发明名称 SEMICONDUCTOR MEMORY DEVICE
摘要 A semiconductor memory device includes a bit line, an active region formed in a semiconductor substrate, a plug formed on the active region and connecting the bit line to the active region, a memory cell which includes a first gate insulating film on the active region, a charge storage layer on the first gate insulating film, a first insulating film on the charge storage layer, and a control gate electrode on the first insulating film, a select transistor formed between the plug and the memory cell on the active region and including a second gate insulating film on the active region, a first electrode layer on the second gate insulating film, a second insulating film on the first electrode layer, and a second electrode layer on the second insulating film, and a wiring formed above the active region between the plug and the second electrode layer of the select transistor.
申请公布号 US2014291748(A1) 申请公布日期 2014.10.02
申请号 US201314016183 申请日期 2013.09.02
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 KANDA Kazushige
分类号 H01L27/115 主分类号 H01L27/115
代理机构 代理人
主权项 1. A semiconductor memory device comprising: a bit line; an active region formed in a semiconductor substrate; a plug formed on the active region and connecting the bit line to the active region; a memory cell which includes a first gate insulating film on the active region, a charge storage layer on the first gate insulating film, a first insulating film on the charge storage layer, and a control gate electrode on the first insulating film; a select transistor formed between the plug and the memory cell on the active region and including a second gate insulating film on the active region, a first electrode layer on the second gate insulating film, a second insulating film on the first electrode layer, and a second electrode layer on the second insulating film; and a wiring formed above the active region between the plug and the second electrode layer of the select transistor.
地址 Tokyo JP