公开(公告)号：US08048741B2

公开(公告)日：2011-11-01

申请号：US12715964

申请日：2010-03-02

申请人： Fumitaka Arai ,  Riichiro Shirota ,  Makoto Mizukami

发明人： Fumitaka Arai ,  Riichiro Shirota ,  Makoto Mizukami

IPC分类号： H01L21/336

CPC分类号： H01L29/792 ,  G11C16/0483 ,  H01L27/105 ,  H01L27/115 ,  H01L27/11551 ,  H01L27/11556 ,  H01L27/11568 ,  H01L27/11578 ,  H01L27/11582 ,  H01L29/4234 ,  H01L29/66833 ,  H01L29/7926

摘要： A semiconductor memory device includes: a semiconductor substrate, on which an impurity diffusion layer is formed in a cell array area; a gate wiring stack body formed on the cell array area, in which multiple gate wirings are stacked and separated from each other with insulating films; a gate insulating film formed on the side surface of the gate wiring stack body, in which an insulating charge storage layer is contained; pillar-shaped semiconductor layers arranged along the gate wiring stack body, one side surfaces of which are opposed to the gate wiring stack body via the gate insulating film, each pillar-shaped semiconductor layer having the same conductivity type as the impurity diffusion layer; and data lines formed to be in contact with the upper surfaces of the pillar-shaped semiconductor layers and intersect the gate wirings.

摘要翻译： 半导体存储器件包括：在单元阵列区域中形成有杂质扩散层的半导体衬底; 形成在电池阵列区域上的栅极布线堆叠体，其中多个栅极布线彼此堆叠并且用绝缘膜分离; 形成在栅极布线堆叠体的侧表面上的栅极绝缘膜，其中包含绝缘电荷存储层; 沿着栅极布线堆叠体排列的柱状半导体层，其一个侧表面经由栅极绝缘膜与栅极布线堆叠体相对，每个柱状半导体层具有与杂质扩散层相同的导电类型; 以及形成为与柱状半导体层的上表面接触并与栅极布线相交的数据线。

公开(公告)号：US07884422B2

公开(公告)日：2011-02-08

申请号：US11841257

申请日：2007-08-20

申请人： Makoto Mizukami ,  Riichiro Shirota ,  Fumitaka Arai

发明人： Makoto Mizukami ,  Riichiro Shirota ,  Fumitaka Arai

IPC分类号： H01L27/12

CPC分类号： H01L27/11524 ,  H01L21/84 ,  H01L27/115 ,  H01L27/11521 ,  H01L27/1203

摘要： A semiconductor memory including a plurality of cell units arranged in a row direction, each of the cell units includes: a semiconductor region; a first buried insulating film provided on the semiconductor region; a second buried insulating film provided on the first buried insulating film, which has higher dielectric constant than the first buried insulating film; a semiconductor layer provided on the second buried insulating film; and a plurality of memory cell transistors arranged in a column direction, each of the memory cell transistors having a source region, a drain region and a channel region defined in the semiconductor layer.

摘要翻译： 一种半导体存储器，包括沿行方向布置的多个单元单元，每个单元单元包括：半导体区域; 设置在半导体区域上的第一掩埋绝缘膜; 设置在第一掩埋绝缘膜上的第二掩埋绝缘膜，其具有比第一掩埋绝缘膜更高的介电常数; 设置在所述第二掩埋绝缘膜上的半导体层; 以及沿列方向布置的多个存储单元晶体管，每个存储单元晶体管具有限定在半导体层中的源极区，漏极区和沟道区。

公开(公告)号：US20070102749A1

公开(公告)日：2007-05-10

申请号：US11549770

申请日：2006-10-16

申请人： Riichiro Shirota ,  Fumitaka Arai ,  Toshiyuki Enda ,  Hiroyoshi Tanimoto ,  Naoki Kusunokii ,  Nobutoshi Aoki ,  Makoto Mizukami ,  Kiyotaka Miyano ,  Ichiro Mizushima

发明人： Riichiro Shirota ,  Fumitaka Arai ,  Toshiyuki Enda ,  Hiroyoshi Tanimoto ,  Naoki Kusunokii ,  Nobutoshi Aoki ,  Makoto Mizukami ,  Kiyotaka Miyano ,  Ichiro Mizushima

IPC分类号： H01L29/76

CPC分类号： H01L27/115 ,  G11C16/0483 ,  H01L27/11519 ,  H01L27/11526 ,  H01L27/11529

摘要： A semiconductor memory device includes: a semiconductor substrate; a semiconductor layer formed on the semiconductor substrate with an insulating film interposed therebetween, the semiconductor layer being in contact with the semiconductor substrate via an opening formed in the insulating film; and a NAND cell unit formed on the semiconductor layer with a plurality of electrically rewritable and non-volatile memory cells connected in series and first and second select gate transistors disposed at both ends thereof.

