Artificial electromagnetic material
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United States of America Patent
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Dec 22, 2015
Grant Date -
Jun 20, 2013
app pub date -
Oct 27, 2011
filing date -
Jun 29, 2011
priority date (Note) -
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Abstract
An artificial electromagnetic material includes at least one material sheet. Each material sheet includes a substrate and a plurality of artificial microstructures attached to the substrate. Each substrate is virtually divided into multiple of substrate units arranged into an array. A pair of artificial microstructures is attached to each substrate. The pair of artificial microstructures includes a first artificial microstructure and a second artificial microstructure with different shapes. The dielectric constant of artificial electromagnetic materials gradually increases from zero in a certain frequency range, therefore the material has a low dielectric constant in the certain frequency range and can meet some needs of special situation.
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