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    • 1. 发明授权
    • Method of manufacturing semiconductor memory device and semiconductor memory device
    • 制造半导体存储器件和半导体存储器件的方法
    • US06787411B2
    • 2004-09-07
    • US10330448
    • 2002-12-30
    • Teruaki KisuKazuo NakazatoMasahito Takahashi
    • Teruaki KisuKazuo NakazatoMasahito Takahashi
    • H01L218244
    • H01L27/108H01L27/0688H01L27/105H01L27/1052
    • Disclosed are a gain cell structure capable of making a memory cell compact in size and a method of manufacturing the same at low cost. A memory cell is constituted of a reading MIS transistor and a writing MIS transistor. The reading MIS transistor has a pair of n+ type semiconductor regions (source region and drain region) formed on a main surface of a semiconductor substrate and a first gate electrode formed on a path of the n+ type semiconductor regions 13 via a first gate insulating film. The writing MIS transistor is arranged on the reading MIS transistor and has a layered structure made by laminating a lower semiconductor layer (source region), an intermediate semiconductor layer (channel forming region), and an upper semiconductor layer (drain region) in this order. The writing MIS transistor has a vertical structure in which a second gate electrode is arranged on both sidewalls of the layered structure via a second gate insulating film.
    • 公开了能够使存储单元尺寸小型化的增益单元结构及其制造方法。 存储单元由读取MIS晶体管和写入MIS晶体管构成。 读取MIS晶体管具有形成在半导体衬底的主表面上的一对n +型半导体区域(源极区域和漏极区域)和形成在n +型半导体区域13的路径上的第一栅极电极 经由第一栅绝缘膜。 写入MIS晶体管布置在读取MIS晶体管上,并且具有通过以此顺序层叠下半导体层(源极区),中间半导体层(沟道形成区)和上半导体层(漏极区)而形成的层叠结构 。 写入MIS晶体管具有垂直结构,其中第二栅极经由第二栅极绝缘膜布置在层状结构的两个侧壁上。
    • 2. 发明授权
    • Semiconductor memory device with MIS transistors
    • 具有MIS晶体管的半导体存储器件
    • US06501116B2
    • 2002-12-31
    • US10026769
    • 2001-12-27
    • Teruaki KisuKazuo NakazatoMasahito Takahashi
    • Teruaki KisuKazuo NakazatoMasahito Takahashi
    • H01L2708
    • H01L27/108H01L27/0688H01L27/105H01L27/1052
    • Disclosed are a gain cell structure capable of making a memory cell compact in size and a method of manufacturing the same at low cost. A memory cell is constituted of a reading MIS transistor and a writing MIS transistor. The reading MIS transistor has a pair of n+ type semiconductor regions (source region and drain region) formed on a main surface of a semiconductor substrate and a first gate electrode formed on a path of the n+ type semiconductor regions 13 via a first gate insulating film. The writing MIS transistor is arranged on the reading MIS transistor and has a layered structure made by laminating a lower semiconductor layer (source region), an intermediate semiconductor layer (channel forming region), and an upper semiconductor layer (drain region) in this order. The writing MIS transistor has a vertical structure in which a second gate electrode is arranged on both sidewalls of the layered structure via a second gate insulating film.
    • 公开了能够使存储单元尺寸小型化的增益单元结构及其制造方法。 存储单元由读取MIS晶体管和写入MIS晶体管构成。 读取MIS晶体管具有形成在半导体衬底的主表面上的一对n +型半导体区域(源极区域和漏极区域)以及经由第一栅极绝缘膜形成在n +型半导体区域13的路径上的第一栅极电极 。 写入MIS晶体管布置在读取MIS晶体管上,并且具有通过以此顺序层叠下半导体层(源极区),中间半导体层(沟道形成区)和上半导体层(漏极区)而形成的层叠结构 。 写入MIS晶体管具有垂直结构,其中第二栅极经由第二栅极绝缘膜布置在层状结构的两个侧壁上。
    • 3. 发明授权
    • Batch erasable nonvolatile memory device and erasing method
    • 批量可擦除非易失性存储器件和擦除方法
    • US5598368A
    • 1997-01-28
    • US445105
    • 1995-05-19
    • Masahito TakahashiMichiko OdagiriTakeshi FurunoKazunori FurusawaMasashi Wada
    • Masahito TakahashiMichiko OdagiriTakeshi FurunoKazunori FurusawaMasashi Wada
    • G11C17/00G11C16/02G11C16/16G11C16/34G11C13/00
    • G11C16/3477G11C16/16G11C16/3409G11C16/3445G11C16/3468
    • A batch erasable nonvolatile memory device and an apparatus using the same provided with memory cells which are adapted to execute an erase operation by a ejecting an electric charge accumulated at floating gates by program operation (including a pre-write operation), carries out, in sequence, a first operation for reading memory cells of an erase unit and carrying out a pre-write operation on those nonvolatile memory cells at the floating gates of which electric charge is not stored, a second operation for carrying out a batch erase operation at a high speed for the nonvolatile memory cells of said erase unit with a relatively large energy under a relatively large erase reference voltage, a third operation for carrying out a read operation of said all erased nonvolatile memory cells and a write operation on those nonvolatile memory cells which are adapted to have a relatively low threshold voltage, and a fourth operation for carrying out a batch erase operation at a low speed for the nonvolatile memory cells of said erase unit with a relatively small energy under a relatively small erase reference voltage, or is provided with an automatic erasing circuit for executing these operations.