摘要翻译： 半导体存储器件包括：半导体衬底; 在半导体衬底上形成有绝缘膜的半导体层，所述半导体层经由形成在所述绝缘膜中的开口与所述半导体衬底接触; 以及在半导体层上形成有串联连接的多个电可重写和非易失性存储单元的NAND单元单元，以及设置在其两端的第一和第二选择栅晶体管。

公开(公告)号：US07459748B2

公开(公告)日：2008-12-02

申请号：US11549770

申请日：2006-10-16

申请人： Riichiro Shirota ,  Fumitaka Arai ,  Toshiyuki Enda ,  Hiroyoshi Tanimoto ,  Naoki Kusunoki ,  Nobutoshi Aoki ,  Makoto Mizukami ,  Kiyotaka Miyano ,  Ichiro Mizushima

发明人： Riichiro Shirota ,  Fumitaka Arai ,  Toshiyuki Enda ,  Hiroyoshi Tanimoto ,  Naoki Kusunoki ,  Nobutoshi Aoki ,  Makoto Mizukami ,  Kiyotaka Miyano ,  Ichiro Mizushima

IPC分类号： H01L29/76

CPC分类号： H01L27/115 ,  G11C16/0483 ,  H01L27/11519 ,  H01L27/11526 ,  H01L27/11529

摘要： A semiconductor memory device includes: a semiconductor substrate; a semiconductor layer formed on the semiconductor substrate with an insulating film interposed therebetween, the semiconductor layer being in contact with the semiconductor substrate via an opening formed in the insulating film; and a NAND cell unit formed on the semiconductor layer with a plurality of electrically rewritable and non-volatile memory cells connected in series and first and second select gate transistors disposed at both ends thereof.

摘要翻译： 半导体存储器件包括：半导体衬底; 在半导体衬底上形成有绝缘膜的半导体层，所述半导体层经由形成在所述绝缘膜中的开口与所述半导体衬底接触; 以及在半导体层上形成有串联连接的多个电可重写和非易失性存储单元的NAND单元单元，以及设置在其两端的第一和第二选择栅晶体管。

公开(公告)号：US07696559B2

公开(公告)日：2010-04-13

申请号：US11616522

申请日：2006-12-27

申请人： Fumitaka Arai ,  Riichiro Shirota ,  Makoto Mizukami

发明人： Fumitaka Arai ,  Riichiro Shirota ,  Makoto Mizukami

IPC分类号： H01L27/115

CPC分类号： H01L29/792 ,  G11C16/0483 ,  H01L27/105 ,  H01L27/115 ,  H01L27/11551 ,  H01L27/11556 ,  H01L27/11568 ,  H01L27/11578 ,  H01L27/11582 ,  H01L29/4234 ,  H01L29/66833 ,  H01L29/7926

摘要： A semiconductor memory device includes: a semiconductor substrate, on which an impurity diffusion layer is formed in a cell array area; a gate wiring stack body formed on the cell array area, in which multiple gate wirings are stacked and separated from each other with insulating films; a gate insulating film formed on the side surface of the gate wiring stack body, in which an insulating charge storage layer is contained, pillar-shaped semiconductor layers arranged along the gate wiring stack body, one side surfaces of which are opposed to the gate wiring stack body via the gate insulating film, each pillar-shaped semiconductor layer having the same conductivity type as the impurity diffusion layer; and data lines formed to be in contact with the upper surfaces of the pillar-shaped semiconductor layers and intersect the gate wirings.

摘要翻译： 半导体存储器件包括：在单元阵列区域中形成有杂质扩散层的半导体衬底; 形成在电池阵列区域上的栅极布线堆叠体，其中多个栅极布线彼此堆叠并且用绝缘膜分离; 形成在栅极布线堆叠体的侧表面上的栅极绝缘膜，其中包含绝缘电荷存储层，沿着栅极布线堆叠体布置的柱状半导体层，其一个侧表面与栅极布线相对 堆叠体经由栅极绝缘膜，每个柱状半导体层具有与杂质扩散层相同的导电类型; 以及形成为与柱状半导体层的上表面接触并与栅极布线相交的数据线。

