发明名称 MANUFACTURING METHOD OF DYNAMIC RANDOM ACCESS MEMORY
摘要 A dynamic random access memory (DRAM) is provided. The dynamic random access memory includes a deep trench capacitor disposed in a first trench of a substrate, a conductive layer disposed in a second trench of the substrate, a gate structure, and a conductive layer disposed on the surface of the substrate at two sides of the gate structure. The depth of the second trench is smaller than the depth of the first trench, and the second trench partially overlaps with the first trench. The conductive layer disposed in the second trench is electrically connected with the conductive layer of the deep trench capacitor. The gate structure is disposed on the substrate. The conductive layer at one side of the gate structure is electrically connected with the conductive layer disposed in the second trench.
申请公布号 US2008233706(A1) 申请公布日期 2008.09.25
申请号 US20080111980 申请日期 2008.04.30
申请人 PROMOS TECHNOLOGIES INC. 发明人 CHOU JIH-WEN;CHEN YU-CHI
分类号 H01L21/8242 主分类号 H01L21/8242
代理机构 代理人
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