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    • 63. 发明授权
    • Non-volatile storage device and control method thereof
    • 非易失性存储装置及其控制方法
    • US06922768B2
    • 2005-07-26
    • US10415126
    • 2002-08-16
    • Toshiyuki HondaTetsushi KasaharaMasayuki ToyamaTeruo AkashiKeisuke Sakai
    • Toshiyuki HondaTetsushi KasaharaMasayuki ToyamaTeruo AkashiKeisuke Sakai
    • G11C16/02G06F12/00G06F12/02
    • G06F12/0246
    • To provide a nonvolatile storage device and control method thereof which improve convenience of portable devices by shortening initialization time. In generating a data validity table at initialization, a control part firstly reads out a validity flag and a second translation table. In the case where the validity flag is valid, logical blocks in the second translation table are valid. For that reason, the fourth table generation means can set all logical blocks in the second translation table as being valid, in the data validity table. In a single reading as mentioned above, the fourth table generation means can carry out setting with respect to a plurality of logical blocks. Further, with respect to a partial logical block which is set as being valid in the data validity table, it is possible to bypass reading out the data validity flag of the block and proceed to operation of next partial logical block.
    • 提供一种通过缩短初始化时间来提高便携式设备的便利性的非易失性存储装置及其控制方法。 在初始化时生成数据有效性表时,控制部首先读出有效标志和第二转换表。 在有效标志有效的情况下,第二转换表中的逻辑块是有效的。 为此,第四表生成装置可以在数据有效性表中将第二转换表中的所有逻辑块设置为有效。 在如上所述的单次读取中,第四表生成装置可以执行关于多个逻辑块的设置。 此外,对于在数据有效性表中被设置为有效的部分逻辑块,可以绕过读出块的数据有效性标志并进行下一个部分逻辑块的操作。
    • 64. 发明授权
    • Ferroelectric memory device
    • 铁电存储器件
    • US06872998B2
    • 2005-03-29
    • US09333049
    • 1999-06-15
    • Hiroshige HiranoToshiyuki Honda
    • Hiroshige HiranoToshiyuki Honda
    • H01L27/10H01L21/02H01L21/8242H01L21/8246H01L27/105H01L27/108H01L27/115H01L29/76H01L29/94H01L31/119
    • H01L27/11502H01L28/55
    • A memory cell transistor using a word line WL as the gate thereof is provided in an active region OD, and a ferroelectric capacitor, including bottom electrode, ferroelectric film and top electrode TE, is formed on a field oxide film. A first interconnection layer is made up of storage lines, each connecting the top electrode TE to one of doped layers of the memory cell transistor, and bit lines, each of which is connected to the other doped layer. In a planar layout, the storage line-intersects only one side of the top electrode TE and the bit line BL does not overlap with the top electrode TE. Thus, it is possible to prevent the retention characteristics of the ferroelectric capacitor from being deteriorated due to the stress applied by the first interconnection layer to the ferroelectric capacitor. As a result, the reliability of a ferroelectric memory device, including, in a memory cell, a ferroelectric capacitor with a ferroelectric film interposed between the bottom and top electrodes, can be improved.
    • 使用字线WL作为其栅极的存储单元晶体管设置在有源区域OD中,并且在场氧化膜上形成包括底电极,铁电体膜和顶电极TE的铁电电容器。 第一互连层由存储线组成,每个存储线将顶部电极TE连接到存储单元晶体管的一个掺杂层,以及位线,每个位线连接到另一个掺杂层。 在平面布局中,存储线仅与顶部电极TE的一侧相交,并且位线BL不与顶部电极TE重叠。 因此,可以防止由于第一互连层向强电介质电容器施加的应力而使铁电电容器的保持特性劣化。 结果,可以提高包括在存储单元中的强电介质存储器件的可靠性,该铁电电容器具有置于底部和顶部电极之间的铁电体膜。
    • 65. 发明授权
    • Probe card and method of testing wafer having a plurality of semiconductor devices
    • 探针卡和测试具有多个半导体器件的晶片的方法
    • US06563330B1
    • 2003-05-13
    • US09540870
    • 2000-03-31
    • Shigeyuki MaruyamaDaisuke KoizumiNaoyuki WatanabeYoshito KonnoEiji YoshidaToshiyuki HondaToshimi KawaharaKenichi Nagashige
    • Shigeyuki MaruyamaDaisuke KoizumiNaoyuki WatanabeYoshito KonnoEiji YoshidaToshiyuki HondaToshimi KawaharaKenichi Nagashige
    • G01R3102
    • G01R31/2886H01L2224/05001H01L2224/05008H01L2224/05022H01L2224/05024H01L2224/05568H01L2224/05569H01L2224/05573H01L2224/11H05K3/326
    • A probe card for testing a wafer having formed a plurality of semiconductor chips, the probe card including a board and a multi-layer substrate. The probe card may also include a flexible substrate. A contact electrode, located opposite from an electrode on one of the chips, is disposed above or below the flexible substrate, or may be provided on an elastic material on the multi-layered substrate. A first wiring has a first portion connected to the contact electrode, a level transitioning portion extending from a level of the first portion to the multi-layer substrate at a lower level, and a connecting terminal at an end of the level transitioning portion connected to an internal terminal on the multi-layered substrate. A second wiring in the multi-layered substrate connects the internal terminal to an external terminal at a periphery of the multi-layer substrate. A third wiring on the board connects the external terminal on the multi-layer substrate to an external connecting terminal on the board. Displacements of the internal terminal resulting from the temperature load applied during testing of the wafer are compensated by the level transitioning portion of the first wiring. Unevenness involved with the contact between the contact electrodes on the probe card and the electrodes on the chips are compensated by the contact electrodes and/or elastic material according to the present invention. An electrode pitch of the contact electrodes is expanded by the first wiring.
