Shielding Effectiveness Simulation of Brass-Iron Sandwich Films

Abstract:

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This paper presents a simulation method on shielding effectiveness(SE). The method is completely general and able to optimize shielding materials. We found a sandwich structure that it can efficiently shield plane wave, using this simulation method. The relationship of film thickness and its skin depth was investigated in this study. Two-dimensional curves and three-dimensional graphs were calculated by tri-layer SE formulas. A sandwich structure, which is 3μm iron-brass-iron films, is capable of excellent shielding properties: the SE is between -73dB and -100dB in the frequency range of 1MHz~10MHz. Another sandwich structure with 12μm thickness of brass-iron-brass films can offer -680dB shielding attenuation. Simulation experiments indicate that sandwich films with diamagnetic and ferromagnetic layers have outstanding contribution on SE.

Info:

Periodical:

Solid State Phenomena (Volumes 124-126)

Edited by:

Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park

Pages:

1613-1616

DOI:

10.4028/www.scientific.net/SSP.124-126.1613

Citation:

X. N. Zhang and Q. Wang, "Shielding Effectiveness Simulation of Brass-Iron Sandwich Films", Solid State Phenomena, Vols. 124-126, pp. 1613-1616, 2007

Online since:

June 2007

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Price:

$35.00

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