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    • 1. 发明授权
    • Method for operating a ferroelectric of electret memory device, and a device of this kind
    • 操作驻极体存储装置的铁电体的方法以及这种装置
    • US06937500B2
    • 2005-08-30
    • US10659428
    • 2003-09-11
    • Hans Gude GudesenPer-Erik NordalGeirr I. LeistadPer BrömsPer SandströmMats Johansson
    • Hans Gude GudesenPer-Erik NordalGeirr I. LeistadPer BrömsPer SandströmMats Johansson
    • G11C11/22
    • G11C11/22
    • A matrix-addressable ferroelectric or electret memory device and a method of operating are explained. The method includes applying a first plurality of voltage difference across a first and a second set of electrodes in the memory when data are read, and applying a second plurality of voltage differences when data are refreshed or rewritten. The first and second plurality of voltage differences correspond to sets of potential levels comprising time sequences of voltage pulses. At least one parameter indicative of a change in a memory cell response is used for determining at least one correction factor for the voltage pulses, whereby the pulse parameter is adjusted accordingly. The memory device comprises means for determining the at least one parameter, a calibration memory connected with means for determining the correction factor, and control circuits for adjusting pulse parameters as applied to read and write operations in the memory device.
    • 说明矩阵寻址铁电或驻极体存储器件及其操作方法。 该方法包括当读取数据时在存储器中的第一和第二组电极上施加第一多个电压差,以及当刷新或重写数据时施加第二多个电压差。 第一和第二多个电压差对应于包括电压脉冲的时间序列的电位电平集合。 指示存储器单元响应的变化的至少一个参数用于确定电压脉冲的至少一个校正因子,从而相应地调整脉冲参数。 存储器件包括用于确定至少一个参数的装置,与用于确定校正因子的装置连接的校准存储器以及用于调整应用于存储器件中的读和写操作的脉冲参数的控制电路。
    • 2. 发明授权
    • Operating temperature optimization in a ferroelectric or electret memory
    • 在铁电或驻极体记忆中的工作温度优化
    • US07248524B2
    • 2007-07-24
    • US11168375
    • 2005-06-29
    • Per-Erik NordalGeirr I. LeistadPer BrömsHans Gude Gudesen
    • Per-Erik NordalGeirr I. LeistadPer BrömsHans Gude Gudesen
    • G11C7/04
    • G11C29/021G11C11/22G11C29/02G11C29/028G11C2029/5002
    • In a heating and temperature control system for a data storage apparatus comprising at least one matrix-addressable ferroelectric or electret memory device, Joule heating means are provided in the memory device, a temperature determining means is connected with controller circuitry and the controller circuitry is connected with an external power supply, which controlled by the former powers the Joule heating means to achieve a selected operating temperature. In a method for operating the heating and temperature control system an ambient or instant temperature of the memory device is determined and compared with the set nominal optimal temperature, and the difference between these temperatures is used in a predefined algorithm for establishing control parameters for the application of power to the Joule heating means to achieve the selected operating temperature in the memory device during an addressing operation thereto.
    • 在包括至少一个可矩阵寻址的铁电或驻极体存储装置的数据存储装置的加热和温度控制系统中,在存储装置中提供焦耳加热装置,温度确定装置与控制器电路连接,并且控制器电路被连接 具有外部电源,由前者的焦炭控制,焦耳加热意味着实现选定的工作温度。 在用于操作加热和温度控制系统的方法中,确定存储器件的环境温度或即时温度并将其与设定的标称最佳温度进行比较,并且在用于建立应用的控制参数的预定义算法中使用这些温度之间的差异 的焦耳加热装置的功率,以在其寻址操作期间实现存储装置中的选定的工作温度。
    • 6. 发明授权
    • Read-only memory and read-only memory device
    • 只读存储器和只读存储器件
    • US06380597B1
    • 2002-04-30
    • US09297521
    • 1999-09-13
    • Hans Gude GudesenPer-Erik NordalGeirr I. Leistad
    • Hans Gude GudesenPer-Erik NordalGeirr I. Leistad
    • G11C1706
    • G11C13/0014B82Y10/00G11C11/5664G11C11/5692G11C13/0016H01L27/112
    • A read-only memory is made electrically addressable over a passive conductor matrix, wherein the volume between intersection of two conductors (2; 4) in the matrix defines a memory cell (5). Data are stored as impedance values in the memory cells. The memory cells (5) comprise either an isolating material (6) which provides high impedance or one or more inorganic or organic semiconductors (9), preferably with an anisotropic conducting property. The semiconductor material (9) forms a diode junction at the interface to a metallic conductor (2; 4) in the matrix. By suitable arrangement of respectively the isolating material (6) and semiconductor material (9) in the memory cells these may be given a determined impedance value which may be read electrically and corresponds to logical values in a binary or multi-valued code. One or more read-only memories (ROM) may be provided on a semiconductor substrate (1) which also comprises driver and control circuits (13), to accomplish a read-only memory device. The device may be realized either planar or also volumetrically by stacking several read-only memories (ROM) in horizontal layers (15) and connecting them with the substrate (1) via addressing buses.
