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Copper Bottom-Up Filling by Electroplating Without any Additives on Patterned Wafer
Cited 4 time in
Web of Science
Cited 3 time in Scopus
- Authors
- Issue Date
- 2006-12-13
- Publisher
- Electrochemical Society
- Citation
- Electrochemical and Solid state Letters, 10(2), D22-D24
- Abstract
- In conventional Cu electroplating, various additives are used to fill pattern without defects in patterned wafers. Pulse plating and
electrochemical oxidation were used to deposit Cu without any additives. Defects such as voids and seams were generated if only
pulse plating was carried out. Electrochemical oxidation was performed to remove Cu metal containing defects and to remain Cu
species only at the bottom part of the trenches. Then, defect free Cu films could be obtained when Cu electroplating without
additives was performed on the etched substrate.
- ISSN
- 1099-0062
- Language
- English
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