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    • 54. 发明申请
    • Bit line coupling
    • 位线耦合
    • US20070195571A1
    • 2007-08-23
    • US11360873
    • 2006-02-23
    • Seiichi Aritome
    • Seiichi Aritome
    • G11C7/02
    • G11C7/18G11C7/02G11C7/12G11C16/0483G11C16/26G11C2207/005H01L27/115
    • Methods and apparatus are provided. In one embodiment, a memory device includes a first bit line selectively coupled to an input of a sensing device through a first multiplexer gate, and a second bit line selectively coupled to the input of the sensing device through a second multiplexer gate. The first bit line is formed at a first vertical layer and is coupled to a first source/drain region of the first multiplexer gate. The input of the sensing device is formed at a second vertical layer different than the first vertical layer and is coupled to a second source/drain region of the first multiplexer gate and a first source/drain region of the second multiplexer gate. The second bit line is formed at the first vertical layer and is coupled to a second source/drain region of the second multiplexer gate.
    • 提供了方法和装置。 在一个实施例中,存储器件包括通过第一多路复用器门选择性地耦合到感测器件的输入的第一位线,以及通过第二多路复用器门选择性地耦合到感测器件输入的第二位线。 第一位线形成在第一垂直层并且耦合到第一多路复用器门的第一源/漏区。 感测装置的输入形成在不同于第一垂直层的第二垂直层上,并且耦合到第一多路复用器栅极的第二源极/漏极区域和第二多路复用器栅极的第一源极/漏极区域。 第二位线形成在第一垂直层处,并且耦合到第二多路复用器门的第二源极/漏极区域。
    • 55. 发明申请
    • MEMORY BLOCK ERASING IN A FLASH MEMORY DEVICE
    • 闪存存储器件中的存储器块擦除
    • US20070171729A1
    • 2007-07-26
    • US11340093
    • 2006-01-26
    • Seiichi Aritome
    • Seiichi Aritome
    • G11C16/04
    • G11C16/16G11C16/344
    • The flash memory cell erase operation performs an erase operation at a first erase voltage for a first erase time. An erase verify read operation is then performed for an increasing sensing time period until either all of the memory cells of the block have a threshold voltage that is equal to or greater than an erased threshold voltage or a predetermined quantity of erase verify operations have been performed. The sensing time period for each subsequent verify operation is increased until a maximum sense time is reached. When the memory cells have all been erased, the erase voltage and erase time corresponding to the sensing time period at which the cells passed is used for further erase operations on the memory block.
    • 闪存单元擦除操作在第一擦除时间的第一擦除电压下执行擦除操作。 然后对于增加的感测时间周期执行擦除验证读取操作,直到该块的所有存储单元具有等于或大于擦除的阈值电压的阈值电压或已经执行了预定量的擦除验证操作 。 每个后续验证操作的感测时间周期增加,直到达到最大感测时间。 当存储单元全部被擦除时,对应于单元通过的感测时间周期的擦除电压和擦除时间用于存储块上的进一步的擦除操作。
    • 57. 发明申请
    • NONVOLATILE SEMICONDUCTOR MEMORY AND MANUFACTURING METHOD THEREOF
    • 非易失性半导体存储器及其制造方法
    • US20070128778A1
    • 2007-06-07
    • US11672361
    • 2007-02-07
    • Seiichi ARITOME
    • Seiichi ARITOME
    • H01L21/84H01L21/336H01L29/00
    • H01L27/11526H01L21/76224H01L27/105H01L27/115H01L27/11529H01L27/11543
    • A nonvolatile semiconductor memory includes a trench isolation provided in a semiconductor substrate and an interlayer insulator provided on the semiconductor substrate. The trench isolation defines an active area extending in a first direction at the semiconductor substrate. The interlayer insulator has a wiring trench extending in a second direction intersecting the first direction. A first conductive material layer is provided at the cross-point of the active area and the wiring trench so that it is insulated from the active area. A second conductive material layer is provided in the wiring trench so that it is insulated from the first conductive material layer. A metal layer is provided in the wiring trench so that it is electrically in contact the second conductive material layer.
    • 非易失性半导体存储器包括设置在半导体衬底中的沟槽隔离和设置在半导体衬底上的层间绝缘体。 沟槽隔离限定了在半导体衬底处沿第一方向延伸的有源区。 层间绝缘体具有沿与第一方向相交的第二方向延伸的布线沟槽。 第一导电材料层设置在有源区和布线沟槽的交叉点处,使其与有源区绝缘。 第二导电材料层设置在布线沟槽中,使其与第一导电材料层绝缘。 金属层设置在布线沟槽中,使其与第二导电材料层电接触。
    • 59. 发明授权
    • Nonvolatile semiconductor memory and manufacturing method thereof
    • 非易失性半导体存储器及其制造方法
    • US07192831B2
    • 2007-03-20
    • US11100492
    • 2005-04-07
    • Seiichi Aritome
    • Seiichi Aritome
    • H01L21/8247
    • H01L27/11526H01L21/76224H01L27/105H01L27/115H01L27/11529H01L27/11543
    • A nonvolatile semiconductor memory includes a trench isolation provided in a semiconductor substrate and an interlayer insulator provided on the semiconductor substrate. The trench isolation defines an active area extending in a first direction at the semiconductor substrate. The interlayer insulator has a wiring trench extending in a second direction intersecting the first direction. A first conductive material layer is provided at the cross-point of the active area and the wiring trench so that it is insulated from the active area. A second conductive material layer is provided in the wiring trench so that it is insulated from the first conductive material layer. A metal layer is provided in the wiring trench so that it is electrically in contact the second conductive material layer.
    • 非易失性半导体存储器包括设置在半导体衬底中的沟槽隔离和设置在半导体衬底上的层间绝缘体。 沟槽隔离限定了在半导体衬底处沿第一方向延伸的有源区。 层间绝缘体具有沿与第一方向相交的第二方向延伸的布线沟槽。 第一导电材料层设置在有源区和布线沟槽的交叉点处,使其与有源区绝缘。 第二导电材料层设置在布线沟槽中,使其与第一导电材料层绝缘。 金属层设置在布线沟槽中,使其与第二导电材料层电接触。