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    • 1. 发明授权
    • Nonvolatile semiconductor memory device
    • 非易失性半导体存储器件
    • US08897077B2
    • 2014-11-25
    • US13715469
    • 2012-12-14
    • Genusion, Inc.
    • Natsuo AjikaShoji ShukuriSatoshi ShimizuTaku Ogura
    • G11C16/10H01L27/115G11C16/12G11C16/04
    • G11C16/10G11C16/0483G11C16/12H01L27/115H01L27/11524
    • According to an aspect of the present invention, it is provided: a nonvolatile semiconductor memory device comprising: a plurality of bit lines arranged in a first direction; a plurality of source lines arranged in the first direction, the plurality of source lines being parallel to the plurality of bit lines, the plurality of source lines being distinct from the plurality of bit lines; a plurality of memory gate lines arranged in a second direction perpendicular to the first direction; a plurality of memory cells arranged in a matrix, each of the plurality of memory cells including a p type MIS nonvolatile transistor having a first terminal, a second terminal, a channel between the first terminal and the second terminal, a gate insulation film formed on the channel, a gate electrode connected to one corresponding memory gate line of the plurality of memory gate lines, and a carrier storage layer formed between the gate insulation film and the gate electrode, the first terminal being connected to one corresponding bit line of the plurality of bit lines and the second terminal being connected to one corresponding source line of the plurality of source lines.
    • 根据本发明的一个方面,提供一种非易失性半导体存储器件,包括:沿第一方向布置的多个位线; 沿所述第一方向布置的多条源极线,所述多条源极线与所述多个位线平行,所述多个源极线与所述多个位线不同; 沿垂直于第一方向的第二方向布置的多个存储栅极线; 多个存储单元,以矩阵形式布置,所述多个存储单元中的每一个包括具有第一端子,第二端子,第一端子和第二端子之间的通道的ap型MIS非易失性晶体管,形成在栅极绝缘膜上的栅极绝缘膜 连接到所述多个存储栅极线中的一个对应的存储栅极线的栅极,以及形成在所述栅极绝缘膜和所述栅电极之间的载流子存储层,所述第一端子连接到所述多个栅极线中的一个相应的位线 位线,并且所述第二端子连接到所述多个源极线中的一个对应的源极线。
    • 3. 发明授权
    • Nonvolatile semiconductor memory using an adjustable threshold voltage transistor in a flip-flop
    • 非挥发性半导体存储器在触发器中使用可调阈值电压晶体管
    • US07969780B2
    • 2011-06-28
    • US11776491
    • 2007-07-11
    • Taku OguraMasaaki MiharaYoshiki Kawajiri
    • Taku OguraMasaaki MiharaYoshiki Kawajiri
    • G11C11/34G11C14/00
    • G11C11/412G11C14/00G11C14/0063
    • An object of this invention is to provide a rewritable nonvolatile memory cell that can have a wide reading margin, and can control both a word line and a bit line by changing the level of Vcc. As a solution, a flip-flop is formed by cross (loop) connect of inverters including memory transistors that can control a threshold voltage by charge injection into the side spacer of the transistors. In the case of writing data to one memory transistor, a high voltage is supplied to a source of the memory transistor through a source line and a high voltage is supplied to a gate of the memory transistor through a load transistor of the other side inverter. In the case of erasing the written data, a high voltage is supplied to the source of the memory transistor through the source line.
