发明名称
摘要 A semiconductor memory device is provided, including a substrate and storage nodes formed on the substrate from a silicon oxide layer, the layer having been substantially removed by wet etching the silicon oxide layer to a predetermined depth of the storage nodes and dry etching the remaining portion of the silicon oxide layer to expose the storage nodes.
申请公布号 KR100450679(B1) 申请公布日期 2004.10.01
申请号 KR20020043898 申请日期 2002.07.25
申请人 发明人
分类号 H01L27/04;H01L21/02;H01L21/302;H01L21/311;H01L21/336;H01L21/461;H01L21/8242 主分类号 H01L27/04
代理机构 代理人
主权项
地址