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    • 7. 发明授权
    • Semiconductor device and method for making the same
    • 半导体装置及其制造方法
    • US07910440B2
    • 2011-03-22
    • US11968403
    • 2008-01-02
    • Tsuyoshi OhtaTakahiro Kawano
    • Tsuyoshi OhtaTakahiro Kawano
    • H01L21/336
    • H01L29/66727H01L29/0661H01L29/66734H01L29/7811H01L29/7813
    • A semiconductor device includes: a first trench that is formed in a semiconductor substrate; a gate oxide film that is formed on a surface of the first trench; and a trench gate electrode that is formed so as to bury the first trench via the gate oxide film. The semiconductor device also includes: a second trench that is formed in the semiconductor substrate with a width wider than the width of the first trench; and a terminal-embedded insulation layer that is formed so as to bury the second trench. The semiconductor device further includes: a third trench that is formed in the semiconductor substrate with a width wider than the width of the second trench; and a trench contact electrode that is formed so as to bury the third trench.
    • 半导体器件包括:形成在半导体衬底中的第一沟槽; 形成在所述第一沟槽的表面上的栅极氧化膜; 以及沟槽栅极电极,其形成为通过栅极氧化膜掩埋第一沟槽。 半导体器件还包括:形成在半导体衬底中的宽度比第一沟槽的宽度宽的第二沟槽; 以及形成为埋入第二沟槽的端子嵌入式绝缘层。 半导体器件还包括:第三沟槽,其形成在半导体衬底中,宽度大于第二沟槽的宽度; 以及形成为埋入第三沟槽的沟槽接触电极。
    • 8. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • US20090032875A1
    • 2009-02-05
    • US12185630
    • 2008-08-04
    • Yusuke KAWAGUCHIKazuya NakayamaTsuyoshi OhtaTakeshi UchiharaTakahiro KawanoYuji Kato
    • Yusuke KAWAGUCHIKazuya NakayamaTsuyoshi OhtaTakeshi UchiharaTakahiro KawanoYuji Kato
    • H01L29/00
    • H01L29/7813H01L29/42372H01L29/42376H01L29/4238H01L29/7811
    • There is provided a semiconductor device comprising: a first semiconductor layer of a first conductivity type; a second semiconductor layer of a second conductivity type provided on the first semiconductor layer of the first conductivity type; a semiconductor region of the first conductivity type selectively provided on a front surface portion of the second semiconductor layer of the second conductivity type; a first main electrode provided in contact with a surface of the semiconductor region; a second main electrode provided on a side of the first semiconductor layer of the first conductivity type, the side being opposite to the surface on which the second semiconductor layer of the second conductivity type is provided; a gate wiring provided on the second semiconductor layer of the second conductivity type around an element region in which the semiconductor region is provided; a trench penetrating the second semiconductor layer of the second conductivity type to reach the first semiconductor layer of the first conductivity type, and also extending under the element region and the gate wiring; a gate electrode provided inside the trench in the element region with a gate insulating film interposed in between; and a gate electrode lead portion provided inside the trench under the gate wiring with the gate insulating film interposed in between, and contacting the gate wiring and the gate electrode.
    • 提供一种半导体器件,包括:第一导电类型的第一半导体层; 设置在第一导电类型的第一半导体层上的第二导电类型的第二半导体层; 选择性地设置在第二导电类型的第二半导体层的前表面部分上的第一导电类型的半导体区域; 设置成与所述半导体区域的表面接触的第一主电极; 设置在第一导电类型的第一半导体层的一侧的第二主电极,与设置有第二导电类型的第二半导体层的表面相对的一侧; 围绕设置有半导体区域的元件区域设置在第二导电类型的第二半导体层上的栅极布线; 穿过第二导电类型的第二半导体层的沟槽到达第一导电类型的第一半导体层,并且还在元件区域和栅极布线之下延伸; 设置在所述元件区域的所述沟槽内部的栅电极,其间插入有栅极绝缘膜; 以及栅极引线部分,其设置在栅极布线下方的沟槽内部,栅极绝缘膜介于其间并与栅极布线和栅电极接触。
    • 9. 发明申请
    • Wireless communication apparatus having equalizer
    • 具有均衡器的无线通信装置
    • US20080112478A1
    • 2008-05-15
    • US11979797
    • 2007-11-08
    • Takahiro Kawano
    • Takahiro Kawano
    • H03H7/30
    • H04L25/03159H04L2025/03414
    • Receiving a transmission line estimation sequence, a wireless communication apparatus generates a transmission line characteristic estimation value for each of a plurality of sub-carriers and smoothes the transmission line characteristic estimation value of a target sub-carrier to be processed and the transmission line characteristic estimation value of its adjacent sub-carrier. The apparatus includes a determination unit for determining whether or not the adjacent sub-carrier, is a null sub-carrier and a smoothing unit for smoothing the transmission line characteristic estimation value of the target sub-carrier by excluding the transmission line characteristic estimation value of the adjacent sub-carrier determined as a null carrier by the determination unit.
    • 接收传输线估计序列,无线通信装置为多个副载波中的每一个生成传输线特性估计值,并对待处理的目标副载波的传输线特性估计值进行平滑化,并且传输线特性估计 其相邻副载波的值。 该装置包括用于确定相邻副载波是否为空子载波的确定单元和用于通过排除目标副载波的传输线特性估计值来平滑化的传输线特性估计值的平滑单元, 所述相邻子载波由所述确定单元确定为空载波。