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半导体学报 2002
Breakdown Protection Characteristics for F and N Implanted Ultra-Thin Gate Oxide
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Abstract:
The breakdown protection characteristics of fluorination and nitrification implanted ultra thin gate oxide are investigated.The experimental data show that F ions or N ions introduced into thermal SiO 2 oxide can improved its breakdown characteristics.F ions or N ions can decrease the oxide charges and interface states induced by process.The breakdown protection characteristics of the nitrification implanted thin gate oxide is better than the fluorination thin gate oxide.