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    • 1. 发明专利
    • Semiconductor device and semiconductor storage device
    • 半导体器件和半导体存储器件
    • JP2012114422A
    • 2012-06-14
    • JP2011238450
    • 2011-10-31
    • Semiconductor Energy Lab Co Ltd株式会社半導体エネルギー研究所
    • KATO KIYOSHISHIONOIRI YUTAKANAGATSUKA SHUHEIYAKUBO HIROTOKOYAMA JUN
    • H01L21/8242H01L21/336H01L21/8247H01L27/10H01L27/108H01L27/115H01L29/786H01L29/788H01L29/792
    • H01L27/1156G11C11/403G11C16/0433H01L21/84H01L27/1203H01L27/1225H01L28/40
    • PROBLEM TO BE SOLVED: To provide a semiconductor device or a semiconductor storage device for holding data for a longer period of time.SOLUTION: A semiconductor device comprises: a first semiconductor layer 152a including a pair of impurity regions; a second semiconductor layer 152b provided apart from the first semiconductor layer and formed of the same material as the first semiconductor layer; a first insulation layer 153 provided on the first and second semiconductor layers; a first conductive layer 154 overlapping with the first semiconductor layer via the first insulation layer 153; a third semiconductor layer 156 overlapping with the first conductive layer via the first insulation layer 153 and formed of a different material from the first semiconductor layer; a second conductive layer 157b electrically connected to the first conductive layer and the third semiconductor layer; a third conductive layer 157a electrically connected to the third semiconductor layer 156 and formed of the same material as the second conductive layer; a second insulation layer 158 provided on the third semiconductor layer, the second conductive layer, and the third conductive layer; and a fourth conductive layer 159 overlapping with the third semiconductor layer via the second insulation layer.
    • 要解决的问题:提供一种用于保持更长时间的数据的半导体器件或半导体存储器件。 解决方案:半导体器件包括:包括一对杂质区的第一半导体层152a; 第二半导体层152b,与第一半导体层分开设置并由与第一半导体层相同的材料形成; 设置在第一和第二半导体层上的第一绝缘层153; 经由第一绝缘层153与第一半导体层重叠的第一导电层154; 通过第一绝缘层153与第一导电层重叠并由与第一半导体层不同的材料形成的第三半导体层156; 电连接到第一导电层和第三半导体层的第二导电层157b; 电连接到第三半导体层156并由与第二导电层相同的材料形成的第三导电层157a; 设置在第三半导体层,第二导电层和第三导电层上的第二绝缘层158; 以及经由第二绝缘层与第三半导体层重叠的第四导电层159。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2013219363A
    • 2013-10-24
    • JP2013092521
    • 2013-04-25
    • Semiconductor Energy Lab Co Ltd株式会社半導体エネルギー研究所
    • KATO KIYOSHISHIONOIRI YUTAKANAGATSUKA SHUHEIYAKUBO HIROTOKOYAMA JUN
    • H01L21/8242C23C14/08G11C11/405H01L27/10H01L27/108H01L29/786
    • H01L27/1156G11C11/403G11C16/0433H01L21/84H01L27/1203H01L27/1225H01L28/40
    • PROBLEM TO BE SOLVED: To provide a semiconductor device or a semiconductor storage device which increases a data retention period.SOLUTION: A semiconductor device comprises a memory circuit including: a semiconductor layer 152a having a pair of impurity regions; a semiconductor layer 152b which is composed of the same material with the semiconductor layer 152a and distant from the semiconductor layer 152a, and which includes an impurity element; an insulation layer 153 provided on the semiconductor layer 152a and the semiconductor layer 152b; a conductive layer 154 overlapping the semiconductor layer 152a via the insulation layer 153; a semiconductor layer 156 which overlaps the conductive layer 154 via the insulation layer 153 and which is composed of a material different from that of the semiconductor layer 152a; a conductive layer 157b electrically connected to the conductive layer 154 and the semiconductor layer 156; a conductive layer 157a which is electrically connected to the semiconductor layer 156 and composed of the same material with the conductive layer 157b; an insulation layer 158 provided on the semiconductor layer 156, the conductive layer 157b and the conductive layer 157a; and a conductive layer 159 overlapping the semiconductor layer 156 via the insulation layer 158.
    • 要解决的问题:提供一种增加数据保持期的半导体器件或半导体存储器件。解决方案:半导体器件包括存储电路,其包括:具有一对杂质区域的半导体层152a; 半导体层152b,其由与半导体层152a相同且远离半导体层152a的材料构成,并且包括杂质元素; 设置在半导体层152a和半导体层152b上的绝缘层153; 经由绝缘层153与半导体层152a重叠的导电层154; 半导体层156,其经由绝缘层153与导电层154重叠,并且由与半导体层152a的材料不同的材料构成; 电连接到导电层154和半导体层156的导电层157b; 导电层157a,与导电层157b电连接到半导体层156并由相同的材料构成; 设置在半导体层156,导电层157b和导电层157a上的绝缘层158; 以及经由绝缘层158与半导体层156重叠的导电层159。
    • 5. 发明专利
    • Semiconductor integrated circuit
    • 半导体集成电路
    • JP2013009325A
    • 2013-01-10
    • JP2012113557
    • 2012-05-17
    • Semiconductor Energy Lab Co Ltd株式会社半導体エネルギー研究所
    • NAGATSUKA SHUHEIYAKUBO HIROTO
    • H03K19/096H01L21/336H01L21/8242H01L21/8247H01L27/108H01L27/115H01L29/786H01L29/788H01L29/792H03K3/356
    • H01L27/06G11C11/412G11C14/0063H01L27/1052H01L27/1225
    • PROBLEM TO BE SOLVED: To reduce the power consumption of a memory device, reduce the area of the memory device, and reduce the number of transistors included in the memory device.SOLUTION: A memory device comprises: a comparator comparing potentials of a first output signal and a second output signal; a first memory portion having a first oxide semiconductor transistor and a first silicon transistor; a second memory portion having a second oxide semiconductor transistor and a second silicon transistor; and an output potential definer that defines the potentials of the first output signal and the second output signal. One of a source and a drain of the first oxide semiconductor transistor is electrically connected to a gate of the first silicon transistor. One of a source and a drain of the second oxide semiconductor transistor is electrically connected to a gate of the second silicon transistor.
    • 要解决的问题:为了降低存储器件的功耗,减小存储器件的面积,并减少存储器件中包括的晶体管的数量。 存储器件包括:比较器,比较第一输出信号和第二输出信号的电位; 具有第一氧化物半导体晶体管和第一硅晶体管的第一存储器部分; 具有第二氧化物半导体晶体管和第二硅晶体管的第二存储器部分; 以及定义第一输出信号和第二输出信号的电位的输出电位定义器。 第一氧化物半导体晶体管的源极和漏极之一电连接到第一硅晶体管的栅极。 第二氧化物半导体晶体管的源极和漏极之一电连接到第二硅晶体管的栅极。 版权所有(C)2013,JPO&INPIT