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公开(公告)号:US20080149913A1
公开(公告)日:2008-06-26
申请号:US11962862
申请日:2007-12-21
申请人: Hiroyasu TANAKA , Ryota Katsumata , Hideaki Aochi , Masaru Kito , Masaru Kidoh , Mitsuru Sato
发明人: Hiroyasu TANAKA , Ryota Katsumata , Hideaki Aochi , Masaru Kito , Masaru Kidoh , Mitsuru Sato
IPC分类号: H01L27/105 , H01L21/8239 , H01L45/00
CPC分类号: H01L27/2454 , G11C2213/71 , G11C2213/75 , H01L27/2481 , H01L45/04 , H01L45/06 , H01L45/1233 , H01L45/141 , H01L45/144 , H01L45/146
摘要: A semiconductor memory device is disclosed, which includes a first memory cell array formed on a semiconductor substrate and composed of a plurality of memory cells stacked in layers each having a characteristic change element and a vertical type memory cell transistor connected in parallel to each other, a plurality of second memory cell arrays formed on the semiconductor substrate and having the same structure as the first memory cell array, and arranged in an X direction with respect to the first memory cell array, and a plurality of third memory cell arrays formed on the semiconductor substrate and having the same structure as the first memory cell array, and arranged in a Y direction with respect to the first memory cell array, wherein a gate voltage is applied to gates of the vertical type memory cell transistors of the first to third memory cell arrays in a same layer.
摘要翻译: 公开了一种半导体存储器件,其包括形成在半导体衬底上的第一存储器单元阵列,并且由堆叠成各自具有彼此并联连接的特征变化元件和垂直型存储单元晶体管的多个存储单元组成, 多个第二存储单元阵列,形成在所述半导体衬底上并具有与所述第一存储单元阵列相同的结构,并且相对于所述第一存储单元阵列沿X方向布置;以及多个第三存储单元阵列, 半导体衬底并且具有与第一存储单元阵列相同的结构,并且相对于第一存储单元阵列在Y方向上布置,其中栅极电压被施加到第一至第三存储器的垂直型存储单元晶体管的栅极 单元阵列在同一层。
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2.
公开(公告)号:US20110284947A1
公开(公告)日:2011-11-24
申请号:US13198359
申请日:2011-08-04
申请人: Masaru KITO , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
发明人: Masaru KITO , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
IPC分类号: H01L29/792
CPC分类号: H01L27/11582 , G11C16/0483 , H01L21/8221 , H01L27/0688 , H01L27/105 , H01L27/115 , H01L27/11556 , H01L27/11573 , H01L27/11578
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。
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3.
公开(公告)号:US07936004B2
公开(公告)日:2011-05-03
申请号:US11654551
申请日:2007-01-18
申请人: Masaru Kito , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
发明人: Masaru Kito , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
IPC分类号: H01L27/115
CPC分类号: H01L27/11582 , G11C16/0483 , H01L21/8221 , H01L27/0688 , H01L27/105 , H01L27/115 , H01L27/11556 , H01L27/11573 , H01L27/11578
摘要: A nonvolatile semiconductor memory device includes 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; a 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 string and the first to nth electrodes of at least two other memory strings which are adjacent to the memory string in two directions are shared as first to nth conductor layers spread in two dimensions.
摘要翻译: 非易失性半导体存储器件包括其中多个可电可编程存储器单元串联连接的多个存储器串。 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电极以及在两个方向上与存储器串相邻的至少两个其它存储器串的第一至第n电极被共享为在二维上扩展的第一至第n导体层。
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公开(公告)号:US07539056B2
公开(公告)日:2009-05-26
申请号:US11896261
申请日:2007-08-30
申请人: Ryota Katsumata , Masaru Kito , Hideaki Aochi , Hiroyasu Tanaka , Masaru Kidoh , Mitsuru Sato
发明人: Ryota Katsumata , Masaru Kito , Hideaki Aochi , Hiroyasu Tanaka , Masaru Kidoh , Mitsuru Sato
IPC分类号: G11C16/04
CPC分类号: G11C16/24 , G11C16/0483 , H01L27/0207 , H01L27/105 , H01L27/11519 , H01L27/11526 , H01L27/11529
摘要: In a NAND type flash memory, control electrodes of first select transistors in a plurality memory cell units extending along a data line is integrated to constitute a first select signal line while control electrodes of second select transistor are integrated to constitute a second select signal line. The second select signal line is displaced from the first select signal line by a half pitch.
