期刊
ELECTROCHEMICAL AND SOLID STATE LETTERS
卷 8, 期 7, 页码 G176-G178出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.1928227
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During Ru etch with oxygen-based plasma, strong emission lines have been observed in the region of 340-390 nm with the most prominent peak at 373 nm. These are attributed to the emission of neutral Ru. We have shown that the emission can be used for end-point detection for Ru patterning by plasma etch as well as for highly sensitive in situ monitoring of the etch chamber cleaning after Ru processing. (c) 2005 The Electrochemical Society.
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