Characteristics of inductively coupled plasma using internal double comb-type antenna for flat panel display processing

  • Jong Hyeuk Lim
  • , Kyong Nam Kim
  • , Jung Kyun Park
  • , Jae Hun Park
  • , Geun Young Yeom

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This study examined the electrical and plasma properties of an internal linear inductive antenna for flat panel display processing. An internal linear antenna, which is referred to as a "double comb-type antenna", with a substrate area of 2,300 × 2,000 mm2 was used as a large-area inductively coupled plasma (ICP) source. This extremely large area ICP source showed a transition from E-mode to H-mode near 3kW. At 9kW, a power transfer efficiency of approximately 81% was obtained. The plasma uniformity measured by a Langmuir probe was approximately 14% over the substrate area at 15 mTorr Ar and 5 kW of RF power.

Original languageEnglish
Pages (from-to)L1216-L1218
JournalJapanese Journal of Applied Physics
Volume46
Issue number45-49
DOIs
StatePublished - 14 Dec 2007

Keywords

  • Flat panel display
  • Inductively coupled plasma
  • Large area plasma
  • Low impedance
  • Uniformity

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