公开(公告)号：US20070158736A1

公开(公告)日：2007-07-12

申请号：US11616522

申请日：2006-12-27

申请人： Fumitaka Arai ,  Riichiro Shirota ,  Makoto Mizukami

发明人： Fumitaka Arai ,  Riichiro Shirota ,  Makoto Mizukami

IPC分类号： H01L29/788

CPC分类号： H01L29/792 ,  G11C16/0483 ,  H01L27/105 ,  H01L27/115 ,  H01L27/11551 ,  H01L27/11556 ,  H01L27/11568 ,  H01L27/11578 ,  H01L27/11582 ,  H01L29/4234 ,  H01L29/66833 ,  H01L29/7926

摘要： A semiconductor memory device includes: a semiconductor substrate, on which an impurity diffusion layer is formed in a cell array area; a gate wiring stack body formed on the cell array area, in which multiple gate wirings are stacked and separated from each other with insulating films; a gate insulating film formed on the side surface of the gate wiring stack body, in which an insulating charge storage layer is contained, pillar-shaped semiconductor layers arranged along the gate wiring stack body, one side surfaces of which are opposed to the gate wiring stack body via the gate insulating film, each pillar-shaped semiconductor layer having the same conductivity type as the impurity diffusion layer; and data lines formed to be in contact with the upper surfaces of the pillar-shaped semiconductor layers and intersect the gate wirings.

摘要翻译： 半导体存储器件包括：在单元阵列区域中形成有杂质扩散层的半导体衬底; 形成在电池阵列区域上的栅极布线堆叠体，其中多个栅极布线彼此堆叠并且用绝缘膜分离; 形成在栅极布线堆叠体的侧表面上的栅极绝缘膜，其中包含绝缘电荷存储层，沿着栅极布线堆叠体布置的柱状半导体层，其一个侧表面与栅极布线相对 堆叠体经由栅极绝缘膜，每个柱状半导体层具有与杂质扩散层相同的导电类型; 以及形成为与柱状半导体层的上表面接触并与栅极布线相交的数据线。

公开(公告)号：US20100159657A1

公开(公告)日：2010-06-24

申请号：US12715964

申请日：2010-03-02

申请人： Fumitaka ARAI ,  Riichiro Shirota ,  Makoto Mizukami

发明人： Fumitaka ARAI ,  Riichiro Shirota ,  Makoto Mizukami

IPC分类号： H01L21/336

CPC分类号： H01L29/792 ,  G11C16/0483 ,  H01L27/105 ,  H01L27/115 ,  H01L27/11551 ,  H01L27/11556 ,  H01L27/11568 ,  H01L27/11578 ,  H01L27/11582 ,  H01L29/4234 ,  H01L29/66833 ,  H01L29/7926

摘要： A semiconductor memory device includes: a semiconductor substrate, on which an impurity diffusion layer is formed in a cell array area; a gate wiring stack body formed on the cell array area, in which multiple gate wirings are stacked and separated from each other with insulating films; a gate insulating film formed on the side surface of the gate wiring stack body, in which an insulating charge storage layer is contained; pillar-shaped semiconductor layers arranged along the gate wiring stack body, one side surfaces of which are opposed to the gate wiring stack body via the gate insulating film, each pillar-shaped semiconductor layer having the same conductivity type as the impurity diffusion layer; and data lines formed to be in contact with the upper surfaces of the pillar-shaped semiconductor layers and intersect the gate wirings.

摘要翻译： 半导体存储器件包括：在单元阵列区域中形成有杂质扩散层的半导体衬底; 形成在电池阵列区域上的栅极布线堆叠体，其中多个栅极布线彼此堆叠并且用绝缘膜分离; 形成在栅极布线堆叠体的侧表面上的栅极绝缘膜，其中包含绝缘电荷存储层; 沿着栅极布线堆叠体排列的柱状半导体层，其一个侧表面经由栅极绝缘膜与栅极布线堆叠体相对，每个柱状半导体层具有与杂质扩散层相同的导电类型; 以及形成为与柱状半导体层的上表面接触并与栅极布线相交的数据线。

公开(公告)号：US20080073695A1

公开(公告)日：2008-03-27

申请号：US11841257

申请日：2007-08-20

申请人： Makoto Mizukami ,  Riichiro Shirota ,  Fumitaka Arai

发明人： Makoto Mizukami ,  Riichiro Shirota ,  Fumitaka Arai

IPC分类号： H01L27/12 ,  H01L21/84

CPC分类号： H01L27/11524 ,  H01L21/84 ,  H01L27/115 ,  H01L27/11521 ,  H01L27/1203

摘要： A semiconductor memory including a plurality of cell units arranged in a row direction, each of the cell units includes: a semiconductor region; a first buried insulating film provided on the semiconductor region; a second buried insulating film provided on the first buried insulating film, which has higher dielectric constant than the first buried insulating film; a semiconductor layer provided on the second buried insulating film; and a plurality of memory cell transistors arranged in a column direction, each of the memory cell transistors having a source region, a drain region and a channel region defined in the semiconductor layer.

