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Integration of materials removal and surface treatment in semiconductor device fabrication
Integration of materials removal and surface treatment in semiconductor device fabrication
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机译:半导体器件制造中的材料去除和表面处理的整合
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摘要
Processes for surface treatment of a workpiece are provided. In one example implementation, organic radicals (e.g., methyl CH3 radicals) can be generated by exciting and/or dissociating hydrogen and/or inert gas (e.g., Ar, He, etc) molecules in a remote plasma source and a subsequent reaction with organic molecule (alkanes and alkenes). The organic radicals (e.g., methyl CH3 radicals) can be exposed to the silicon and/or silicon germanium surfaces. After exposure to the organic radicals, the silicon and/or silicon germanium surfaces can be stable in air for a time period (e.g., days) with reduced surface oxidation such that the silicon and/or silicon germanium surfaces can be effectively protected from oxidation. As such, native surface oxide removal process before subsequent process steps can be eliminated.
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