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PLASMA PROCESSING APPARATUS

  • US 20140251541A1
  • Filed: 03/07/2014
  • Published: 09/11/2014
  • Est. Priority Date: 03/08/2013
  • Status: Abandoned Application
First Claim
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1. A plasma processing apparatus comprising:

  • a processing container having a cylindrical columnar shape centering around a predetermined axis and defining a processing space therein;

    a plurality of columnar dielectric bodies installed at a top side of the processing space;

    a microwave generator configured to generate microwaves;

    a waveguide unit configured to connect the microwave generator and the plurality of columnar dielectric bodies; and

    a stage installed within the processing container to intersect with the predetermined axis,wherein the plurality of columnar dielectric bodies are arranged at predetermined intervals along a circumferential direction around the predetermined axis within the processing space, andthe waveguide unit branches microwaves input from the microwave generator and supplies the branched microwaves to the plurality of columnar dielectric bodies.

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