Nonvolatile semiconductor memory device having a resistance variable layer and manufacturing method thereof
    1.
    发明授权
    Nonvolatile semiconductor memory device having a resistance variable layer and manufacturing method thereof 有权
    具有电阻变化层的非易失性半导体存储器件及其制造方法

    公开(公告)号:US08344345B2

    公开(公告)日:2013-01-01

    申请号:US12810667

    申请日:2008-12-26

    IPC分类号: H01L29/02

    摘要: A first wire layer (19) including first memory wires (12) is connected to a second wire layer (20) including second memory wires (17) via first contacts (21) penetrating a first interlayer insulating layer (13). The first wire layer (13) is connected to and led out to upper wires (22) via second contacts (26) connected to the second wire layer (20) and penetrating the second interlayer insulating layer (18). The first contacts (21) penetrate semiconductor layer (17b) or insulator layer (17c) of the second wire layer (20).

    摘要翻译: 包括第一存储器线(12)的第一布线层(19)通过穿过第一层间绝缘层(13)的第一触点(21)连接到包括第二存储器布线(17)的第二布线层(20)。 第一导线层(13)经由连接到第二导线层(20)并穿过第二层间绝缘层(18)的第二触点(26)连接并引出到上导线(22)。 第一触点(21)穿透第二导线层(20)的半导体层(17b)或绝缘体层(17c)。

    Nonvolatile semiconductor memory device and manufacturing method thereof
    2.
    发明授权
    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:US08389990B2

    公开(公告)日:2013-03-05

    申请号:US13485203

    申请日:2012-05-31

    IPC分类号: H01L29/10

    CPC分类号: H01L27/24 H01L27/1021

    摘要: A nonvolatile semiconductor memory device of the present invention includes a substrate (1), first wires (2), memory cells each including a resistance variable element (5) and a portion of a diode element (6), second wires (11) which respectively cross the first wires (2) to be perpendicular to the first wires (2) and each of which contains a remaining portion of the diode element (6), and upper wires (13) formed via an interlayer insulating layer (12), respectively, and the first wires (2) are connected to the upper wires (13) via first contacts (14), respectively, and the second wires (11) are connected to the upper wires (13) via second contacts (15), respectively.

    摘要翻译: 本发明的非易失性半导体存储器件包括基板(1),第一布线(2),各自包括电阻可变元件(5)和二极管元件(6)的一部分的存储单元,第二布线(11) 分别与第一布线(2)垂直的第一布线(2),并且每个布线包含二极管元件(6)的剩余部分,以及经由层间绝缘层(12)形成的上部布线(13) 并且第一导线(2)分别经由第一触头(14)连接到上导线(13),并且第二导线(11)经由第二触点(15)连接到上导线(13) 分别。

    NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD THEREOF
    3.
    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:US20120298945A1

    公开(公告)日:2012-11-29

    申请号:US13485203

    申请日:2012-05-31

    IPC分类号: H01L45/00

    CPC分类号: H01L27/24 H01L27/1021

    摘要: A nonvolatile semiconductor memory device of the present invention includes a substrate (1), first wires (2), memory cells each including a resistance variable element (5) and a portion of a diode element (6), second wires (11) which respectively cross the first wires (2) to be perpendicular to the first wires (2) and each of which contains a remaining portion of the diode element (6), and upper wires (13) formed via an interlayer insulating layer (12), respectively, and the first wires (2) are connected to the upper wires (13) via first contacts (14), respectively, and the second wires (11) are connected to the upper wires (13) via second contacts (15), respectively.

