Electromagnetic window
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United States of America Patent
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May 24, 2005
Grant Date -
Feb 20, 2003
app pub date -
Aug 13, 2002
filing date -
Aug 17, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ad device substantially transparent to electromagnetic radiation of a certain frequency band is presented. The device comprises at least one dielectric structure of a predetermined thickness defined by the central frequency of the operational frequency band of the device, and comprises a predetermined substantially periodic inner pattern inside the dielectric structure composed of a two-dimensional array of substantially identical sub-resonant capacitive elements made of an electrically conducting material and capable of scattering said electromagnetic radiation arranged in a disconnected from each other spaced-apart relationship.
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