    • 本发明的目的是提供一种可以具有宽的读取余量的可重写非易失性存储单元,并且可以通过改变Vcc的电平来控制字线和位线。 作为解决方案,触发器是通过包括存储晶体管的逆变器的交叉(环路)连接形成的,所述存储器晶体管可以通过电荷注入到晶体管的侧面间隔来控制阈值电压。 在向一个存储晶体管写入数据的情况下,通过源极线将高电压提供给存储晶体管的源极,并且通过另一侧反相器的负载晶体管将高电压提供给存储晶体管的栅极。 在擦除写入数据的情况下,通过源极线将高电压提供给存储晶体管的源极。
    • 6. 发明授权
    • Nonvolatile semiconductor memory device
    • 非易失性半导体存储器件
    • US08339862B2
    • 2012-12-25
    • US12343552
    • 2008-12-24
    • Natsuo AiikaShoii ShukuriSatoshi ShimizuTaku Ogura
    • Natsuo AiikaShoii ShukuriSatoshi ShimizuTaku Ogura
    • G11C16/06G11C11/34H01L29/792
    • G11C16/10G11C16/0483G11C16/12H01L27/115H01L27/11524
    • According to an aspect of the present invention, it is provided: a nonvolatile semiconductor memory device comprising: a plurality of bit lines arranged in a first direction; a plurality of source lines arranged in the first direction, the plurality of source lines being parallel to the plurality of bit lines, the plurality of source lines being distinct from the plurality of bit lines; a plurality of memory gate lines arranged in a second direction perpendicular to the first direction; a plurality of memory cells arranged in a matrix, each of the plurality of memory cells including a p type MIS nonvolatile transistor having a first terminal, a second terminal, a channel between the first terminal and the second terminal, a gate insulation film formed on the channel, a gate electrode connected to one corresponding memory gate line of the plurality of memory gate lines, and a carrier storage layer formed between the gate insulation film and the gate electrode, the first terminal being connected to one corresponding bit line of the plurality of bit lines and the second terminal being connected to one corresponding source line of the plurality of source lines.
    • 根据本发明的一个方面,提供一种非易失性半导体存储器件,包括:沿第一方向布置的多个位线; 沿所述第一方向布置的多条源极线,所述多条源极线与所述多个位线平行,所述多个源极线与所述多个位线不同; 沿垂直于第一方向的第二方向布置的多个存储栅极线; 多个存储单元,以矩阵形式布置,所述多个存储单元中的每一个包括具有第一端子,第二端子,第一端子和第二端子之间的通道的ap型MIS非易失性晶体管,形成在栅极绝缘膜上的栅极绝缘膜 连接到所述多个存储栅极线中的一个对应的存储栅极线的栅极,以及形成在所述栅极绝缘膜和所述栅电极之间的载流子存储层,所述第一端子连接到所述多个栅极线中的一个相应的位线 位线,并且所述第二端子连接到所述多个源极线中的一个对应的源极线。
    • 7. 发明授权
    • Non-volatile semiconductor memory device
    • 非易失性半导体存储器件
    • US08106443B2
    • 2012-01-31
    • US12246193
    • 2008-10-06
    • Natsuo AjikaShoji ShukuriSatoshi ShimizuTaku Ogura
    • Natsuo AjikaShoji ShukuriSatoshi ShimizuTaku Ogura
    • H01L29/792H01L21/336
    • H01L27/11568G11C16/0441G11C16/0491H01L21/26586H01L29/792
    • A non-volatile semiconductor device includes an n type well formed in a semiconductor substrate having a surface, the surface having a plurality of stripe shaped grooves and a plurality of stripe shaped ribs, a plurality of stripe shaped p type diffusion regions formed in upper parts of each of the plurality of ribs, the plurality of stripe shaped p type diffusion regions being parallel to a longitudinal direction of the ribs, a tunneling insulation film formed on the grooves and the ribs, a charge storage layer formed on the tunneling insulating film, a gate insulation film formed on the charge storage layer, and a plurality of stripe shaped conductors formed on the gate insulating film, the plurality of stripe shaped conductors arranged in a direction intersecting the longitudinal direction of the ribs with a predetermined interval wherein an impurity diffusion structure in the ribs are asymmetric.
    • 非易失性半导体器件包括在具有表面的半导体衬底中形成的n型阱,表面具有多个条形槽和多个条状肋,多个条形p型扩散区形成在上部 所述多个条状p型扩散区域与所述肋的长度方向平行,形成在所述槽和所述肋上的隧道绝缘膜,形成在所述隧道绝缘膜上的电荷存储层, 形成在电荷存储层上的栅极绝缘膜和形成在栅极绝缘膜上的多个条状导体,所述多个条状导体沿着与肋的纵向相交的方向以预定间隔布置,其中杂质扩散 肋骨中的结构是不对称的。