摘要翻译: 在NAND型闪速存储器中,集成了沿着数据线延伸的多个存储单元单元中的第一选择晶体管的控制电极,以构成第一选择信号线,同时第二选择晶体管的控制电极被积分以构成第二选择信号线 。 第二选择信号线从第一选择信号线移位半个间距。
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5.
公开(公告)号:US20070252201A1
公开(公告)日:2007-11-01
申请号:US11654551
申请日:2007-01-18
申请人: Masaru Kito , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
发明人: Masaru Kito , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
IPC分类号: H01L29/76
CPC分类号: H01L27/11582 , G11C16/0483 , H01L21/8221 , H01L27/0688 , H01L27/105 , H01L27/115 , H01L27/11556 , H01L27/11573 , H01L27/11578
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。
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6.
公开(公告)号:US08363481B2
公开(公告)日:2013-01-29
申请号:US12521997
申请日:2008-01-31
申请人: Masaru Kidoh , Hiroyasu Tanaka , Masaru Kito , Ryota Katsumata , Hideaki Aochi , Mitsuru Sato
发明人: Masaru Kidoh , Hiroyasu Tanaka , Masaru Kito , Ryota Katsumata , Hideaki Aochi , Mitsuru Sato
IPC分类号: G11C16/06
CPC分类号: H01L27/11578 , G11C16/0483 , H01L21/8221 , H01L27/0688 , H01L27/105 , H01L27/11568 , H01L27/11575 , H01L27/11582
摘要: A non-volatile semiconductor memory device according to the present invention includes a substrate; a first word-line provided above the substrate surface, the first word-line having a plate shape in an area where a memory cell is formed; a second word-line provided above the first word-line surface, the second word-line having a plate shape; a plurality of metal wirings connecting the first and second word-lines with a driver circuit; and a plurality of contacts connecting the first and second word-lines with the metal wirings. The contact of the first word-line is formed in a first word-line contact area. The contact of the second word-line is formed in a second word-line contact area. The first word-line contact area is provided on a surface of the first word-line that is drawn to the second word-line contact area.
摘要翻译: 根据本发明的非易失性半导体存储器件包括:衬底; 设置在所述衬底表面上方的第一字线,所述第一字线在形成存储器单元的区域中具有板形; 设置在所述第一字线表面上方的第二字线,所述第二字线具有板形; 将第一和第二字线与驱动电路连接的多个金属布线; 以及将第一和第二字线与金属布线连接的多个触点。 第一字线的接触形成在第一字线接触区域中。 第二字线的接触形成在第二字线接触区域中。 第一字线接触区域被提供在第一字线的被拉到第二字线接触区域的表面上。
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7.
公开(公告)号:US07821058B2
公开(公告)日:2010-10-26
申请号:US11970992
申请日:2008-01-08
申请人: Masaru Kidoh , Ryota Katsumata , Masaru Kito , Yoshiaki Fukuzumi , Hideaki Aochi , Hiroyasu Tanaka , Yasuyuki Matsuoka , Yoshio Ozawa , Mitsuru Sato
发明人: Masaru Kidoh , Ryota Katsumata , Masaru Kito , Yoshiaki Fukuzumi , Hideaki Aochi , Hiroyasu Tanaka , Yasuyuki Matsuoka , Yoshio Ozawa , Mitsuru Sato
IPC分类号: H01L27/115 , H01L21/8247 , H01L29/792
CPC分类号: H01L29/792 , G11C16/0483 , H01L27/0688 , H01L27/11568 , H01L27/11578 , H01L27/11582 , H01L29/66833 , H01L29/7926
摘要: According to an aspect of the present invention, there is provided a nonvolatile semiconductor memory including: a columnar semiconductor; a charge storage insulating film including: a first insulating film formed around the columnar semiconductor, a charge storage film formed around the first insulating film, and a second insulating film formed around the charge storage film; an electrode extending two-dimensionally to surround the charge storage insulating film, the electrode having a groove; and a metal silicide formed on a sidewall of the groove.
摘要翻译: 根据本发明的一个方面,提供了一种非易失性半导体存储器,包括:柱状半导体; 电荷存储绝缘膜,包括:围绕所述柱状半导体形成的第一绝缘膜,围绕所述第一绝缘膜形成的电荷存储膜,以及形成在所述电荷存储膜周围的第二绝缘膜; 电极,其二维地延伸以包围电荷存储绝缘膜,所述电极具有凹槽; 以及形成在所述槽的侧壁上的金属硅化物。
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8.
