Surface reactions of copper films in O2/
β
D. D. Coolbaugh; L. J. Matienzo; F. D. Egitto; A. R. Knoll
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Article
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1990
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John Wiley and Sons
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English
β 474 KB
## Abstract Copper surfaces treated with O~2~/CF~4~ and O~2~/CF~4~/N~2~ plasmas have been characterized using xβray photoelectron and Auger electron spectroscopy. Deeper oxidation and fluorination result for oxygenβrich mixtures than for CF~4~βrich gas feeds. Film thicknesses increase with time of