    • 批量可擦除非易失性存储装置和使用该存储器单元的装置,该存储单元适于通过通过编程操作(包括预写操作)弹出在浮动栅极上累积的电荷来执行擦除操作, 序列,用于读取擦除单元的存储单元并且在不存储电荷的浮动栅极上对那些非易失性存储单元执行预写操作的第一操作,用于在存储单元中执行批量擦除操作的第二操作 在相对较大的擦除参考电压下具有相对大的能量的所述擦除单元的非易失性存储单元的高速度,用于执行所有擦除的非易失性存储单元的读操作的第三操作和对那些非易失性存储单元的写操作 适于具有相对低的阈值电压,以及第四操作,用于以低速执行批量擦除操作 所述擦除单元的非易失性存储单元在相对小的擦除参考电压下具有相对小的能量,或者设置有用于执行这些操作的自动擦除电路。
    • 4. 发明授权
    • Semiconductor device and a integrated circuit card
    • 半导体器件和集成电路卡
    • US06714447B2
    • 2004-03-30
    • US10085037
    • 2002-03-01
    • Akihiko SatohMasahito Takahashi
    • Akihiko SatohMasahito Takahashi
    • G11C1604
    • G11C16/3472G11C8/08G11C11/5628G11C16/0416G11C16/0483G11C16/08G11C16/3481
    • It is possible to suppress or prevent so-called write disturbance phenomenon from occurring in write-disabled non-selected memory cells in a semiconductor device, in any selected one of which data can be written electrically by means of the so-called tunneling phenomenon. In a flash memory that can disable writing of data by suppressing injection of electrons in the accumulation layer of each non-selected memory cell in which data is to be written with a writing disable voltage applied to the drain thereof before a write voltage is applied to the control gate electrode of each selected memory cell, the relationship among a writing disable voltage Vwd, a read voltage Vr applied to the drain of a selected memory cell from which data is to be read, and a punch-through withstand voltage BVds between the source and the drain of each selected memory cell is set to satisfy Vr
    • 可以抑制或防止在半导体器件中的写入禁止的非选择存储单元中发生所谓的写入干扰现象,在所选择的一个中,可以通过所谓的隧道现象将数据写入电。 在闪速存储器中,通过在将写入电压施加到其上施加到其漏极的写入禁止电压之前,通过抑制要在其中写入数据的每个未选择存储器单元的累积层中的电子注入来禁止数据写入 每个选择的存储单元的控制栅极电极,写入禁止电压Vwd,施加到要从其读取数据的所选择的存储单元的漏极的读取电压Vr与在其之间的穿透耐受电压BVds之间的关系 每个选择的存储单元的源极和漏极被设置为满足Vr
    • 7. 发明申请
    • VEHICLE INTERIOR TRIM
    • 汽车内饰
    • US20140191533A1
    • 2014-07-10
    • US13806792
    • 2011-06-20
    • Masahito Takahashi
    • Masahito Takahashi
    • B60R13/02B60R21/04
    • B60R13/02B60R13/025B60R21/04B60R2013/0287B60R2021/0407
    • Provided is a pillar trim (30) (a vehicle interior trim) with a main body part (32) formed in a hollow, three-dimensional structure by a thermoplastic synthetic resin. The exterior surface of the main body part (32) has a structure whereby an attachment surface (32a) attached to a vehicle structural member and a design surface (32b) inside the vehicle which are both joined together. In addition, the main body part (32) is formed of a bag-like construction that restricts the flow of internal air to the outside, and the main body part (32) distributes and absorbs impact forces from passenger during vehicle impact by using the internal pressure thereof.
    • 本发明提供一种具有通过热塑性合成树脂形成为中空三维结构的主体部分(32)的立柱装饰件(30)(车辆内饰件)。 主体部(32)的外表面具有安装在车辆结构部件上的安装面(32a)和车辆内部的设计面(32b)两者结合的结构。 此外,主体部32形成为限制内部空气向外部流动的袋状结构,主体部32通过使用本体部32在车辆撞击时分配和吸收乘客的冲击力, 内部压力。
    • 9. 发明授权
    • Semiconductor integrated circuit device
    • 半导体集成电路器件
    • US06420754B2
    • 2002-07-16
    • US09791832
    • 2001-02-26
    • Masahito TakahashiShiro AkamatsuAkihiko SatohFukuo OwadaMasataka Kato
    • Masahito TakahashiShiro AkamatsuAkihiko SatohFukuo OwadaMasataka Kato
    • H01L29792
    • H01L27/11521G11C7/18G11C16/0416H01L27/115H01L29/42324
    • A gate electrode of a field-effect transistor used as a peripheral circuit is constituted by the same gate electrode structure as a double-level gate electrode structure of nonvolatile memory cells. A hole for connecting the two layers of the gate electrode of a first field-effect transistor used as peripheral circuit is provided at a location which two-dimensionally overlaps the active area within the plane of the gate electrode, and a hole for connecting the two layers of the gate electrode of a second field-effect transistor used as a peripheral circuit is provided at a location which two-dimensionally overlaps an isolation area within the plane of the gate electrode. The gate length of the first field-effect transistor is longer than the gate length of the second field-effect transistor, and the gate width of the first field-effect transistor is wider than the gate width of the second field-effect transistor.
    • 用作外围电路的场效应晶体管的栅电极由与非易失性存储单元的双电平栅电极结构相同的栅电极结构构成。 用于连接用作外围电路的第一场效应晶体管的栅电极的两层的孔设置在与栅电极的平面内的有源区二维重叠的位置处,并且用于连接两个 用作外围电路的第二场效应晶体管的栅电极的层设置在与栅电极的平面内的隔离区域二维重叠的位置处。 第一场效应晶体管的栅极长度比第二场效应晶体管的栅极长度长,第一场效应晶体管的栅极宽度比第二场效应晶体管的栅极宽。