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EMI shielding measurements of conductive polymer blends

Colaneri, N.F. ; Schacklette, L.W.

IEEE transactions on instrumentation and measurement, 1992-04, Vol.41 (2), p.291-297 [Periódico revisado por pares]

NEW YORK: IEEE

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Título:
EMI shielding measurements of conductive polymer blends
Autor: Colaneri, N.F. ; Schacklette, L.W.
Assuntos: Active matrix organic light emitting diodes ; Applied sciences ; Conductivity measurement ; Dispersion ; Electromagnetic compatibility ; Electromagnetic interference ; Engineering ; Engineering, Electrical & Electronic ; Exact sciences and technology ; Fixtures ; Frequency ; Information, signal and communications theory ; Instruments & Instrumentation ; Polymers ; Science & Technology ; Technology ; Telecommunications and information theory ; Transmission line matrix methods ; Transmission line measurements ; Transmission line theory
É parte de: IEEE transactions on instrumentation and measurement, 1992-04, Vol.41 (2), p.291-297
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Shielding efficiencies for a number of blends containing a variety of conductive fillers, including intrinsically conductive polymers, have been measured in the near field with a dual-chamber box and in the far field with a transmission line fixture. Although all samples satisfied the classical good-conductor approximation, most of them exhibited a crossover from being electrically thin (thicknessskin depth) over the frequency range of interest, 1 MHz to 3 GHz. The theoretical relations for both near-field and far-field shielding which are prevalent in the literature do not accurately describe this region of crossover. The authors have derived expressions which describe the behavior accurately over the entire range of interest. Far-field shielding efficiencies as high as 70 dB at 1 GHz were measured for purely organic composites consisting of an intrinsically conductive polymer, polyaniline, dispersed in a thermoplastic matrix.
Editor: NEW YORK: IEEE
Idioma: Inglês

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EMI shielding measurements of conductive polymer blends

Colaneri, N.F. ; Schacklette, L.W.

NEW YORK: IEEE

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