    • 只读存储器在无源导体矩阵上可电寻址,其中矩阵中两个导体(2; 4)的相交之间的体积限定了存储单元(5)。 数据作为阻抗值存储在存储单元中。 存储单元(5)包括提供高阻抗的隔离材料(6)或一个或多个无机或有机半导体(9),优选具有各向异性导电性能。 半导体材料(9)在与基体中的金属导体(2; 4)的界面处形成二极管结。 通过分别将存储单元中的隔离材料(6)和半导体材料(9)适当地布置,这些可以被给予确定的阻抗值,其可以被电读取并对应于二值或多值代码中的逻辑值。 可以在也包括驱动器和控制电路(13)的半导体衬底(1)上提供一个或多个只读存储器(ROM),以实现只读存储器件。 该装置可以通过在水平层(15)中堆叠几个只读存储器(ROM)并且经由寻址总线将其与衬底(1)连接来实现平面或体积式地实现。
    • 10. 发明授权
    • Method for generation of electrically conducting or semiconducting structures in three dimensions and methods for erasure of the same structures
    • 用于在三维中产生导电或半导体结构的方法以及用于擦除结构的方法
    • US06403396B1
    • 2002-06-11
    • US09381995
    • 1999-09-28
    • Hans Gude GudesenPer-Erik NordalGeirr I. Leistad
    • Hans Gude GudesenPer-Erik NordalGeirr I. Leistad
    • H01L5140
    • H01L51/0001H01L21/768H01L21/76888H01L21/76894H01L21/8221H01L51/0024H01L2924/0002Y10T29/41H01L2924/00
    • Electrically conducting and/or semiconducting structures are generated in three dimensions in a composite matrix including two or more materials provided in spatially separate and homogenous material structures. Materials undergo specific physical and/or chemical changes causing transition from electrically non-conducing to electrically conducting and semiconducting state. The material structures are radiated with a given intensity or frequency characteristic adapted to the specific response of the material. Spatially modulating the radiation according to a protocol representing a pattern of electrically conducing and semiconducting structures in the relevant material structures generates the two dimensional electrically conducting and semiconducting structures in the material structure. The composite matrix is provided with electrically conducting and semiconducting structures in three dimensions. Spectral ranges of the radiation include gamma, x-ray, ultraviolet, visible light, inferred, and microwave. Particle radiation used for irradiation includes elementary particles including protons, neutrons, electrons, ions, molecules, and material aggregates.
    • 导电和/或半导体结构在三维生成复合基质中,包括在空间上分离和均匀的材料结构中提供的两种或多种材料。 材料经历特定的物理和/或化学变化,导致从电导通到导电和半导体状态的转变。 材料结构以适合材料的特定响应的给定强度或频率特性辐射。 根据表示相关材料结构中导电和半导体结构的图案的协议对辐射进行空间调制,在材料结构中产生二维导电和半导体结构。 复合矩阵在三维空间中提供导电和半导体结构。 辐射的光谱范围包括γ,X射线,紫外线,可见光,推测和微波。 用于照射的粒子辐射包括包括质子,中子,电子,离子,分子和材料聚集体的基本粒子。