公开(公告)号:US20100039865A1
公开(公告)日:2010-02-18
申请号:US12521997
申请日:2008-01-31
申请人: Masaru Kidoh , Hiroyasu Tanaka , Masaru Kito , Ryota Katsumata , Hideaki Aochi , Mitsuru Sato
发明人: Masaru Kidoh , Hiroyasu Tanaka , Masaru Kito , Ryota Katsumata , Hideaki Aochi , Mitsuru Sato
IPC分类号: G11C16/06 , H01L29/792 , H01L21/4763
CPC分类号: H01L27/11578 , G11C16/0483 , H01L21/8221 , H01L27/0688 , H01L27/105 , H01L27/11568 , H01L27/11575 , H01L27/11582
摘要: A non-volatile semiconductor memory device according to the present invention includes a substrate; a first word-line provided above the substrate surface, the first word-line having a plate shape in an area where a memory cell is formed; a second word-line provided above the first word-line surface, the second word-line having a plate shape; a plurality of metal wirings connecting the first and second word-lines with a driver circuit; and a plurality of contacts connecting the first and second word-lines with the metal wirings. The contact of the first word-line is formed in a first word-line contact area. The contact of the second word-line is formed in a second word-line contact area. The first word-line contact area is provided on a surface of the first word-line that is drawn to the second word-line contact area.
摘要翻译: 根据本发明的非易失性半导体存储器件包括:衬底; 设置在所述衬底表面上方的第一字线,所述第一字线在形成存储器单元的区域中具有板形; 设置在所述第一字线表面上方的第二字线,所述第二字线具有板形; 将第一和第二字线与驱动电路连接的多个金属布线; 以及将第一和第二字线与金属布线连接的多个触点。 第一字线的接触形成在第一字线接触区域中。 第二字线的接触形成在第二字线接触区域中。 第一字线接触区域被提供在第一字线的被拉到第二字线接触区域的表面上。
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公开(公告)号:US20080175032A1
公开(公告)日:2008-07-24
申请号:US12018486
申请日:2008-01-23
申请人: Hiroyasu TANAKA , Ryota Katsumata , Hideaki Aochi , Masaru Kidoh , Masaru Kito , Mitsuru Sato
发明人: Hiroyasu TANAKA , Ryota Katsumata , Hideaki Aochi , Masaru Kidoh , Masaru Kito , Mitsuru Sato
CPC分类号: H01L27/101 , G11C5/025 , G11C5/063 , G11C11/1655 , G11C11/1659 , G11C13/0007 , G11C13/0023 , G11C13/0026 , G11C13/0028 , G11C2213/31 , G11C2213/32 , G11C2213/71 , G11C2213/72 , H01L27/224 , H01L27/228 , H01L27/2409 , H01L27/2454 , H01L27/249 , H01L45/06 , H01L45/085 , H01L45/1226 , H01L45/144 , H01L45/147
摘要: According to an aspect of the present invention, there is provided a nonvolatile semiconductor memory including: a plurality of memory devices each having: a resistance change element, and a diode connected serially to the resistance change element; and a source conductive layer spreading two-dimensionally to be connected to one ends of the plurality of memory devices.
摘要翻译: 根据本发明的一个方面,提供了一种非易失性半导体存储器,包括:多个存储器件,每个存储器件具有电阻变化元件和串联连接到电阻变化元件的二极管; 以及源极传导层,二维扩展以连接到多个存储器件的一端。
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10.
公开(公告)号:US09064735B2
公开(公告)日:2015-06-23
申请号:US13198359
申请日:2011-08-04
申请人: Masaru Kito , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
发明人: Masaru Kito , Hideaki Aochi , Ryota Katsumata , Akihiro Nitayama , Masaru Kidoh , Hiroyasu Tanaka , Yoshiaki Fukuzumi , Yasuyuki Matsuoka , Mitsuru Sato
IPC分类号: H01L27/115 , H01L21/822 , H01L27/06 , H01L27/105 , G11C16/04
CPC分类号: H01L27/11582 , G11C16/0483 , H01L21/8221 , H01L27/0688 , H01L27/105 , H01L27/115 , H01L27/11556 , H01L27/11573 , H01L27/11578
摘要: A nonvolatile semiconductor memory device that has a new structure is 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 has a plurality of 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。 非易失性半导体存储器件具有串联连接有多个电可编程存储单元的多个存储器串。 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。
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