一种可扩展的堆叠栅NOR/NAND闪存技术,兼容45纳米以下的高k栅极和金属栅极

J. de Vos, L. Haspeslagh, M. Demand, K. Devriendt, D. Wellekens, S. Beckx, J. V. Houdt
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引用次数: 10

摘要

本文提出了一种可扩展的自对准浮栅叠加栅技术。它可以用于NOR和NAND闪存架构。通过引入高k材料的内插电介质(IPD),可以使用平面结构,从而允许更密集的结构。还表明,存储单元的平面结构有利于引入金属栅极。本文成功地集成了110nm具有高k IPD和TiN金属栅极的堆叠栅极晶体管
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A scalable Stacked Gate NOR/NAND Flash Technology compatible with high-k and metal gates for sub 45nm generations
In this paper a scalable stacked gate technology with self-aligned floating gate (FG) is presented. It can be used for both NOR and NAND flash architectures. By introducing high-k materials for the interpoly dielectric (IPD) a planar structure can be used, which allows a much denser structure. It is also shown that the planar structure of the memory cell facilitates the introduction of metal gates. The successful integration of a 110nm stacked gate transistor with high-k IPD and TiN metal gate is illustrated
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