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    • 73. 发明申请
    • MULTI-USE MEMORY CELL AND MEMORY ARRAY AND METHOD FOR USE THEREWITH
    • 多用途存储器单元和存储器阵列及其使用方法
    • WO2008016420A3
    • 2008-03-27
    • PCT/US2007013770
    • 2007-06-12
    • SANDISK 3D LLCSCHEUERLEIN ROY EKUMAR TANMAY
    • SCHEUERLEIN ROY EKUMAR TANMAY
    • G11C17/14G11C11/56G11C13/00
    • G11C11/56G11C13/00G11C17/06G11C17/16G11C17/165G11C17/18G11C29/027G11C29/028G11C2211/5641
    • A multi-use memory cell and memory array and a method for use therewith are disclosed. In one preferred embodiment, a memory cell is operable as a one-time programmable memory cell or a rewritable memory cell. The memory cell comprises a memory element comprising a semiconductor material configurable to one of at least three resistivity states, wherein a first resistivity state is used to represent a data state of the memory cell when the memory cell operates as a one-time programmable memory cell but not when the memory cell operates as a rewritable memory cell. A memory array with such memory cells is also disclosed. In another preferred embodiment, a memory cell is provided comprising a switchable resistance material, wherein the memory cell is operable in a first mode in which the memory cell is programmed with a forward bias and a second mode in which the memory cell is programmed with a reverse bias.
    • 公开了一种多用途存储单元和存储器阵列及其使用方法。 在一个优选实施例中,存储器单元可操作为一次性可编程存储器单元或可重写存储单元。 存储单元包括存储元件,其包括可配置为至少三种电阻率状态之一的半导体材料,其中当存储器单元作为一次可编程存储单元操作时,第一电阻率状态用于表示存储单元的数据状态 但是当存储器单元作为可重写存储单元时不起作用。 还公开了具有这种存储单元的存储器阵列。 在另一个优选实施例中,提供了一种包括可切换电阻材料的存储单元,其中存储单元可在第一模式中操作,其中存储单元用正向偏置和第二模式编程,其中存储单元用 反向偏差。
    • 78. 发明申请
    • NANOSCALE WIRE-BASED DATA STORAGE
    • 纳米线基数据存储
    • WO2007044034A2
    • 2007-04-19
    • PCT/US2005/044212
    • 2005-12-06
    • PRESIDENT AND FELLOWS OF HARVARD COLLEGELIEBER, Charles, M.WU, YueYAN, Hao
    • LIEBER, Charles, M.WU, YueYAN, Hao
    • H01R24/00
    • H01L29/0665B82Y10/00B82Y30/00G11C11/22G11C11/223G11C11/54G11C11/56G11C11/5657G11C13/003G11C13/025G11C2213/16G11C2213/17G11C2213/18G11C2213/75G11C2213/77H01L29/0673H01L29/068H01L29/78391
    • The present invention generally relates to nanotechnology and sub­microelectronic devices that can be used in circuitry and, in some cases, to nanoscale wires and other nanostructures able to encode data. One aspect of the invention provides a nanoscale wire or other nanostructure having a region that is electrically-polarizable, for example, a nanoscale wire may comprise a core and an electrically-polarizable shell. In some cases, the electrically-polarizable region is able to retain its polarization state in the absence of an external electric field. All, or only a portion, of the electrically­polarizable region may be polarized, for example, to encode one or more bits of data. In one set of embodiments, the electrically-polarizable region comprises a functional oxide or a ferroelectric oxide material, for example, BaTiO 3 , lead zirconium titanate, or the like. In some embodiments, the nanoscale wire (or other nanostructure) may further comprise other materials, for example, a separation region separating the electrically­polarizable region from other regions of the nanoscale wire. For example, in a nanoscale wire, one or more intermediate shells may separate the core from the electrically­polarizable shell.
    • 本发明一般涉及可用于电路中并且在某些情况下可用于纳米级线和其他能够编码数据的纳米结构的纳米技术和次级微电子器件。 本发明的一个方面提供了具有可电极化的区域的纳米线或其他纳米结构,例如纳米线可以包括核和电极化壳。 在一些情况下,电极化区域能够在没有外部电场的情况下保持其极化状态。 例如,所有或只有一部分电极和可怕极化区域可以被极化,以编码一个或多个数据位。 在一组实施例中,可电极化区域包括功能氧化物或铁电氧化物材料,例如BaTiO 3,钛酸铅锆等。 在一些实施例中,纳米线(或其他纳米结构)可以进一步包括其他材料,例如将纳米级线的其他区域与电和可;的可极化区域分开的分离区域。 例如,在纳米线中,一个或多个中间壳可以将芯与电极和可怕的极化壳分开。
    • 79. 发明申请
    • TRI-STATE CIRCUIT USING A NANOTUBE SWITCHING ELEMENTS
    • 使用NANOTUBE开关元件的三态电路
    • WO2006007197A3
    • 2006-12-21
    • PCT/US2005018468
    • 2005-05-26
    • NANTERO INCBERTIN CLAUDE L
    • BERTIN CLAUDE L
    • H03K19/00H03K19/20
    • G11C11/56B82Y10/00G11C13/025G11C23/00H01H1/0094Y10S977/932Y10S977/936Y10S977/94
    • Nano-tube based logic circuitry is disclosed. Tri-stating elements (52, 56, 62, 66) add an enable/disable function to the circuitry. Tri- stating elements (52, 56, 62, 66) may be provided by nano-tube based switching devices (52, 56, 62, 66 ). In the disabled state, the outputs present a high impedance ie, are tristated, which state allows interconnection to a common bus or other shared communication lines. In embodiments wherein the components are non-volatile (52, 56, 62, 66), the inverter state and the control state are maintained in the absence of power. Such an inverter (20, 30) may be used in conjunction with and in the absence of diodes, resistors and transistors or as part of or as a replacement to CMOS, biCMOs, bipolar and other transistor level technologies.
    • 公开了基于纳管的逻辑电路。 三态元件(52,56,62,66)向电路添加启用/禁用功能。 三元件(52,56,62,66)可以由基于纳米管的开关装置(52,56,62,66)提供。 在禁用状态下,输出呈现高阻抗,即三态化,哪种状态允许与公共总线或其他共享通信线路进行互连。 在组件是非易失性的(52,56,66,66)的实施例中,在没有电力的情况下保持逆变器状态和控制状态。 这种逆变器(20,30)可以与二极管,电阻器和晶体管结合使用,也可以在二极管,电阻器和晶体管的情况下使用,或者作为CMOS,biCM,双极和其他晶体管级技术的一部分或替代。