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Anchoring, by lateral oxidizing, of patterns of a thin film to prevent the dewetting phenomenon
Anchoring, by lateral oxidizing, of patterns of a thin film to prevent the dewetting phenomenon
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机译:通过横向氧化固定薄膜的图案,以防止出现湿润现象
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摘要
The invention relates to a thin film having a thickness of less than 10 nm, made of oxidizable semi-conductor material and patterned in the form of patterns. To prevent the dewetting phenomenon of said patterns, lateral oxidized zones are arranged at the periphery of each pattern of the thin film so as to form an anchoring.;This anchoring can be achieved by forming an oxide layer over the whole of the thin film and then depositing a nitride layer. Then the nitride and oxide layers and the thin film are patterned and the thin film is laterally oxidized so that each pattern of the thin film comprises, at the periphery thereof, an oxidized zone of predetermined width. The nitride and oxide layers are then removed so as to release the patterns oxidized at their periphery.
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