发明授权
- 专利标题: Semiconductor memory device
- 专利标题(中): 半导体存储器件
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申请号: US11869160申请日: 2007-10-09
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公开(公告)号: US07636256B2公开(公告)日: 2009-12-22
- 发明人: Kenji Gomikawa , Kenji Sawamura , Mitsuhiro Noguchi
- 申请人: Kenji Gomikawa , Kenji Sawamura , Mitsuhiro Noguchi
- 申请人地址: JP Tokyo
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JP Tokyo
- 代理机构: Turocy & Watson, LLP
- 优先权: JP2006-276980 20061010
- 主分类号: G11C16/00
- IPC分类号: G11C16/00
摘要:
A semiconductor memory device includes a memory cell string provided on a semiconductor substrate, and a first select transistor including a gate insulation film, which is provided on the semiconductor substrate having a recess structure which is lower, only at a central portion thereof, than the semiconductor substrate on which the memory cell string is provided, and a gate electrode provided on the gate insulation film, the first select transistor selecting the memory cell string.
公开/授权文献
- US20090003070A1 SEMICONDUCTOR MEMORY DEVICE 公开/授权日:2009-01-01
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