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    • 1. 发明授权
    • Variable resistance memory devices compensating for word line resistance
    • 补偿字线电阻的可变电阻存储器件
    • US08295076B2
    • 2012-10-23
    • US12819341
    • 2010-06-21
    • Young-Joo JeonKwang-Woo LeeDaewon Ha
    • Young-Joo JeonKwang-Woo LeeDaewon Ha
    • G11C11/00
    • G11C8/10G11C7/12G11C7/18G11C13/0004G11C13/0007G11C13/0023G11C13/0026G11C13/0028
    • Memory devices include a row decoder, a first variable resistance memory cell connected to a first bit line and connected to the row decoder by a word line and a second variable resistance memory cell connected to a second bit line and connected to the row decoder by the word line. The memory devices further include a bit line select circuit coupled to the first and second bit lines and configured to compensate for a difference in word line resistance between the row decoder and the respective first and second memory cells. In some embodiments, the bit line select circuit includes first and second transistors configured to selective respective ones of the first and second bit lines and the first and second transistors have different resistances that compensate for the difference in word line resistance.
    • 存储器件包括行解码器,连接到第一位线并通过字线连接到行解码器的第一可变电阻存储器单元和连接到第二位线的第二可变电阻存储单元,并且通过所述行译码器连接到行解码器 字线。 存储器件还包括位线选择电路,其耦合到第一和第二位线并且被配置为补偿行解码器与相应的第一和第二存储器单元之间的字线电阻的差异。 在一些实施例中,位线选择电路包括配置为选择第一和第二位线中的相应的第一和第二晶体管的第一和第二晶体管,并且第一和第二晶体管具有补偿字线电阻差的不同电阻。
    • 2. 发明申请
    • VARIABLE RESISTANCE MEMORY DEVICES COMPENSATING FOR WORD LINE RESISTANCE
    • 适用于线路电阻的可变电阻记忆体设备
    • US20100321981A1
    • 2010-12-23
    • US12819341
    • 2010-06-21
    • Young-Joo JeonKwang-Woo LeeDaewon Ha
    • Young-Joo JeonKwang-Woo LeeDaewon Ha
    • G11C11/00
    • G11C8/10G11C7/12G11C7/18G11C13/0004G11C13/0007G11C13/0023G11C13/0026G11C13/0028
    • Memory devices include a row decoder, a first variable resistance memory cell connected to a first bit line and connected to the row decoder by a word line and a second variable resistance memory cell connected to a second bit line and connected to the row decoder by the word line. The memory devices further include a bit line select circuit coupled to the first and second bit lines and configured to compensate for a difference in word line resistance between the row decoder and the respective first and second memory cells. In some embodiments, the bit line select circuit includes first and second transistors configured to selective respective ones of the first and second bit lines and the first and second transistors have different resistances that compensate for the difference in word line resistance.
    • 存储器件包括行解码器,连接到第一位线并通过字线连接到行解码器的第一可变电阻存储器单元和连接到第二位线的第二可变电阻存储单元,并且通过所述行译码器连接到行解码器 字线。 存储器件还包括位线选择电路,其耦合到第一和第二位线并且被配置为补偿行解码器与相应的第一和第二存储器单元之间的字线电阻的差异。 在一些实施例中,位线选择电路包括配置为选择第一和第二位线中的相应的第一和第二晶体管的第一和第二晶体管,并且第一和第二晶体管具有补偿字线电阻差的不同电阻。
    • 3. 发明授权
    • Non-volatile memory devices having cell diodes
    • 具有单元二极管的非易失性存储器件
    • US07612360B2
    • 2009-11-03
    • US11782682
    • 2007-07-25
    • Kwang-woo LeeJae-hee OhChang-wook Jeong
    • Kwang-woo LeeJae-hee OhChang-wook Jeong
    • H01L29/04
    • H01L45/144G11C13/0004H01L27/2409H01L27/2463H01L45/06H01L45/1233H01L45/1675
    • An integrated circuit memory cell includes a substrate having a first semiconductor region of first conductivity type (e.g., N-type) therein, which may define a portion of a word line within the substrate. An electrically insulating layer is provided on the substrate. The electrically insulating layer has an opening therein that extends opposite a recess in the first semiconductor region. A first insulating spacer is provided on a sidewall of the recess in the first semiconductor region. A diode is provided in the opening. The diode has a first terminal electrically coupled to a bottom of the recess in the first semiconductor region. A variable resistivity material region (e.g., phase-changeable material region) is also provided. The variable resistivity material region is electrically coupled to a second terminal of the diode.
    • 集成电路存储单元包括其中具有第一导电类型的第一半导体区域(例如,N型)的衬底,其可以限定衬底内的字线的一部分。 在基板上设置电绝缘层。 电绝缘层在其中具有与第一半导体区域中的凹部相对的开口。 第一绝缘间隔件设置在第一半导体区域中的凹部的侧壁上。 在开口中设置一个二极管。 二极管具有电耦合到第一半导体区域中的凹部的底部的第一端子。 还提供了可变电阻率材料区域(例如,相变材料区域)。 可变电阻率材料区域电耦合到二极管的第二端子。