Absolute argon excited-state population
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P. Lipka; S. Mensah; M.H. Gordon; D. Bhat
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Article
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2007
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Elsevier Science
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English
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An inverted cylindrical magnetron sputtering system operating at 6.5 kW, 85 sccm argon, and 0.27 Pa was used to produce a mid-frequency AC (40 kHz) Al-Ar plasma. Optical emission spectroscopy was used to monitor the plasma emission from 680 nm to 830 nm. Absolute calibration of the emission data was