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    • 3. 发明授权
    • Addressing of memory matrix
    • 存储矩阵的寻址
    • US06804138B2
    • 2004-10-12
    • US09899093
    • 2001-07-06
    • Michael O. ThompsonPer-Erik NordalHans Gude GudesenJohan CarlssonGöran Gustafsson
    • Michael O. ThompsonPer-Erik NordalHans Gude GudesenJohan CarlssonGöran Gustafsson
    • G11C1122
    • G11C11/22G09G3/20G09G3/3629G09G2300/06G09G2310/0251G09G2320/0209G11C7/06G11C7/1006G11C8/18
    • In a method of driving a passive matrix display or memory array of cells comprising an electrically polarizable material exhibiting hysteresis, in particular a ferroelectric material, wherein the polarization state of individual cells can be switched by application of electric potentials or voltages to word and bit lines in the matrix or array, a potential on selected word and bit lines is controlled to approach or coincide with one of n predefined potential levels and the potentials on all word and bit lines are controlled in time according to a protocol such that word lines are sequentially latched to potentials selected among nWORD potentials, while the bit lines are either latched sequentially to potentials selected among nBIT potentials, or during a certain period of a timing sequence given by the protocol connected to circuitry for detecting charges flowing between a bit line or bit lines and cells connecting thereto. This timing sequence is provided with a read cycle during which charges flowing between the selected bit line or bit lines connecting thereto are detected and a “refresh/write cycle” during which the polarization of the cells connecting with selected word and bit lines are brought to correspond with a set of predetermined values.
    • 在驱动无源矩阵显示器或存储阵列存储器阵列的方法中,该阵列包括具有磁滞的电可极化材料,特别是铁电材料,其中可以通过向字和位线施加电位或电压来切换各个单元的极化状态 在矩阵或阵列中,选择的字和位线上的电位被控制为接近或与n个预定义的电位电平中的一个一致,并且根据协议在时间上控制所有字和位线上的电位,使得字线依次 锁存到nWORD电位中选择的电位,而位线被顺序锁存到从nBIT电位中选择的电位,或者在连接到用于检测在位线或位线之间流动的电荷的电路的协议给定的定时序列的特定时段期间 和与其连接的单元。 该定时序列被提供有读取周期,在该循环期间检测在所选择的位线或连接到其之间的位线之间流动的电荷以及与所选择的字和位线连接的单元的极化被带到“刷新/写入周期” 对应于一组预定值。
    • 7. 发明授权
    • Method for operating a data storage apparatus employing passive matrix addressing
    • 用于操作采用无源矩阵寻址的数据存储装置的方法
    • US07352612B2
    • 2008-04-01
    • US10579968
    • 2004-11-24
    • Per HambergChrister KarlssonPer-Erik NordalNicklas OjakangasJohan CarlssonHans Gude Gudesen
    • Per HambergChrister KarlssonPer-Erik NordalNicklas OjakangasJohan CarlssonHans Gude Gudesen
    • G11C11/22
    • G11C11/22G06F12/0238G06F2212/1036G06F2212/7211G11C8/12G11C2013/0083
    • In a method for reducing detrimental phenomena related to disturb voltages in a data storage apparatus employing passive matrix addressing, particularly a memory device or a sensor device, an application of electric potentials conforming to an addressing operation is generally controlled in a time-coordinated manner according to a voltage pulse protocol. In an addressing operation a data storage cell is set to a first polarization state by means of a first active voltage pulse and then, dependent on the voltage pulse protocol, a second voltage pulse which may be a second active voltage pulse of opposite polarity to that of the first voltage pulse, is applied and used for switching the data storage cell to a second polarization state. The addressed cell is thus set to a predetermined polarization state as specified by the addressing operation. The data storage cells of the apparatus are provided in two or more electrically separated segments such that each segment comprises a separate physical address space for the apparatus. In an addressing operation the data are directed to a segment that is selected based on information on prior and/or scheduled applications of active voltage pulses to the segments.
    • 在采用无源矩阵寻址的数据存储装置,特别是存储装置或传感器装置中减少与干扰电压有关的有害现象的方法中,通常按时间协调方式控制符合寻址操作的电位的应用, 到电压脉冲协议。 在寻址操作中,通过第一有效电压脉冲将数据存储单元设置为第一偏振状态,然后根据电压脉冲协议设置第二电压脉冲,该第二电压脉冲可以是具有相反极性的第二有源电压脉冲 的第一电压脉冲被施加并用于将数据存储单元切换到第二极化状态。 因此,所寻址的单元被设置为由寻址操作指定的预定极化状态。 设备的数据存储单元被提供在两个或更多个电分离的段中,使得每个段包括用于该设备的单独的物理地址空间。 在寻址操作中,数据被引导到基于关于有效电压脉冲到段的先前和/或预定应用的信息而被选择的段。
    • 10. 发明授权
    • Folded memory layers
    • 折叠内存层
    • US06762950B2
    • 2004-07-13
    • US10306229
    • 2002-11-29
    • Hans Gude GudesenPer-Erik Nordal
    • Hans Gude GudesenPer-Erik Nordal
    • G11C1122
    • G11C11/22H01L27/10
    • A ferroelectric or electret volumetric memory device with a memory material provided in sandwich between first and second electrode layers with stripe-like electrodes forming word lines and bit lines of a matrix-addressable memory array, memory cells are defined in volumes of memeory material in between two crossing word lines and bit lines and a plurality of memory arrays are provided in a stacked arrangement. A stack of memory arrays is formed by tow or more ribbon-like structures, which are folded and/or braided into each other. Each ribbon-like structure includes a flexible substrate of non-conducting material and the electrode layers respectively provided on each surface of the substrate and including the parallel strip-like electrodes extending along the ribbon-like structure. A layer of memory material covers one of the electrode layers whereby each memory array of the stack is formed by overlapping portions of a pair of adjacent ribbon-like structures and crossing in substantially orthogonal relationship.
    • 具有记忆材料的铁电体或驻极体体积存储装置,其具有在形成矩阵可寻址存储器阵列的字线和位线的带条形电极的第一和第二电极层之间夹层提供的存储器单元, 以堆叠的方式设置两个交叉字线和位线以及多个存储器阵列。 一叠存储器阵列由丝束状或更多的带状结构形成,这些结构被折叠和/或编织成彼此。 每个带状结构包括非导电材料的柔性基板和分别设置在基板的每个表面上并包括沿着带状结构延伸的平行条状电极的电极层。 存储器材料层覆盖电极层之一,由此堆叠的每个存储器阵列由一对相邻的带状结构的重叠部分形成,并以基本正交的关系交叉。