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Electromagnetic Interference Shielding Reaching 130 Db Using Flexible Graphite

Published online by Cambridge University Press:  10 February 2011

D.D.L. Chung Xiangcheng Luo
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, NY 14260–4400, U.S.A.
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Abstract

Electromagnetic interference (EMI) shielding effectiveness reaching 130 dB at 1 GHz was achieved by using flexible graphite (Grafoil). Due to the resilience of flexible graphite, it is particularly attractive as an EMI gasket. The high shielding effectiveness is due to the large specific surface area and large skin depth. In contrast, the shielding effectiveness was only 90 dB for polycrystalline graphite of low specific surface area.

Type
Research Article
Copyright
Copyright © Materials Research Society 1997

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