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发明名称
具有埋入式浮闸、尖头浮闸及尖头通道区之浮闸记忆体晶胞之半导体记忆体阵列
摘要
一种浮闸记忆体晶胞阵列,其中沟渠系形成于半导体基板的表面内。源极及汲极区域分别于沟渠下方,沿着基板的表面形成,在源极区域及汲极区域之间具有非线性通道区域。浮闸具有位在沟渠内的下部,以及位在基板上方的上部,且具有与基板表面平行延伸的侧向突出物。侧向突出物系藉由将一空穴蚀刻入牺牲层之暴露端内,并充填多晶矽所形成。控制闸系围绕着侧向突出物形成并与其绝缘。沟渠侧壁与基板表面以一锐角相接合,形成一指向浮闸且在与侧向突出物相对之方向上的尖锐边缘。
申请公布号
TW200502978
申请公布日期
2005.01.16
申请号
TW093103324
申请日期
2004.02.12
申请人
希里康储存技术公司
发明人
陈柏密;李达纳
分类号
G11C16/06
主分类号
G11C16/06
代理机构
代理人
恽轶群;陈文郎
主权项
地址
美国
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