发明授权
US07427556B2 Method to planarize and reduce defect density of silicon germanium 有权
平面化和降低硅锗缺陷密度的方法

Method to planarize and reduce defect density of silicon germanium
摘要:
A method for blanket depositing a SiGe film comprises intermixing a silicon source, a germanium source and an etchant to form a gaseous precursor mixture. The method further comprises flowing the gaseous precursor mixture over a substrate under chemical vapor deposition conditions to deposit a blanket layer of epitaxial SiGe onto the substrate, whether patterned or un-patterned.
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