发明名称 |
Deep trench dram process on SOI for low leakage DRAM cell |
摘要 |
A deep trench DRAM cell is formed on a silicon on isolator (SOI) substrate, with a buried strap formed by outdiffusion of dopant in associated trench node material, for providing an electrical connection between the trench node and the active area of a MOS transfer gate formed in the substrate adjacent the trench in an uppermost portion of the substrate.
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申请公布号 |
US5627092(A) |
申请公布日期 |
1997.05.06 |
申请号 |
US19940313507 |
申请日期 |
1994.09.26 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
ALSMEIER, JOHANN;STENGL, REINHARD J. |
分类号 |
H01L21/8242;H01L27/108;H01L27/12;H01L29/786;(IPC1-7):H01L21/70;H01L27/00 |
主分类号 |
H01L21/8242 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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