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Plasma generator using spiral conductors

  • US 9,497,846 B2
  • Filed: 10/22/2014
  • Issued: 11/15/2016
  • Est. Priority Date: 10/24/2013
  • Status: Active Grant
First Claim
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1. A plasma generator, comprising:

  • a first electrical conductor having first and second ends, said first electrical conductor shaped to form a first spiral between said first and second ends thereof, said first spiral lying in a first plane, said first spiral having a geometric center, said first electrical conductor so-shaped having inductance and capacitance wherein, in the presence of a time-varying electromagnetic field, said first electrical conductor so-shaped resonates to generate a harmonic electromagnetic field response;

    a second electrical conductor having first and second ends, said second electrical conductor shaped to form a second spiral between said first and second ends thereof, said second spiral being identical to said first spiral and lying in a second plane parallel to said first plane, said second spiral having a geometric center, said second electrical conductor so-shaped having inductance and capacitance wherein, in the presence of a time-varying electromagnetic field, said second electrical conductor so-shaped resonates to generate a harmonic electromagnetic field response;

    said first spiral and said second spiral partially overlapping one another in a direction perpendicular to said first plane and said second plane;

    said geometric center of said first spiral and said geometric center of said second spiral defining endpoints of a line, wherein said line is non-perpendicular with respect to said first plane and said second plane;

    dielectric material disposed between said first electrical conductor and said second electrical conductor; and

    a voltage source coupled across said first electrical conductor and said second electrical conductor for applying a voltage sufficient to generate a plasma in at least a portion of said dielectric material.

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