摘要翻译： 一种半导体存储器，包括沿行方向布置的多个单元单元，每个单元单元包括：半导体区域; 设置在半导体区域上的第一掩埋绝缘膜; 设置在第一掩埋绝缘膜上的第二掩埋绝缘膜，其具有比第一掩埋绝缘膜更高的介电常数; 设置在所述第二掩埋绝缘膜上的半导体层; 以及沿列方向布置的多个存储单元晶体管，每个存储单元晶体管具有限定在半导体层中的源极区，漏极区和沟道区。

公开(公告)号：US08637915B2

公开(公告)日：2014-01-28

申请号：US13007258

申请日：2011-01-14

申请人： Masayuki Ichige ,  Fumitaka Arai ,  Riichiro Shirota ,  Toshitake Yaegashi ,  Yoshio Ozawa ,  Akihito Yamamoto ,  Ichiro Mizushima ,  Yoshihiko Saito

发明人： Masayuki Ichige ,  Fumitaka Arai ,  Riichiro Shirota ,  Toshitake Yaegashi ,  Yoshio Ozawa ,  Akihito Yamamoto ,  Ichiro Mizushima ,  Yoshihiko Saito

IPC分类号： H01L29/788

CPC分类号： H01L29/42336 ,  H01L21/28273 ,  H01L27/0207 ,  H01L27/115 ,  H01L27/11521 ,  H01L27/11524 ,  H01L29/42324 ,  H01L29/7881

摘要： A nonvolatile semiconductor memory includes first and second memory cells having a floating gate and a control gate. The floating gate of the first and second memory cells is comprised a first part, and a second part arranged on the first part, and a width of the second part in an extending direction of the control gate is narrower than that of the first part. A first space between the first parts of the first and second memory cells is filled with one kind of an insulator. The control gate is arranged at a second space between the second parts of the first and second memory cells.

摘要翻译： 非易失性半导体存储器包括具有浮动栅极和控制栅极的第一和第二存储单元。 第一和第二存储单元的浮动栅极包括第一部分和布置在第一部分上的第二部分，并且第二部分在控制栅极的延伸方向上的宽度比第一部分的宽度窄。 第一和第二存储单元的第一部分之间的第一空间填充有一种绝缘体。 控制栅极被布置在第一和第二存储单元的第二部分之间的第二空间处。

公开(公告)号：US08324679B2

公开(公告)日：2012-12-04

申请号：US13430153

申请日：2012-03-26

申请人： Masayuki Ichige ,  Fumitaka Arai ,  Riichiro Shirota ,  Toshitake Yaegashi ,  Yoshio Ozawa ,  Akihito Yamamoto ,  Ichiro Mizushima ,  Yoshihiko Saito

发明人： Masayuki Ichige ,  Fumitaka Arai ,  Riichiro Shirota ,  Toshitake Yaegashi ,  Yoshio Ozawa ,  Akihito Yamamoto ,  Ichiro Mizushima ,  Yoshihiko Saito

IPC分类号： H01L29/788

CPC分类号： H01L29/42336 ,  H01L21/28273 ,  H01L27/0207 ,  H01L27/115 ,  H01L27/11521 ,  H01L27/11524 ,  H01L29/42324 ,  H01L29/7881

摘要： A nonvolatile semiconductor memory includes first and second memory cells having a floating gate and a control gate. The floating gate of the first and second memory cells is comprised a first part, and a second part arranged on the first part, and a width of the second part in an extending direction of the control gate is narrower than that of the first part. A first space between the first parts of the first and second memory cells is filled with one kind of an insulator. The control gate is arranged at a second space between the second parts of the first and second memory cells.

摘要翻译： 非易失性半导体存储器包括具有浮动栅极和控制栅极的第一和第二存储单元。 第一和第二存储单元的浮动栅极包括第一部分和布置在第一部分上的第二部分，并且第二部分在控制栅极的延伸方向上的宽度比第一部分的宽度窄。 第一和第二存储单元的第一部分之间的第一空间填充有一种绝缘体。 控制栅极被布置在第一和第二存储单元的第二部分之间的第二空间处。