Boots – shoes – and leggings
Patent
1990-06-20
1992-12-22
Smith, Jerry
Boots, shoes, and leggings
252513, 252518, H01B 120
Patent
active
051738716
ABSTRACT:
A method of forming a composite material for EMI/EMP hardening protection at has a predictable EM shielding performance in terms of penetration depth is provided. A base material is doped with a predetermined volume fraction of filler particles such that the base material forms a separating contact region between each pair of adjacent filler particles. An electrical equivalent circuit for a filler particle pair and separating contact region is used to represent electrical properties associated with the filler particle pair and separating contact region. A network equivalent impedance of the base material doped with the filler particles is generated using the electrical equivalent circuit. The network equivalent impedance, dielectric constants of the base material and the filler particles, and the predetermined volume fraction of filler particles are used to predict the EM shielding performance of the base material doped with the filler particles in terms of penetration depth.
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Dixon David S.
Masi James V.
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
Smith Jerry
The United States of America as represented by the Secretary of
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