Shielding properties of conductive plastic housings loaded with printed circuit boards
Author
Lozano Guerrero, Antonio José; Robinson, Martin Paul; Díaz Morcillo, Alejandro Benedicto; Monzó Cabrera, Juan; Clemente Fernández, Francisco Javier; [et al.]Sponsors
This 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.Publication date
2012-11Publisher
Taylor and Francis Ltd.Bibliographic Citation
LOZANO GUERRERO, Antonio José et al. Shielding properties of conductive plastic housings loaded with printed circuit boards. Electromagnetics, 2012, 32 (8), 495-505 p. ISSN 0272-6343Keywords
Conductive plasticEnclosure
Printed circuit board
Radiated immunity
Shielding effectiveness
Abstract
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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