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Table 1 Relation between SET and the percentage of incident EM wave blocked by the shield material

From: The journey of polycarbonate-based composites towards suppressing electromagnetic radiation

SET value (in dB) − 10 −20 −30 −40 − 50 −60 −70
Transmitted power
\( {P}_T=\frac{P_I}{10^{\left(\frac{SE_T}{-10}\right)}} \)
10−1 PI 10−2 PI 10−3 PI 10−4 PI 10−5 PI 10−6 PI 10−7 PI
% Shielded power
\( \%{P}_S=\frac{\left({P}_I-{P}_T\right)}{P_I}\times 100 \)
90% 99% 99.9% 99.99% 99.999% 99.9999% 99.99999%