Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1997-05-21
2000-03-07
Speer, Timothy M.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428900, 428327, 252 6254, B32B 516
Patent
active
060337826
ABSTRACT:
A magnetodielectric composition is made of flakes of magnetic material dispersed in a binder at a concentration of about 30 to 60%. The flakes consist of a thin film of magnetic material or alternating thin film layers of magnetic material and insulating material. The flakes do not include a substrate. Consequently, the effective volume concentration of magnetic material in the composition is far greater than with other magnetodielectric materials. The binder is selected to provide a fluent composition for application like paint or a setable composition for formation of sheets and molded structural elements. In use, the composition is effective to reduce the size, weight and volume of electrical devices such as antennas, delay lines, phase shifters and other devices requiring interaction with and/or magnetic response to high frequency radiation.
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Duhl Michael L.
Hubbard Ronald N.
General Atomics
Speer Timothy M.
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