S. Giancaterina, J. Rebrasse, B. Lecohier, O. Keller, M. Martinetti, S. Rounds
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引用次数: 0
摘要
栅极氧化是闪存制造过程中最关键的氧化步骤。生长高质量的栅极氧化物需要无污染物的表面。R8意法半导体生产厂强调了氧化物质量与抗蚀剂去除技术之间的相关性,并将Axcelis fusion mini ES asher的结果与全湿法技术的结果进行了比较。
Investigation of gate oxide quality as a function of downstream plasma exposure during flash memory fabrication
Gate oxide is the most critical oxidation step in the flash memory fabrication sequence. Surfaces free of contaminants are required to grow high quality gate oxides. A correlation between oxide quality and resist removal techniques has been highlighted at the R8 STMicroelectronics production fab, comparing Axcelis FusionGemini ES asher results with those of full wet techniques.