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    • 2. 发明申请
    • Low leakage asymmetric sram cell devices
    • 低泄漏非对称sram细胞器件
    • US20050226031A1
    • 2005-10-13
    • US10524319
    • 2003-08-08
    • Farid NajmNavid AziziAndreas Moshovos
    • Farid NajmNavid AziziAndreas Moshovos
    • G11C20060101G11C7/00G11C7/02G11C7/06G11C11/00G11C11/34G11C11/412
    • G11C7/067G11C7/062G11C11/412
    • Asymmetric SRAM cell designs exploiting data storage patterns found in ordinary software programs wherein most of the bits stored are zeroes for data and instruction streams. The asymmetric SRAM cell designs offer lower leakage power with little impact on latency. In asymmetric SRAM cells, selected transistors are “weakened” to reduce leakage current when the cell is storing a zero. Transistor weakening may be achieved by using higher voltage threshold transistors, by varying transistor geometries, or other means. In addition, a novel sense amplifier design is provided that leverages the asymmetric nature of the asymmetric SRAM cells to offer cell read times that are comparable with conventional symmetric SRAM cells. Lastly, cache memory designs are provided that are based on asymmetric SRAM cells offering leakage power reduction while maintaining high performance, comparable noise margins, and stability with respect to conventional cache memories.
    • 非对称SRAM单元设计利用在普通软件程序中发现的数据存储模式,其中存储的大部分位为零,用于数据和指令流。 非对称SRAM单元设计提供较低的漏电功率,对延迟影响不大。 在非对称SRAM单元中,当单元存储零时,所选择的晶体管被​​“削弱”以减少泄漏电流。 可以通过使用较高电压阈值晶体管,通过改变晶体管几何形状或其他方式来实现晶体管弱化。 此外,提供了一种新颖的读出放大器设计,其利用非对称SRAM单元的非对称特性来提供与常规对称SRAM单元相当的单元读取时间。 最后,提供基于非对称SRAM单元的缓存存储器设计,其提供泄漏功率降低,同时保持高性能,可比较的噪声容限和相对于常规高速缓冲存储器的稳定性。
    • 3. 发明授权
    • MRAM architecture with a flux closed data storage layer
    • 具有磁通闭合数据存储层的MRAM架构
    • US06909633B2
    • 2005-06-21
    • US10688664
    • 2003-10-16
    • David Tsang
    • David Tsang
    • G11C20060101G11C11/02G11C11/15G11C11/16G11C11/22H01L23/48
    • G11C11/16
    • A method and system for providing and using a magnetic memory are disclosed. The method and system include providing a plurality of magnetic memory cells and providing at least one magnetic write line coupled with the plurality of magnetic memory cells. Each of the magnetic memory cells includes a magnetic element having a data storage layer. The data storage layer stores data magnetically. The magnetic write line(s) are magnetostatically coupled with at least the data storage layer of the magnetic element of the corresponding magnetic memory cells. Consequently, flux closure is substantially achieved for the data storage layer of each of the plurality of magnetic memory cells.
    • 公开了一种用于提供和使用磁存储器的方法和系统。 该方法和系统包括提供多个磁存储器单元并且提供与多个磁存储单元耦合的至少一个磁写入线。 每个磁存储单元包括具有数据存储层的磁性元件。 数据存储层磁性存储数据。 磁写入线与至少相应磁存储器单元的磁性元件的数据存储层静磁耦合。 因此,对于多个磁存储单元中的每一个的数据存储层,实质上实现了磁通闭合。
    • 4. 发明授权
    • Mirror image non-volatile memory cell transistor pairs with single poly layer
    • 镜像非易失性存储单元晶体管对与单层多层
    • US06888192B2
    • 2005-05-03
    • US10465718
    • 2003-06-18
    • Bohumil Lojek
    • Bohumil Lojek
    • G11C20060101G11C16/04H01L21/28H01L21/336H01L21/8247H01L27/115H01L29/423H01L29/76H01L29/788H01L29/792H01L39/792
    • H01L21/28273G11C16/0416G11C2216/10H01L27/115H01L27/11519H01L27/11521H01L27/11558H01L29/42324H01L29/66825H01L29/7887
    • An arrangement of non-volatile memory transistors constructed in symmetric pairs within the space defined by intersecting pairs of word and bit lines of a memory array. The transistors have spaced apart sources and drains separated by a channel and having a floating gate over the channel characteristic of electrically erasable programmable read only memory transistors, except that there is no second poly gate. Only a single poly gate is used as a floating charge storage gate. This floating gate is placed sufficiently close to the source or drain of the device as to enable band-to-band tunneling. The floating gate is extended over the substrate to cross a word line where the floating gate is in a capacitive relation. The word line is used to program and erase the floating gate in combination with a source or drain electrode. A block erase mode is available so that the arrangement of transistors can operate as a flash memory. The single layer of poly has a T-shape, with the T-top used as the communication member with the word line and a T-base used as a floating gate. Both T-members are at the same potential. The intersecting pairs of word and bit lines resemble a tic-tac-toe pattern, with a central clear zone wherein pairs of symmetric non-volatile memory transistors are built.