    摘要翻译: 本发明的非易失性半导体存储器件包括基板(1),第一布线(2),各自包括电阻可变元件(5)和二极管元件(6)的一部分的存储单元,第二布线(11) 分别与第一布线(2)垂直的第一布线(2),并且每个布线包含二极管元件(6)的剩余部分,以及经由层间绝缘层(12)形成的上部布线(13) 并且第一导线(2)分别经由第一触头(14)连接到上导线(13),并且第二导线(11)经由第二触点(15)连接到上导线(13) 分别。

    Nonvolatile memory apparatus and manufacturing method thereof
    4.
    发明授权
    Nonvolatile memory apparatus and manufacturing method thereof 有权
    非易失性存储装置及其制造方法

    公开(公告)号:US08242479B2

    公开(公告)日:2012-08-14

    申请号:US12742841

    申请日:2008-11-14

    IPC分类号: H01L29/02

    摘要: A nonvolatile memory device includes via holes (12) formed at cross sections where first wires (11) cross second wires (14), respectively, and current control elements (13) each including a current control layer (13b), a first electrode layer (13a) and a second electrode layer (13c) such that the current control layer (13b) is sandwiched between the first electrode layer (13a) and the second electrode layer (13c), in which resistance variable elements (15) are provided inside the via holes (12), respectively, the first electrode layer (13a) is disposed so as to cover the via hole (12), the current control layer (13b) is disposed so as to cover the first electrode layer (13a), the second electrode layer (13c) is disposed on the current control layer (13b), a wire layer (14a) of the second wire is disposed on the second electrode layer (13c), and the second wires (14) each includes the current control layer (13b), the second electrode layer (13c) and the wire layer (14a) of the second wire.

    摘要翻译: 非易失性存储器件包括分别形成在第一布线(11)与第二布线(14)交叉的横截面处的通孔(12),以及各自包括电流控制层(13b)的电流控制元件(13),第一电极层 (13a)和第二电极层(13c),使得电流控制层(13b)夹在第一电极层(13a)和第二电极层(13c)之间,其中电阻可变元件(15)设置在其内 通孔(12)分别设置成覆盖通孔(12),电流控制层(13b)被设置成覆盖第一电极层(13a), 第二电极层(13c)设置在电流控制层(13b)上,第二导线的导线层(14a)设置在第二电极层(13c)上,第二导线(14)各自包括电流 控制层(13b),第二电极层(13c)和第二wi的导线层(14a) 回覆。

    NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD THEREOF
    5.
    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:US20100283026A1

    公开(公告)日:2010-11-11

    申请号:US12810667

    申请日:2008-12-26

    摘要: A first wire layer (19) including first memory wires (12) is connected to a second wire layer (20) including second memory wires (17) via first contacts (21) penetrating a first interlayer insulating layer (13). The first wire layer (13) is connected to and led out to upper wires (22) via second contacts (26) connected to the second wire layer (20) and penetrating the second interlayer insulating layer (18). The first contacts (21) penetrate semiconductor layer (17b) or insulator layer (17c) of the second wire layer (20).

    摘要翻译: 包括第一存储器线(12)的第一布线层(19)通过穿过第一层间绝缘层(13)的第一触点(21)连接到包括第二存储器布线(17)的第二布线层(20)。 第一导线层(13)经由连接到第二导线层(20)并穿过第二层间绝缘层(18)的第二触点(26)连接并引出到上导线(22)。 第一触点(21)穿透第二导线层(20)的半导体层(17b)或绝缘体层(17c)。

    NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD THEREOF
    6.
    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:US20100237313A1

    公开(公告)日:2010-09-23

    申请号:US12738778

    申请日:2008-10-22

    IPC分类号: H01L45/00 H01L21/20

    CPC分类号: H01L27/24 H01L27/1021

    摘要: A nonvolatile semiconductor memory device of the present invention includes a substrate (1), first wires (2), memory cells each including a resistance variable element (5) and a portion of a diode element (6), second wires (11) which respectively cross the first wires (2) to be perpendicular to the first wires (2) and each of which contains a remaining portion of the diode element (6), and upper wires (13) formed via an interlayer insulating layer (12), respectively, and the first wires (2) are connected to the upper wires (13) via first contacts (14), respectively, and the second wires (11) are connected to the upper wires (13) via second contacts (15), respectively.

