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发明名称
用于制造具有圆柱型储存节点之半导体记忆装置之方法
摘要
本发明揭示一种制造半导体记忆装置的方法,其可避免在用作一储存节点之单一金属层上,因一针孔或一裂缝造成储仓缺陷。本方法包括以下步骤:在一基板上形成复数个储存节点插塞;形成具有复数个开口的绝缘层,该等开口曝露位在该基板上该复数个储存节点插塞的表面;在同类型的导电层之间形成一不同类型导电层之结构内,在该复数个开口里形成复数个圆柱型储存节点;选择性地移除绝缘层;在该复数个圆柱型储存节点上形成一介电层;以及在该介电层上形成一板电极。
申请公布号
TW200623337
申请公布日期
2006.07.01
申请号
TW094119314
申请日期
2005.06.10
申请人
海力士半导体股份有限公司
发明人
黄义晟
分类号
H01L21/8242;H01L21/70
主分类号
H01L21/8242
代理机构
代理人
陈长文
主权项
地址
韩国
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