Shielding properties of conductive plastic housings loaded with printed circuit boards
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AuthorLozano Guerrero, Antonio José; Robinson, Martin Paul; Díaz Morcillo, Alejandro Benedicto; Monzó Cabrera, Juan; Clemente Fernández, Francisco Javier; [et al.]
SponsorsThis work was done partly during a research stay funded by the “Programa de formación y movilidad del personal docente e investigador de la Universidad Shielding Properties of Conductive Plastic Housings with PCBs 10 Politécnica de Cartagena (PMPDI-UPCT-2007)” at the Physical Layer Group, Department of Electronics, The University of York.
PublisherTaylor and Francis Ltd.
Bibliographic CitationLOZANO GUERRERO, Antonio José et al. Shielding properties of conductive plastic housings loaded with printed circuit boards. Electromagnetics, 2012, 32 (8), 495-505 p. ISSN 0272-6343
Printed circuit board
In this paper the benefits of using conductive plastics in enclosure configurations have been evaluated taking into account the influence of internal printed circuit boards. Conductive plastic enclosures are a very attractive alternative to traditional metallic enclosures to protect electronic systems against electromagnetic interference. A wide range of conductivities can be obtained with these materials to satisfy a required design. An equivalent model for the printed circuit board has been used to evaluate the effects of radiated interference upon electronic equipment under two orientations. The possibilities and drawbacks of this equivalent model are also discussed. Two different designs with these materials have been studied to analyse the advantages derived from its use with the help of measurements and simulations. Shielding effectiveness and Q-factor have been used to compare the shielding properties of these enclosures with similarly sized metallic ones, taking into account ...
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