Method of producing a multi-turn coil from folded flexible circuitry
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United States of America Patent
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Jun 5, 2012
Grant Date -
Oct 2, 2008
app pub date -
Mar 28, 2008
filing date -
Mar 29, 2007
priority date (Note) -
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Abstract
A multi-turn coil device comprising a flexible circuit board and a plurality of serially electrically coupled coils coupled to both sides of the flexible circuit board. The coils are formed such that when the circuit board is folded in an accordion manner, the coils are substantially aligned and have the same direction of current flow. The coils are serially coupled sequentially from front to back and back to front wherein the coupling of the coils is through a plated through hole in the flexible circuit board.
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