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    • 1. 发明申请
    • METHOD FOR READING A RESISTIVE MEMORY CELL, AND A MEMORY CELL FOR IMPLEMENTATION
    • 方法用于读取电阻式存储单元和细胞为了便于实施
    • WO2015085977A1
    • 2015-06-18
    • PCT/DE2014000551
    • 2014-10-29
    • FORSCHUNGSZENTRUM JÜLICH GMBHRHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE
    • RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULEVAN DEN HURK JANLINN EIKEWASER RAINERVALOV ILIA
    • F16H48/40
    • G11C13/004G11C13/0011G11C13/0069G11C2013/0047G11C2013/0052G11C2213/33G11C2213/52H01L45/08H01L45/1266H01L45/142H01L45/143H01L45/144H01L45/148
    • The invention has involved the development of a method for reading a resistive memory cell that has two electrodes spaced apart from one another by an ion-conductive resistive material and that can be transferred from a stable state having a relatively high resistance value (high resistive state, HRS) to a stable state having a relatively low resistance value (low resistance state, LRS) by applying a write voltage. According to the invention, reading involves a read voltage being applied as a read pulse, wherein the number of ions driven through the ion-conductive resistive material during the pulse is set by means of the level and duration of the pulse such that, on the basis of the state for forming an electrically conductive path through the ion-conductive resistive material, they suffice at least until the onset of a flow of current through this path and hence for the transition to a metastable state VRS (volatile resistance state) with a reduced resistance value and a prescribed relaxation time for the return to the HRS state, but not for the transition to the LRS state. This ensures that the memory cell is always back in the same state after reading as before reading. This renders particularly memory elements that consist of two memory cells in reverse-connected series being nondestructively readable without this diminishing the possibility of producing large arrays from these memory elements.
    • 在本发明,用于读取具有两个电阻式存储器单元的方法,通过离子导电电阻材料的电极,其特征在于通过施加稳定状态的写入电压具有较高的电阻值(高电阻状态,HRS)间隔开的是具有较低电阻值的稳定状态 (低电阻状态,LRS)可变换显影。 根据本发明,将读取电压施加读脉冲,用于读出,其特征在于,设置的通过的数量和脉冲的持续时间的离子导电电阻材料的离子在脉冲期间被驱动的数量,以便开始从状态电阻以形成通过离子传导的导电路径 材料至少直到电流流过该路径,从而过渡到亚稳态的充分降低电阻值和预定的松弛时间为返回到状态HRS,但不为到状态LRS过渡发作(VRS挥发性电阻状态) , 通过这种方式,确保了读出后的存储器单元肯定是早在相同的条件读数前。 这使得特定存储器元件,其包括两个存储器单元的反串联连接的非破坏性读出而不这降低了实现这些存储元件的大阵列的可能性。
    • 6. 发明申请
    • CROSSBAR-MEMORY SYSTEMS AND METHODS FOR WRITING TO AND READING FROM CROSSBAR MEMORY JUNCTIONS OF CROSSBAR-MEMORY SYSTEMS
    • 交叉记忆体系统和用于写入和读取跨轨存储器系统的跨轨存储器连接的方法
    • WO2008048597A2
    • 2008-04-24
    • PCT/US2007/022070
    • 2007-10-16
    • HEWLETT-PACKARD DEVELOPMENT COMPANY, L. P.ROBINETT, WarrenKUEKES, Philip, J.
    • ROBINETT, WarrenKUEKES, Philip, J.
    • G11C13/02
    • G11C13/02B82Y10/00G06F11/1008G06F11/1076G11C11/54G11C13/0023G11C13/004G11C13/0069G11C2013/0047G11C2013/0057G11C2013/009G11C2213/16G11C2213/77G11C2213/81
    • Various embodiments of the present invention are directed to crossbar-memory systems to methods for writing information to and reading information stored in such systems. In one embodiment of the present invention, a crossbar-memory system (1300) comprises a first layer of microscale signal lines (808), a second layer of microscale signal lines (810), a first layer of nanowires (804) configured so that each first layer nanowire overlaps each first layer microscale signal line (808), and a second layer of nanowires (806) configured so that each second layer nanowire overlaps each second layer microscale signal line (810) and overlaps each first layer nanowire (804). The crossbar-memory system includes nonlinear-tunneling resistors (1526,1528) configured to selectively connect first layer nanowires (804) to first layer microscale signal lines (808) and to selectively connect second layer nanowires (806) to second layer microscale signal lines (810). The crossbar-memory system (1300) also includes nonlinear tunneling-hysteretic resistors (1318) configured to connect each first layer nanowire (2008) to each second layer nanowire (2012) at each crossbar intersection.