    • 一种用于测试形成多个半导体芯片的晶片的探针卡,所述探针卡包括基板和多层基板。 探针卡还可以包括柔性基底。 在其中一个芯片上与电极相对设置的接触电极设置在柔性基板的上方或下方,或者可以设置在多层基板上的弹性材料上。 第一布线具有连接到接触电极的第一部分,从第一部分的电平延伸到较低电平的多层基板的电平转换部分,以及连接到电平转换部分的端部处的连接端子 多层基板上的内部端子。 多层基板中的第二布线将内部端子连接到多层基板的外围的外部端子。 电路板上的第三个接线将多层基板上的外部端子连接到电路板上的外部连接端子。 在晶片测试期间施加的温度负载导致的内部端子的位移由第一布线的电平转换部分补偿。 涉及探针卡上的接触电极和芯片上的电极之间的接触的不均匀性由根据本发明的接触电极和/或弹性材料补偿。 接触电极的电极间距由第一布线扩大。
    • 66. 发明授权
    • Semiconductor device
    • 半导体器件
    • US5841698A
    • 1998-11-24
    • US697511
    • 1996-08-26
    • Hiroshige HiranoToshiyuki Honda
    • Hiroshige HiranoToshiyuki Honda
    • G11C5/14G11C7/06G11C16/26G11C16/06
    • G11C7/067G11C16/26G11C5/143G11C2207/063
    • A semiconductor device includes a nonvolatile memory cell and a current detecting type sense amplifier for detecting a current flowing through a data line into the memory cell. The semiconductor device is further provided with an element for outputting a first voltage detecting signal when a detected supply voltage exceeds a set value and outputting a second voltage detecting signal when the detected supply voltage does not exceed the set value. The sense amplifier includes an element for switching a dependent characteristic of a level sensing current upon the supply voltage to be higher in response to the second voltage detecting signal that in response to the first voltage detecting signal. Thus, error reading of a data from the memory cell, which can be otherwise caused under application of a low supply voltage, can be avoided.
    • 半导体器件包括非易失性存储单元和电流检测型读出放大器,用于检测流过存储单元的数据线的电流。 半导体器件还设置有用于当检测到的电源电压超过设定值时输出第一电压检测信号并在检测到的电源电压未超过设定值时输出第二电压检测信号的元件。 感测放大器包括用于响应于响应于第一电压检测信号的第二电压检测信号而将电源电压上的电平感测电流的相关特性切换到更高的元件。 因此,可以避免在应用低电源电压下可能导致来自存储单元的数据的错误读取。
    • 67. 发明授权
    • Non-volatile semiconductor memory device capable of conditioning
over-erased memory cells
    • 能够调节过度擦除的存储单元的非易失性半导体存储器件
    • US5831904A
    • 1998-11-03
    • US690790
    • 1996-08-01
    • Hiroshige HiranoToshiyuki Honda
    • Hiroshige HiranoToshiyuki Honda
    • G11C16/34G11C16/06
    • G11C16/3409G11C16/3404
    • By setting full group reversal control gates to a logical voltage "H", memory cells on all bit lines of a memory cell array block are connected to a reversal voltage supply circuit so that a group reversal operation is performed. When one of the group reversal control gates is set to the logical voltage "H", the memory cells on the bit lines having either even or odd numbers of the memory cell array block are connected to the reversal voltage supply circuit so that a partial group reversal operation is performed. When one of column selection gates is set to the logical voltage "H", the selected bit line is connected to the reversal voltage supply circuit. Consequently, a line reversal operation for the memory cell connected to the selected bit line is performed. Thus, the high-speed reversal operation which fully controls the offleak current of the memory cell can be implemented and the low-voltage operation can be realized by changing the operation unit for performing the reversal operation.
    • 通过将全部组反转控制栅极设置为逻辑电压“H”,存储单元阵列块的所有位线上的存储单元连接到反向电压供应电路,从而执行组反转操作。 当组反转控制门中的一个被设置为逻辑电压“H”时,具有偶数或奇数个存储单元阵列块的位线上的存储单元连接到反向电压供应电路,使得部分组 执行反转操作。 当列选择门之一被设置为逻辑电压“H”时,所选择的位线连接到反向电压供应电路。 因此,执行连接到所选位线的存储单元的线路反向操作。 因此,可以实现完全控制存储单元的截止电流的高速反转操作,并且可以通过改变用于执行反转操作的操作单元来实现低电压操作。