发明名称 Method for forming DRAM cell
摘要 A method for forming a DRAM cell wherein a semiconductor substrate having an n<+> buried layer is etched to form a contact hole for storage electrode, and a MOS transistor of vertical structure having the n<+> buried layer as an impurity region is formed therein is disclosed.
申请公布号 US2004014329(A1) 申请公布日期 2004.01.22
申请号 US20030608145 申请日期 2003.06.30
申请人 SUH JAI BUM 发明人 SUH JAI BUM
分类号 H01L21/8242;H01L21/302;H01L21/461;H01L27/108;(IPC1-7):H01L21/302 主分类号 H01L21/8242
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