SPHERICAL RESONATOR FREQUENCY SELECTIVE SURFACE
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Sep 20, 2013
filing date -
Sep 20, 2013
priority date (Note) -
Abandoned
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Abstract
A frequency selective surface includes resonators (104) which are spherically shaped and have an arrangement which defines a periodic array (103) of rows (112) and columns (114). The periodic array extends in at least two orthogonal directions. A registration structure (602) is provided and arranged so that it at least partially maintains a position of each of the resonators in a predetermined spatial relationship with respect to adjacent ones of the plurality of resonators to define the array. Each of the resonators is formed of a conductive material and is electrically insulated from adjacent ones of the resonators forming the array by an insulator material.
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