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Compound plasma configuration, and method and apparatus for generating a compound plasma configuration

  • US 6,477,216 B2
  • Filed: 03/25/1999
  • Issued: 11/05/2002
  • Est. Priority Date: 09/25/1995
  • Status: Expired due to Fees
First Claim
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1. A method for forming a compound plasma configuration, comprising:

  • driving an impulse current through a helical conductor, a gas, and an annular electrode thereby forming an annular plasma between an end of said helical conductor and said annular electrode;

    generating an axial magnetic field threading through said annular plasma while increasing said impulse current driven through said helical conductor and said annular electrode; and

    generating an azimuthal magnetic field around said axial magnetic field while further increasing said impulse current driven through said helical conductor and said annular electrode, said azimuthal magnetic field differentiating said annular plasma into a plasma sheath and a central plasma channel.

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