Nonvolatile semiconductor memory device
    1.
    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:US08653577B2

    公开(公告)日:2014-02-18

    申请号:US13003644

    申请日:2009-07-01

    IPC分类号: H01L29/788 H01L29/792

    摘要: A nonvolatile semiconductor memory device includes: a stacked body in which insulating films and electrode films are alternately stacked; selection gate electrodes provided on the stacked body; bit lines provided on the selection gate electrodes; semiconductor pillars; connective members separated from one another; and a charge storage layer provided between the electrode film and the semiconductor pillar. One of the connective members is connected between a lower part of one of the semiconductor pillars and a lower part of another of the semiconductor pillars. The one of the semiconductor pillars passes through one of the selection gate electrodes and is connected to one of the bit lines, and the another of the semiconductor pillars passes through another of the selection gate electrodes and is connected to another of the bit lines.

    摘要翻译: 非易失性半导体存储器件包括:绝缘膜和电极膜交替层叠的层叠体; 设置在层叠体上的选择栅电极; 设置在选择栅电极上的位线; 半导体柱 连接成员彼此分离; 以及设置在电极膜和半导体柱之间的电荷存储层。 一个连接构件连接在一个半导体柱的下部和另一个半导体柱的下部之间。 半导体柱中的一个穿过选择栅极之一并连接到一个位线,并且另一个半导体柱通过另一个选择栅电极并连接到另一个位线。

    Non-volatile semiconductor storage device having memory cells disposed three-dimensionally, and method of manufacturing the same
    5.
    发明授权
    Non-volatile semiconductor storage device having memory cells disposed three-dimensionally, and method of manufacturing the same 有权
    具有三维配置存储单元的非易失性半导体存储装置及其制造方法

    公开(公告)号:US08178917B2

    公开(公告)日:2012-05-15

    申请号:US12408249

    申请日:2009-03-20

    IPC分类号: H01L29/792

    摘要: A non-volatile semiconductor storage device includes a first layer and a second layer. The first layer includes: a plurality of first conductive layers extending in parallel to a substrate and laminated in a direction perpendicular to the substrate; a first insulation layer formed on an upper layer of the plurality of first conductive layers; a first semiconductor layer formed to penetrate the plurality of first conductive layers; and a charge accumulation layer formed between the first conductive layers and the first semiconductor layer. Respective ends of the first conductive layers are formed in a stepwise manner in relation to each other in a first direction. The second layer includes: a plurality of second conductive layers extending in parallel to the substrate and laminated in a direction perpendicular to the substrate, the second conductive layers being formed in the same layer as the plurality of first conductive layers; and a second insulation layer formed on an upper layer of the plurality of second conductive layers. Respective ends of the second conductive layers are formed to align along a straight line extending in a direction substantially perpendicular to the substrate at a predetermined area.

    摘要翻译: 非易失性半导体存储装置包括第一层和第二层。 第一层包括:多个第一导电层,其平行于衬底延伸并且在垂直于衬底的方向上层压; 形成在所述多个第一导电层的上层上的第一绝缘层; 形成为穿透所述多个第一导电层的第一半导体层; 以及形成在第一导电层和第一半导体层之间的电荷累积层。 第一导电层的相应端部在第一方向上相对于彼此以逐步的方式形成。 第二层包括:多个第二导电层,其平行于衬底延伸并且在垂直于衬底的方向上层叠,第二导电层形成在与多个第一导电层相同的层中; 以及形成在所述多个第二导电层的上层上的第二绝缘层。 形成第二导电层的相应端,沿着在预定区域上基本上垂直于衬底的方向延伸的直线对齐。

    Semiconductor memory device
    6.
    发明授权
    Semiconductor memory device 有权
    半导体存储器件

    公开(公告)号:US08089120B2

    公开(公告)日:2012-01-03

    申请号:US12562781

    申请日:2009-09-18

    CPC分类号: H01L27/11578 H01L27/11582

    摘要: A semiconductor memory device includes: a semiconductor substrate; a stacked body with a plurality of conductive layers and a plurality of dielectric layers alternately stacked, the stacked body being provided on the semiconductor substrate; a semiconductor layer provided inside a hole formed through the stacked body, the semiconductor layer extending in stacking direction of the conductive layers and the dielectric layers; and a charge storage layer provided between the conductive layers and the semiconductor layer. The stacked body in a memory cell array region including a plurality of memory strings is divided into a plurality of blocks by slits with an interlayer dielectric film buried therein, the memory string including as many memory cells series-connected in the stacking direction as the conductive layers, the memory cell including the conductive layer, the semiconductor layer, and the charge storage layer provided between the conductive layer and the semiconductor layer, and each of the block is surrounded by the slits formed in a closed pattern.

    摘要翻译: 半导体存储器件包括:半导体衬底; 具有交替堆叠的多个导电层和多个电介质层的层叠体,所述层叠体设置在所述半导体基板上; 设置在通过所述层叠体形成的孔内的半导体层,所述半导体层沿所述导电层和所述电介质层的堆叠方向延伸; 以及设置在导电层和半导体层之间的电荷存储层。 包含多个存储器串的存储单元阵列区域中的堆叠体被埋置在其中的层间电介质膜的狭缝分成多个块,该存储串包括在堆叠方向上串联连接的存储单元作为导电 存储单元包括导电层,半导体层和设置在导电层和半导体层之间的电荷存储层,并且每个块被形成为封闭图案的狭缝包围。

    METHOD FOR MANUFACTURING NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND NONVOLATILE SEMICONDUCTOR MEMORY DEVICE
    10.
    发明申请
    METHOD FOR MANUFACTURING NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND NONVOLATILE SEMICONDUCTOR MEMORY DEVICE 有权
    用于制造非易失性半导体存储器件和非易失性半导体存储器件的方法

    公开(公告)号:US20100224928A1

    公开(公告)日:2010-09-09

    申请号:US12714905

    申请日:2010-03-01

    IPC分类号: H01L29/792 H01L21/8239

    摘要: A method for manufacturing a nonvolatile semiconductor memory device, the device including a stacked structural unit including a plurality of insulating films alternately stacked with a plurality of electrode films in a first direction and a semiconductor pillar piercing the stacked structural unit in the first direction, the method includes: forming a stacked unit including a core material film alternately stacked with a sacrificial film on a major surface of a substrate perpendicular to the first direction; making a trench in the stacked unit, the trench extending in the first direction and a second direction in a plane perpendicular to the first direction; filling a filling material into the trench; removing the sacrificial film to form a hollow structural unit, the hollow structural unit including a post unit supporting the core material film on the substrate, the post unit being made of the filling material; and forming the stacked structural unit by stacking one of the insulating films and one of the electrode films on a surface of the core material film exposed by removing the sacrificial film.

    摘要翻译: 一种用于制造非易失性半导体存储器件的方法,该器件包括层叠结构单元,该堆叠结构单元包括在第一方向上交替堆叠多个电极膜的多个绝缘膜,以及沿第一方向穿透层叠结构单元的半导体柱, 方法包括:在垂直于第一方向的基板的主表面上形成包括交替堆叠有牺牲膜的芯材膜的堆叠单元; 在所述堆叠单元中形成沟槽,所述沟槽在垂直于所述第一方向的平面中沿所述第一方向延伸并且沿第二方向延伸; 将填充材料填充到沟槽中; 去除所述牺牲膜以形成中空结构单元,所述中空结构单元包括支撑所述芯材膜的柱单元,所述柱单元由所述填充材料制成; 以及通过将绝缘膜和其中一个电极膜层叠在通过去除牺牲膜而暴露的芯材膜的表面上来形成层叠结构单元。