    摘要翻译: 本发明的非易失性半导体存储器件包括基板(1),第一布线(2),各自包括电阻可变元件(5)和二极管元件(6)的一部分的存储单元,第二布线(11) 分别与第一布线(2)垂直的第一布线(2),并且每个布线包含二极管元件(6)的剩余部分,以及经由层间绝缘层(12)形成的上部布线(13) 并且第一导线(2)分别经由第一触头(14)连接到上导线(13),并且第二导线(11)经由第二触点(15)连接到上导线(13) 分别。

    Nonvolatile semiconductor memory device and manufacturing method thereof
    7.
    发明授权
    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:US08253136B2

    公开(公告)日:2012-08-28

    申请号:US12738778

    申请日:2008-10-22

    IPC分类号: H01L29/10

    CPC分类号: H01L27/24 H01L27/1021

    摘要: A nonvolatile semiconductor memory device of the present invention includes a substrate (1), first wires (2), memory cells each including a resistance variable element (5) and a portion of a diode element (6), second wires (11) which respectively cross the first wires (2) to be perpendicular to the first wires (2) and each of which contains a remaining portion of the diode element (6), and upper wires (13) formed via an interlayer insulating layer (12), respectively, and the first wires (2) are connected to the upper wires (13) via first contacts (14), respectively, and the second wires (11) are connected to the upper wires (13) via second contacts (15), respectively.

    摘要翻译: 本发明的非易失性半导体存储器件包括基板(1),第一布线(2),各自包括电阻可变元件(5)和二极管元件(6)的一部分的存储单元,第二布线(11) 分别与第一布线(2)垂直的第一布线(2),并且每个布线包含二极管元件(6)的剩余部分,以及经由层间绝缘层(12)形成的上部布线(13) 并且第一导线(2)分别经由第一触头(14)连接到上导线(13),并且第二导线(11)经由第二触点(15)连接到上导线(13) 分别。

    NONVOLATILE MEMORY APPARATUS AND MANUFACTURING METHOD THEREOF
    8.
    发明申请
    NONVOLATILE MEMORY APPARATUS AND MANUFACTURING METHOD THEREOF 有权
    非易失性存储器及其制造方法

    公开(公告)号:US20100264392A1

    公开(公告)日:2010-10-21

    申请号:US12742841

    申请日:2008-11-14

    IPC分类号: H01L45/00 H01L21/02

    摘要: A nonvolatile memory device includes via holes (12) formed at cross sections where first wires (11) cross second wires (14), respectively, and current control elements (13) each including a current control layer (13b), a first electrode layer (13a) and a second electrode layer (13c) such that the current control layer (13b) is sandwiched between the first electrode layer (13a) and the second electrode layer (13c), in which resistance variable elements (15) are provided inside the via holes (12), respectively, the first electrode layer (13a) is disposed so as to cover the via hole (12), the current control layer (13b) is disposed so as to cover the first electrode layer (13a), the second electrode layer (13c) is disposed on the current control layer (13b), a wire layer (14a) of the second wire is disposed on the second electrode layer (13c), and the second wires (14) each includes the current control layer (13b), the second electrode layer (13c) and the wire layer (14a) of the second wire.

    摘要翻译: 非易失性存储器件包括分别形成在第一布线(11)与第二布线(14)交叉的横截面处的通孔(12),以及各自包括电流控制层(13b)的电流控制元件(13),第一电极层 (13a)和第二电极层(13c),使得电流控制层(13b)夹在第一电极层(13a)和第二电极层(13c)之间,其中电阻可变元件(15)设置在其内 通孔(12)分别设置成覆盖通孔(12),电流控制层(13b)被设置成覆盖第一电极层(13a), 第二电极层(13c)设置在电流控制层(13b)上,第二导线的导线层(14a)设置在第二电极层(13c)上,第二导线(14)各自包括电流 控制层(13b),第二电极层(13c)和第二wi的导线层(14a) 回覆。

