| 摘要 |
The present invention pertains to methods for removing unwanted material from a semiconductor wafer during wafer manufacturing. More specifically, the invention pertains to stripping photo-resist material and removing etch-related residues from a semiconductor wafer. Methods involve implementing a plasma operation using hydrogen and a weak oxidizing agent, such as carbon dioxide. The invention is effective at stripping photo-resist and removing residues from low-k dielectric material used in Damascene devices.
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