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    • 1. 发明授权
    • Non-volatile semiconductor memory
    • 非易失性半导体存储器
    • US07151697B2
    • 2006-12-19
    • US11000335
    • 2004-11-30
    • Stephan RiedelElard Stein von KamienskiNorbert Schulze
    • Stephan RiedelElard Stein von KamienskiNorbert Schulze
    • G11C11/34
    • H01L27/115G11C16/0466H01L27/1203
    • A non-volatile semiconductor memory includes a substrate having a substrate region, at least one word line, a plurality of non-volatile memory cells arranged in a plurality of sectors and further comprising first wells of a first doping type, electrically insulating elements and switching elements. Each sector includes a plurality of non-volatile memory cells commonly arranged in a respective first well. The at least one word line electrically connecting memory cells of a group of sectors among the plurality of sectors. The first wells are separated from the substrate region and from each other by means of the electrically insulating elements. Each first well is connected to a respective switching element and the semiconductor memory is constructed such that each first well is biasable to a predetermined potential by means of the respective switching element. Further, a method is provided for operating the above non-volatile semiconductor memory.
    • 非挥发性半导体存储器包括具有衬底区域,至少一个字线,布置在多个扇区中的多个非易失性存储单元的衬底,并且还包括第一掺杂类型的第一阱,电绝缘元件和开关 元素。 每个扇区包括通常布置在相应的第一阱中的多个非易失性存储器单元。 所述至少一个字线电连接所述多个扇区中的一组扇区的存储单元。 第一个阱通过电绝缘元件从衬底区域和彼此分离。 每个第一阱连接到相应的开关元件,并且半导体存储器被构造成使得每个第一阱通过相应的开关元件可偏置到预定电位。 此外,提供了用于操作上述非易失性半导体存储器的方法。
    • 3. 发明申请
    • Non-volatile semiconductor memory
    • 非易失性半导体存储器
    • US20060114724A1
    • 2006-06-01
    • US11000335
    • 2004-11-30
    • Stephan RiedelElard KamienskiNorbert Schulze
    • Stephan RiedelElard KamienskiNorbert Schulze
    • G11C16/04G11C11/34
    • H01L27/115G11C16/0466H01L27/1203
    • A non-volatile semiconductor memory includes a substrate having a substrate region, at least one word line, a plurality of non-volatile memory cells arranged in a plurality of sectors and further comprising first wells of a first doping type, electrically insulating elements and switching elements. Each sector comprises a plurality of non-volatile memory cells commonly arranged in a respective first well. The at least one word line electrically connecting memory cells of a group of sectors among the plurality of sectors. The first wells are separated from the substrate region and from each other by means of the electrically insulating elements. Each first well is connected to a respective switching element and the semiconductor memory is constructed such that each first well is biasable to a predetermined potential by means of the respective switching element. Further, a method is provided for operating the above non-volatile semiconductor memory.
    • 非挥发性半导体存储器包括具有衬底区域,至少一个字线,布置在多个扇区中的多个非易失性存储单元的衬底,并且还包括第一掺杂类型的第一阱,电绝缘元件和开关 元素。 每个扇区包括通常布置在相应的第一阱中的多个非易失性存储单元。 所述至少一个字线电连接所述多个扇区中的一组扇区的存储单元。 第一个阱通过电绝缘元件从衬底区域和彼此分离。 每个第一阱连接到相应的开关元件,并且半导体存储器被构造成使得每个第一阱通过相应的开关元件可偏置到预定电位。 此外,提供了用于操作上述非易失性半导体存储器的方法。
    • 6. 发明授权
    • Method for producing charge-trapping memory cell arrays
    • 电荷俘获存储单元阵列的制造方法
    • US07427548B2
    • 2008-09-23
    • US11170187
    • 2005-06-29
    • Stephan RiedelStefano Parascandola
    • Stephan RiedelStefano Parascandola
    • H01L21/336
    • H01L27/11568H01L29/66833
    • A memory layer sequence comprising a lower confinement layer (2), a charge-trapping layer (3), and an upper confinement layer (4) is applied on the main surface of a silicon substrate (1). By a photolithography step, trenches running parallel at a distance from one another are etched to delimitate the active area. A trench filling (7) is applied by growth or deposition of dielectric material or by a selective oxidation of the substrate material. After the removal of the charge-trapping layer sequence in a peripheral area and the deposition of a gate dielectric material provided for the transistors of an addressing circuitry, wordline stacks (8) are formed.
    • 在硅衬底(1)的主表面上施加包括下约束层(2),电荷俘获层(3)和上限制层(4)的存储层序列。 通过光刻步骤,蚀刻彼此间隔一定距离的平行沟槽,以界定有效面积。 沟槽填充(7)通过介电材料的生长或沉积或通过基底材料的选择性氧化来施加。 在去除外围区域中的电荷捕获层序列并且为寻址电路的晶体管提供的栅极电介质材料的沉积形成字线叠层(8)之后。
    • 10. 发明授权
    • Method and circuit for erasing a non-volatile memory cell
    • 擦除非易失性存储单元的方法和电路
    • US08116142B2
    • 2012-02-14
    • US11220872
    • 2005-09-06
    • Stephan RiedelBoaz Eitan
    • Stephan RiedelBoaz Eitan
    • G11C16/04
    • G11C16/0475G11C11/5671G11C16/16
    • The present invention is a method, circuit and system for erasing a non-volatile memory cell. A shunting element (e.g. transistor) may be introduced and/or activated between bit-lines to which one or more NVM cells being erased are connected. The shunting element may be located and/or activated across two bit-lines defining a given column of cells, where one or a subset of cells from the column may be undergoing an erase operation or procedure. The shunting element may be located, and/or activated, at some distance from the two bit-lines defining the given column of cells, and the shunting element may be electrically connected to the bit-lines defining the column through select transistors and/or through global bit-lines.
    • 本发明是用于擦除非易失性存储单元的方法,电路和系统。 可以在连接一个或多个NVM单元被擦除的位线之间引入和/或激活分流元件(例如晶体管)。 分流元件可以定义和/或激活跨定义单元的给定列的两个位线,其中来自列的一个或一个子集的子集可能经历擦除操作或过程。 分流元件可以位于距离限定给定列的单元的两个位线一定距离处,并且/或被激活,并且分流元件可以通过选择晶体管和/或定向元件电连接到限定该列的位线 通过全局位线。