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    • 2. 发明授权
    • Low-dropout regulator, power management system, and method of controlling low-dropout voltage
    • 低压差稳压器,电源管理系统以及低压差电压控制方法
    • US09213347B2
    • 2015-12-15
    • US14556110
    • 2014-11-29
    • Je-Kook KimSang-Yong ParkChan-Woo ParkYoung-Hoon LeeByeong-Ha Park
    • Je-Kook KimSang-Yong ParkChan-Woo ParkYoung-Hoon LeeByeong-Ha Park
    • G05F1/575
    • G05F1/575
    • A low-dropout regulator comprises an analog-to-digital converter that converts a feedback analog voltage signal into a digital signal, a phase synthesizing unit that generates a first control signal having a pulse width corresponding to error information in the digital signal by performing phase synthesis according to clock skew control, a charge pump circuit that selects a charge loop or a discharge loop based on polarity information in the digital signal, and generates an output control voltage according to current that flows during a period corresponding to the pulse width of the first control signal in the selected loop, and an output circuit that generates an output voltage based on an input voltage and the output control voltage, and generates the feedback analog voltage signal based on the output voltage.
    • 低压差稳压器包括将反馈模拟电压信号转换为数字信号的模数转换器,相位合成单元,通过执行相位产生具有对应于数字信号中的误差信息的脉冲宽度的第一控制信号 根据时钟偏移控制进行合成的电荷泵电路,根据数字信号中的极性信息选择充电回路或放电回路的电荷泵电路,并根据在与脉冲宽度对应的周期期间流动的电流产生输出控制电压 所选择的回路中的第一控制信号,以及基于输入电压和输出控制电压产生输出电压的输出电路,并且基于输出电压生成反馈模拟电压信号。
    • 10. 发明授权
    • Method of forming patterns for semiconductor device
    • 形成半导体器件图案的方法
    • US08318603B2
    • 2012-11-27
    • US12653588
    • 2009-12-16
    • Young-Ho LeeJae-Hwang SimSang-Yong ParkKyung-Lyul Moon
    • Young-Ho LeeJae-Hwang SimSang-Yong ParkKyung-Lyul Moon
    • H01L21/311
    • H01L23/528H01L21/0337H01L21/0338H01L21/3086H01L21/3088H01L21/31144H01L21/76229H01L21/76816H01L21/76838H01L27/10814H01L27/10855H01L27/11519H01L27/11526H01L2924/0002H01L2924/00
    • Provided is a method of forming patterns for a semiconductor device in which fine patterns and large-width patterns are formed simultaneously and adjacent to each other. In the method, a first layer is formed on a substrate so as to cover a first region and a second region which are included in the substrate. Both a blocking pattern covering a portion of the first layer in the first region and a low-density large-width pattern covering a portion of the first layer in the second region are simultaneously formed. A plurality of sacrificial mask patterns are formed on the first layer and the blocking pattern in the first region. A plurality of spacers covering exposed sidewalls of the plurality of sacrificial mask patterns are formed. The plurality of sacrificial mask patterns are removed. The first layer in the first and second regions are simultaneously etched by using the plurality of spacers and the blocking pattern as etch masks in the first region and using the low-density large-width pattern as an etch mask in the second region.
    • 提供一种形成半导体器件的图案的方法,其中精细图案和大幅图案同时并且彼此相邻地形成。 在该方法中,在衬底上形成第一层以覆盖包括在衬底中的第一区域和第二区域。 同时形成覆盖第一区域中的第一层的一部分的阻挡图案和覆盖第二区域中的第一层的一部分的低密度大图案。 在第一层上形成多个牺牲掩模图案,并在第一区域中形成阻挡图案。 形成覆盖多个牺牲掩模图案的暴露侧壁的多个间隔物。 去除多个牺牲掩模图案。 通过使用多个间隔物和阻挡图案作为第一区域中的蚀刻掩模并且在第二区域中使用低密度大宽度图案作为蚀刻掩模,同时蚀刻第一和第二区域中的第一层。