MEMORY SYSTEM, SEMICONDUCTOR MEMORY DEVICE AND METHOD OF DRIVING SAME
    92.
    发明申请
    MEMORY SYSTEM, SEMICONDUCTOR MEMORY DEVICE AND METHOD OF DRIVING SAME 有权
    存储器系统,半导体存储器件及其驱动方法

    公开(公告)号:US20080180994A1

    公开(公告)日:2008-07-31

    申请号:US11955900

    申请日:2007-12-13

    IPC分类号: G11C11/34 H01L29/76 G11C8/00

    摘要: A semiconductor memory device has a semiconductor substrate, first select transistors formed on the surface of said semiconductor substrate, first dummy transistors formed above said first select transistors, a plurality of memory cell transistors formed above said first dummy transistors so as to extend in a direction perpendicular to the surface of said semiconductor substrate, each of said memory cell transistor including an insulating layer having a charge-accumulating function, second dummy transistors formed above said memory cell transistors, and second select transistors formed above said second dummy transistors; wherein a first potential is provided to the gate electrodes of said first select transistors and the gate electrodes of said first dummy transistors and a second potential is provided to the gate electrodes of said second select transistors and the gate electrodes of said second dummy transistors at the time of write operation to write data to said memory cell transistors.

    摘要翻译: 半导体存储器件具有半导体衬底,形成在所述半导体衬底的表面上的第一选择晶体管,形成在所述第一选择晶体管上方的第一虚拟晶体管,形成在所述第一虚拟晶体管上方的多个存储单元晶体管, 垂直于所述半导体衬底的表面,每个所述存储单元晶体管包括具有电荷累积功能的绝缘层,形成在所述存储单元晶体管上方的第二虚拟晶体管以及形成在所述第二虚设晶体管上方的第二选择晶体管; 其中第一电位被提供给所述第一选择晶体管的栅电极和所述第一虚拟晶体管的栅电极,并且第二电位被提供给所述第二选择晶体管的栅极和所述第二虚设晶体管的栅电极 写入操作的时间将数据写入到所述存储单元晶体管。

    Nonvolatile semiconductor memory device and manufacturing method thereof
    93.
    发明申请
    Nonvolatile semiconductor memory device and manufacturing method thereof 有权
    非易失性半导体存储器件及其制造方法

    公开(公告)号:US20070252201A1

    公开(公告)日:2007-11-01

    申请号:US11654551

    申请日:2007-01-18

    IPC分类号: H01L29/76

    摘要: A nonvolatile semiconductor memory device that have a new structure are provided, in which memory cells are laminated in a three dimensional state so that the chip area may be reduced. The nonvolatile semiconductor memory device of the present invention is a nonvolatile semiconductor memory device that has a plurality of the memory strings, in which a plurality of electrically programmable memory cells is connected in series. The memory strings comprise a pillar shaped semiconductor; a first insulation film formed around the pillar shaped semiconductor; a charge storage layer formed around the first insulation film; the second insulation film formed around the charge storage layer; and first or nth electrodes formed around the second insulation film (n is natural number more than 1). The first or nth electrodes of the memory strings and the other first or nth electrodes of the memory strings are respectively the first or nth conductor layers that are spread in a two dimensional state.

    摘要翻译: 提供了具有新结构的非易失性半导体存储器件,其中以三维状态层叠存储单元,从而可以减小芯片面积。 本发明的非易失性半导体存储装置是具有串联连接有多个电可编程存储单元的多个存储串的非易失性半导体存储装置。 存储器串包括柱形半导体; 形成在柱状半导体周围的第一绝缘膜; 形成在所述第一绝缘膜周围的电荷存储层; 形成在电荷存储层周围的第二绝缘膜; 并且形成在第二绝缘膜周围的第一或第n电极(n是大于1的自然数)。 存储器串的第一或第n电极和存储器串的其它第一或第n电极分别是以二维状态扩展的第一或第n导体层。

    Nonvolatile semiconductor memory device
    94.
    发明授权
    Nonvolatile semiconductor memory device 有权
    非易失性半导体存储器件

    公开(公告)号:US08350326B2

    公开(公告)日:2013-01-08

    申请号:US12839895

    申请日:2010-07-20

    IPC分类号: H01L29/792

    摘要: According to one embodiment, a nonvolatile semiconductor memory device includes first and second stacked structural bodies, first and second semiconductor pillars, a memory unit connection portion, a selection unit stacked structural body, first and second selection unit semiconductor pillars, a selection unit connection portion, and first to fifth interconnections. The semiconductor pillars pierce the stacked structural bodies. The first and second interconnections are connected to the first and second semiconductor pillars, respectively. The memory unit connection portion connects the first and second semiconductor pillars. The selection unit semiconductor pillars pierce the selection unit stacked structural body. The third and fourth interconnections are connected to the first and second selection unit semiconductor pillars, respectively. The selection unit connection portion connects the first and second selection unit semiconductor pillars. The fifth interconnection is connected to the third interconnection on a side opposite to the selection unit stacked structural body.

    摘要翻译: 根据一个实施例,非易失性半导体存储器件包括第一和第二堆叠结构体,第一和第二半导体柱,存储单元连接部分,选择单元堆叠结构体,第一和第二选择单元半导体柱,选择单元连接部分 ,以及第一至第五互连。 半导体支柱刺穿堆叠的结构体。 第一和第二互连分别连接到第一和第二半导体柱。 存储单元连接部连接第一和第二半导体柱。 选择单元半导体柱刺穿选择单元堆叠结构体。 第三和第四互连分别连接到第一和第二选择单元半导体柱。 选择单元连接部分连接第一和第二选择单元半导体柱。 第五互连在与选择单元堆叠结构体相反的一侧连接到第三互连。