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Low-impedance internal linear inductive antenna for large-area flat panel display plasma processing

Journal of Applied Physics, ISSN: 0021-8979, Vol: 97, Issue: 6
2005
  • 14
    Citations
  • 0
    Usage
  • 7
    Captures
  • 0
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Metrics Details

  • Citations
    14
    • Citation Indexes
      14
  • Captures
    7

Article Description

An internal-type linear inductive antenna, that is, a double-comb-type antenna, was developed for a large-area plasma source having the size of 1020 mm×830 mm, and high density plasmas on the order of 2.3× 1011 cm-3 were obtained with 15 mTorr Ar at 5000 W of inductive power with good plasma stability. This is higher than that for the conventional serpentine-type antenna, possibly due to the low impedance, resulting in high efficiency of power transfer for the double-comb antenna type. In addition, due to the remarkable reduction of the antenna length, a plasma uniformity of less than 8% was obtained within the substrate area of 880 mm×660 mm at 5000 W without having a standing-wave effect. © 2005 American Institute of Physics.

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