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Induction plasma tube

  • US 4,431,901 A
  • Filed: 07/02/1982
  • Issued: 02/14/1984
  • Est. Priority Date: 07/02/1982
  • Status: Expired due to Term
First Claim
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1. An induction plasma tube comprising an electrical induction coil having a central longitudinal axis, a tubular enclosure centered coaxially on said axis and located inside said coil, and a segmented metal radiation shield centered coaxially on said axis inside said enclosure, said shield consisting of a plurality of elongate fluid-cooled metal shield segments extending parallel to said axis, said segments being disposed in a circular arrangement adjacent the interior surface of said enclosure and being substantially equally spaced apart circumferentially such that said shield has a generally tubular configuration, and said shield segments being shaped in cross-section so as to occlude line-of-sight transmission of light through said radiation shield.

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