Multi-layer antenna
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United States of America Patent
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Oct 1, 2019
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N/A
app pub date -
Aug 31, 2017
filing date -
Aug 31, 2017
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Abstract
A multi-layer antenna for near-field communications can have a first layer on a top surface of flexible circuit board and a second layer on a bottom surface of the flexible circuit board. The first layer and the second layer can be connected in series by a through connection in the flexible circuit board. The first layer can incorporate a single loop in the shape of a rectangle and the second layer can incorporate a single loop in the shape of a rectangle. The second layer of the antenna can be vertically aligned with the first layer of the antenna and can have current flow in the same direction as the first layer to provide for an increased magnetic flux from the antenna.
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