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    • 81. 发明授权
    • Semiconductor device
    • 半导体器件
    • US07986177B2
    • 2011-07-26
    • US12494355
    • 2009-06-30
    • Ja-Beom KooDong-Suk Shin
    • Ja-Beom KooDong-Suk Shin
    • H03L7/06
    • H03L7/0812H03K5/133H03K2005/00026H03L7/087
    • A semiconductor device, includes a clock delay unit configured to include a plurality of delay units connected in series, where the delay amount of each delay unit varies depending on a level of a control voltage, for delaying a source clock to generate a feedback clock and mixing clocks outputted from the respective delay units to generate a frequency multiplication clock, a harmonic lock determination unit configured to determine whether a harmonic lock has occurred based on a frequency difference between the source clock and the frequency multiplication clock, and a control voltage generator configured to adjust a level of the control voltage based on a phase difference between the source clock and the feedback clock and a determination result of the harmonic lock determination unit.
    • 一种半导体器件,包括:时钟延迟单元,被配置为包括串联连接的多个延迟单元,其中每个延迟单元的延迟量根据控制电压的电平而变化,用于延迟源时钟以产生反馈时钟; 从相应的延迟单元输出的混合时钟以产生倍频时钟;谐波锁定确定单元,被配置为基于源时钟和倍频时钟之间的频率差来确定是否发生了谐波锁定;以及控制电压发生器, 基于源时钟和反馈时钟之间的相位差以及谐波锁定确定单元的确定结果来调节控制电压的电平。
    • 88. 发明申请
    • DUTY CYCLE CORRECTING CIRCUIT AND METHOD
    • 占空比校正电路和方法
    • US20090058483A1
    • 2009-03-05
    • US12200747
    • 2008-08-28
    • Dong-Suk ShinHyun-Woo LeeWon-Joo Yun
    • Dong-Suk ShinHyun-Woo LeeWon-Joo Yun
    • H03K3/017
    • H03K5/1565
    • A duty cycle correcting circuit includes a duty detector that detects a duty ratio of an output clock signal to output a duty detection signal, a variable delay unit that outputs a delay clock signal obtained by variably delaying a input signal according to the duty detection signal, and a pulse width modulating unit that generates a first clock signal that is at a high level when both the input clock signal and the delay clock signal are at a high level and generates a second clock signal that is at a high level when any of the input clock signal and the delay clock signal is at a high level, wherein the pulse width modulating unit selectively outputs the first clock signal or the second clock signal as the output clock signal.
    • 占空比校正电路包括检测输出时钟信号的占空比以输出占空比检测信号的占空比检测器,输出通过根据占空比检测信号可变地延迟输入信号而获得的延迟时钟信号的可变延迟单元, 以及脉冲宽度调制单元,当所述输入时钟信号和所述延迟时钟信号都处于高电平时,产生处于高电平的第一时钟信号,并且当所述第二时钟信号为 输入时钟信号和延迟时钟信号处于高电平,其中脉冲宽度调制单元选择性地输出第一时钟信号或第二时钟信号作为输出时钟信号。
    • 89. 发明申请
    • SEMICONDUCTOR DEVICES INCLUDING TRENCH ISOLATION STRUCTURES AND METHODS OF FORMING THE SAME
    • 包括耐热隔离结构的半导体器件及其形成方法
    • US20080166854A1
    • 2008-07-10
    • US12052257
    • 2008-03-20
    • Dong-Suk ShinTae-Gyun Kim
    • Dong-Suk ShinTae-Gyun Kim
    • H01L21/76
    • H01L21/76229H01L21/76232
    • Trench isolation methods include forming a first trench and a second trench in a semiconductor substrate. The second trench has a larger width than the first trench. A tower isolation layer is formed on the semiconductor substrate using a first high density plasma deposition process. The lower isolation layer has a first thickness on an upper sidewall of the first trench and a second thickness on an upper sidewall of the second trench. The second thickness is greater than the first thickness. An upper isolation layer is formed on the semiconductor substrate including the lower isolation layer using a second high density plasma deposition process, different from the first high density plasma deposition process. The second high density plasma deposition process includes an H2 treatment process.
    • 沟槽隔离方法包括在半导体衬底中形成第一沟槽和第二沟槽。 第二沟槽具有比第一沟槽更大的宽度。 使用第一高密度等离子体沉积工艺在半导体衬底上形成塔隔离层。 下隔离层在第​​一沟槽的上侧壁上具有第一厚度,在第二沟槽的上侧壁上具有第二厚度。 第二厚度大于第一厚度。 使用不同于第一高密度等离子体沉积工艺的第二高密度等离子体沉积工艺在包括下隔离层的半导体衬底上形成上隔离层。 第二高密度等离子体沉积工艺包括H 2 N 2处理工艺。