    • 本发明的各种实施例涉及交叉存储器系统,用于将信息写入和读取存储在这样的系统中的信息的方法。 在本发明的一个实施例中,交叉开关存储器系统(1300)包括第一层微米级信号线(808),第二层微型信号线(810),第一层纳米线(804),其构造成使得 每个第一层纳米线与每个第一层微米信号线(808)重叠,并且第二纳米线层(806)被配置为使得每个第二层纳米线与每个第二层微米信号线(810)重叠并与每个第一层纳米线(804)重叠, 。 交叉开关存储器系统包括非线性隧道电阻器(1526,1528),其被配置为选择性地将第一层纳米线(804)连接到第一层微米信号线(808),并且将第二层纳米线(806)选择性地连接到第二层微米信号线 (810)。 交叉开关存储器系统(1300)还包括非线性隧道迟滞电阻器(1318),其被配置为在每个交叉点交叉处将每个第一层纳米线(2008)连接到每个第二层纳米线(2012)。
    • 9. 发明申请
    • CROSSBAR-MEMORY SYSTEMS WITH NANOWIRE CROSSBAR JUNCTIONS
    • 具有NANOWIRE CROSSBAR JUNCTIONS的交叉记忆体系统
    • WO2008048597A3
    • 2008-06-19
    • PCT/US2007022070
    • 2007-10-16
    • HEWLETT PACKARD DEVELOPMENT COROBINETT WARRENKUEKES PHILIP J
    • ROBINETT WARRENKUEKES PHILIP J
    • G11C13/02
    • G11C13/02B82Y10/00G06F11/1008G06F11/1076G11C11/54G11C13/0023G11C13/004G11C13/0069G11C2013/0047G11C2013/0057G11C2013/009G11C2213/16G11C2213/77G11C2213/81
    • Various embodiments of the present invention are directed to crossbar-memory systems to methods for writing information to and reading information stored in such systems. In one embodiment of the present invention, a crossbar-memory system (800) comprises a first layer of microscale signal lines (808), a second layer of microscale signal lines '(810), a first layer of nanowires (804) configured so that each first layer, nanowire overlaps each first layer microscale signal line (808), and a second layer of nanowires (806) configured so that each second layer nanowire overlaps each second layer microscale signal line (810) and overlaps each first layer nanowire (804). The crossbar-memory system includes nonlinear-tunneling resistors configured to selectively connect first layer nanowires (804) to first layer microscale signal lines (808) and to selectively connect second layer nanowires (806) to second layer microscale signal lines (810). The crossbar-memory system (800) also includes nonlinear tunneling-hysteretic resistors configured to connect each first layer nanowire to each second layer nanowire. at each crossbar intersection.
    • 本发明的各种实施例涉及交叉存储器系统,用于将信息写入和读取存储在这样的系统中的信息的方法。 在本发明的一个实施例中,交叉开关存储器系统(800)包括第一层微米信号线(808),第二层微米信号线(810),第一层纳米线(804) 每个第一层纳米线与每个第一层微米信号线(808)重叠,以及第二纳米线层(806),其被配置为使得每个第二层纳米线与每个第二层微米信号线(810)重叠并与每个第一层纳米线 804)。 交叉开关存储器系统包括被配置为选择性地将第一层纳米线(804)连接到第一层微型信号线(808)并且选择性地将第二层纳米线(806)连接到第二层微量信号线(810)的非线性隧道电阻器。 交叉开关存储器系统(800)还包括被配置为将每个第一层纳米线连接到每个第二层纳米线的非线性隧道 - 迟滞电阻器。 在每个交叉口交叉点。