    • 在由存储器阵列的字和位线的相交对限定的空间内以对称对构造的非易失性存储器晶体管的布置。 晶体管具有由沟道隔开的间隔开的源极和漏极,并且在电可擦除可编程只读存储器晶体管的通道特性上具有浮置栅极,除了不存在第二多晶硅栅极。 仅使用单个多晶硅栅极作为浮动电荷存储栅极。 该浮置栅极被放置得足够靠近器件的源极或漏极,以实现带 - 带隧穿。 浮置栅极延伸到衬底上,以跨越浮动栅极处于电容关系的字线。 字线用于与源极或漏极组合编程和擦除浮动栅极。 块擦除模式是可用的,使得晶体管的布置可以作为闪存存储器工作。 单层Poly具有T形,T形顶部用作与字线的通信构件,并且T形底座用作浮动栅极。 两个T成员都有同样的潜力。 字和位线的交叉对类似于tic-tac-toe图案,具有中心清晰区域,其中构建了对对称非易失性存储器晶体管对。
    • 6. 发明授权
    • Earom cell matrix and logic arrays with common memory gate
    • Earom单元矩阵和具有公共存储器门的逻辑阵列
    • US4380804A
    • 1983-04-19
    • US220644
    • 1980-12-29
    • George C. LockwoodMurray L. Trudel
    • George C. LockwoodMurray L. Trudel
    • G11C14/00G11C20060101G11C7/00G11C11/40G11C16/04G11C16/10G11C16/12G11C17/00H01L21/8247H01L27/10H01L27/115H01L29/78H01L29/788H01L29/792H03K19/177
    • G11C16/10G11C16/04G11C16/12H01L29/792H03K19/17712
    • A three gate programmable memory cell comprised of a variable threshold memory element medial of two access gate elements, together forming a series path whose conductive state can be altered by any one of the series elements. Each cell has lines for individually accessing the three gate electrodes, in addition to line connections to opposite ends of the conductive path formed by the elements in series. In one form, an alterable threshold transistor is connected in series between two field effect transistors, one of the two controlling cell addressing and the other actuating the read mode. The cell is erased with a high voltage pulse on the memory line. Subsequent programming of the cell is defined by the voltage states on the word and bit lines of the addressing transistor in time coincidence with an opposite polarity, shorter duration pulse on the memory line. The logic state stored in the cell is defined by the presence or absence of a conductive path through the cell when all three gates are biased to their read mode levels. A unitary configuration of the cell includes a single substrate, with a channel defined between doped node regions. Electrically isolated gate electrodes of the three transistors are symmetrically disposed adjacent each other over the channel to control its conductivity in segments. The cells are amenable to being grouped in arrays, while retaining the independence of the high voltage memory line and the flexibility of individual row and column addresses.
    • 三门可编程存储器单元由两个存取门元件的中间的可变阈值存储元件组成,一起形成其导电状态可以由串联元件中的任何一个改变的串联路径。 除了线路连接到由元件串联形成的导电路径的相对端之外,每个单元具有用于单独访问三个栅电极的线。 在一种形式中,可变阈值晶体管串联连接在两个场效应晶体管之间,两个控制单元寻址之一,另一个驱动读模式。 存储器线上的高电压脉冲擦除电池。 单元的后续编程由寻址晶体管的字和位线上的电压状态以与相反极性的时间一致,存储线上的较短持续时间脉冲定义。 当所有三个门偏置到它们的读取模式电平时,存储在单元中的逻辑状态由存在或不存在通过单元的导电路径来定义。 单元的单元结构包括单个衬底,其中沟道限定在掺杂节点区域之间。 三个晶体管的电隔离栅电极被对称地设置在通道上彼此相邻以控制其在段中的导电性。 这些单元可以被分组成阵列,同时保持高压存储器线路的独立性以及单独的行和列地址的灵活性。
    • 8. 发明申请
    • Organic electronic circuit with functional interlayer, and method for making the same
    • 具有功能性夹层的有机电子线路及其制造方法
    • US20050242343A1
    • 2005-11-03
    • US11115242
    • 2005-04-27
    • Niclas EdvardssonIsak EngquistMats Johansson
    • Niclas EdvardssonIsak EngquistMats Johansson
    • G11C20060101G11C11/22H01L21/02H01L29/08H01L51/10
    • H01L28/40G11C11/22
    • An organic electronic circuit (C) with improved performance, particularly at elevated temperatures, comprises an organic electret or ferroelectric material (2) provided between a first electrode (1a) and a second electrode (1b). A cell with a capacitor-like structure is defined in the organic electret or ferroelectric material (2) and can be accessed electrically directly or indirectly via the electrodes. At least one functional interlayer (3a; 3b) is provided between one of the electrodes (1a; 1b) and the organic electret or ferroelectric material (2). The interlayer material is inorganic, non-conducting and substantially inert relative to the organic electret or ferroelectric material (2) in general. Typically the interlayer (3) is inert relative to the organic electret or ferroelectric material (2) particularly when the latter is a fluorine-containing material. A plurality of circuits (C) is used for forming a matrix-addressable array.—The interlayer is deposited as molecular species from a source of functional interlayer material without dissociation of individual interlayer molecules.
    • 具有改进性能的有机电子电路(C),特别是在高温下,包括设置在第一电极(1a)和第二电极(1b)之间的有机驻极体或铁电材料(2)。 具有电容器状结构的电池被限定在有机驻极体或铁电材料(2)中,并且可以通过电极直接或间接地访问。 在一个电极(1a,1b)和有机驻极体或铁电材料(2)之间提供至少一个功能性中间层(3a; 3b)。 中间层材料通常相对于有机驻极体或铁电材料(2)是无机的,不导电的和基本上是惰性的。 通常,中间层(3)相对于有机驻极体或铁电材料(2)是惰性的,特别是当后者是含氟材料时。 多个电路(C)用于形成矩阵寻址阵列。中间层作为分子物质从功能性中间层材料源沉积而不分离各层间分子。