done during a research stay funded by the “Programa de formación y movilidad del personal docente e investigador de la Universidad Politécnica de Cartagena (PMPDI-UPCT-2007)” at the Physical Layer Group, Department of Electronics, University of York.
PublisherJohn Wiley & Sons
Bibliographic CitationLOZANO GUERRERO, Antonio José, ROBINSON, Martin Paul, DÍAZ MORCILLO, Alejandro Benedicto, BALBASTRE TEJEDOR, Juan Vicente. Benefits of using conductive plastics in shielding configurations to reduce radiated electromagnetic interference. Microwave and Optical Technology Letters 52 (11): 2476-2480, Noviembre 2010. ISSN 0895-2477
Inmunidad a la radiación
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Conductive plastic cabinets have become an alternative to traditional metallic enclosures to shield electronic equipment from electromagnetic interference. These materials allow a wide range of conductivities that can satisfy any particular design. In this paper the benefits of using conductive plastics in enclosure configurations have been evaluated. A design with an outer metallic layer and an inner layer of conductive dielectric can provide advantages from both materials since a conductive plastic box is lighter and its shielding properties may have advantages over metallic materials. An optimum for resonance suppression has been obtained for the hybrid structure. These shielding structures have been evaluated with the help of measurements and simulations. Shielding effectiveness and Q-factor have been used to compare the capabilities of these enclosures with the metallic ones showing their benefits and possibilities. Resonance suppression and shielding levels provided by conductive ...
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