Resonant circuits
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United States of America Patent
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Aug 14, 2007
Grant Date -
Feb 12, 2004
app pub date -
Aug 7, 2003
filing date -
Feb 27, 1998
priority date (Note) -
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Abstract
A resonant circuit having a circuit coil formed on each surface of a dielectric film. Each coil has a line-width and an outer periphery in which the line-width of each circuit is 1/50 or more of the length of the outermost periphery of that circuit. Each coil has at least three complete turns, and the coils are provided on the faces of a dielectric film in such a manner that the coils are faced to each other.
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