    Nonvolatile semiconductor memory device having coplanar surfaces at resistance variable layer and wiring layer and manufacturing method thereof
    9.
    发明授权
    Nonvolatile semiconductor memory device having coplanar surfaces at resistance variable layer and wiring layer and manufacturing method thereof 有权
    在电阻变化层和布线层具有共面的非易失性半导体存储器件及其制造方法

    公开(公告)号:US08537605B2

    公开(公告)日:2013-09-17

    申请号:US12867437

    申请日:2009-02-09

    IPC分类号: G11C11/14

    摘要: A nonvolatile semiconductor memory device (100) comprises a substrate (102) provided with a transistor (101); a first interlayer insulating layer (103) formed over the substrate to cover the transistor; a first contact plug (104) formed in the first interlayer insulating layer and electrically connected to either of a drain electrode (101a) or a source electrode (101b) of the transistor, and a second contact plug (105) formed in the first interlayer insulating layer and electrically connected to the other of the drain electrode or the source electrode of the transistor; a resistance variable layer (106) formed to cover a portion of the first contact plug; a first wire (107) formed on the resistance variable layer; and a second wire (108) formed to cover a portion of the second contact plug; an end surface of the resistance variable layer being coplanar with an end surface of the first wire.

    摘要翻译: 非易失性半导体存储器件(100)包括设置有晶体管(101)的衬底(102); 形成在所述衬底上以覆盖所述晶体管的第一层间绝缘层(103) 形成在所述第一层间绝缘层中并电连接到所述晶体管的漏电极(101a)或源电极(101b)中的任一个的第一接触插塞(104)和形成在所述第一中间层 绝缘层并与晶体管的漏电极或源电极中的另一个电连接; 形成为覆盖所述第一接触插塞的一部分的电阻变化层(106) 形成在电阻变化层上的第一线(107) 以及形成为覆盖所述第二接触插塞的一部分的第二线(108) 所述电阻变化层的端面与所述第一线的端面共面。

    NONVOLATILE MEMORY ELEMENT AND METHOD OF MANUFACTURING THE SAME
    10.
    发明申请
    NONVOLATILE MEMORY ELEMENT AND METHOD OF MANUFACTURING THE SAME 审中-公开
    非易失性存储元件及其制造方法

    公开(公告)号:US20130140515A1

    公开(公告)日:2013-06-06

    申请号:US13810840

    申请日:2012-02-22

    IPC分类号: H01L45/00

    摘要: A method of manufacturing a nonvolatile memory element, the method including: forming a first lower electrode layer, a current steering layer, and a first upper electrode layer; forming a second lower electrode layer, a variable resistance layer, and a second upper electrode layer on the first upper electrode layer; patterning the second upper electrode layer, the variable resistance layer, and the lower electrode layer; patterning the first upper electrode layer, the current steering layer, and first lower electrode layer to form a current steering element, using the second lower electrode layer as a mask by use of etching which is performed on the second lower electrode layer at an etching rate lower than at least etching rates at which the second upper electrode layer and the variable resistance layer are etched; and forming a variable resistance element which has an area smaller than the area of the current steering element.

    摘要翻译: 一种制造非易失性存储元件的方法,所述方法包括:形成第一下电极层,电流引导层和第一上电极层; 在所述第一上电极层上形成第二下电极层,可变电阻层和第二上电极层; 图案化第二上电极层,可变电阻层和下电极层; 对第一上电极层,电流引导层和第一下电极层进行构图,以形成电流导向元件,使用第二下电极层作为掩模,以蚀刻速率在第二下电极层上进行蚀刻 低于至少蚀刻第二上电极层和可变电阻层的蚀刻速率; 以及形成面积小于当前操舵元件面积的可变电阻元件。