Operation of NX2 Dense Plasma Focus Device With Argon Filling as a Possible Radiation Source for Micro-Machining.................................... VA Gribkov, A. Srivastava, PLC Keat, V. Kudryashov, and S. Lee 1331 Modeling of the Air Plasma Near the Tip of the Positive Leader.............. F. Vidal, I. Gallimberti, FAM Rizk, TW Johnston, A. Bondiou-Clergerie, D. Comtois, JC Kieffer, B. La Fontaine, HP Mercure, and H. Ppin 1339 Plasma Coupling and Near Field of a Modular Recessed ICRF Antenna........ JA Heikkinen and KM Rantamki 1350 Academic Article