公开(公告)号：US20140240894A1

公开(公告)日：2014-08-28

申请号：US14239346

申请日：2012-08-21

Applicant: King Abdullah University of Science and Technology

Inventor： Amro M. Elshurafa ,  Ahmed Gomaa Ahmed Radwan ,  Ahmed A. Emira ,  Khaled Nabil Salama

IPC: H01G7/00 ,  H01G5/16 ,  H01G13/00

CPC classification number: H01L28/40 ,  H01G5/16 ,  H01G5/18 ,  H01G7/00 ,  H01G13/00 ,  H01L28/86 ,  Y10T29/43

Abstract: In accordance with the present disclosure, one embodiment of a fractal variable capacitor comprises a capacitor body in a microelectromechanical system (MEMS) structure, wherein the capacitor body has an upper first metal plate with a fractal shape separated by a vertical distance from a lower first metal plate with a complementary fractal shape; and a substrate above which the capacitor body is suspended.

Abstract translation: 根据本公开，分形可变电容器的一个实施例包括在微机电系统（MEMS）结构中的电容器主体，其中电容器主体具有分隔形状的上部第一金属板，其具有与下部第一 具有互补分形的金属板; 以及其上悬挂有电容器主体的基板。

公开(公告)号：US20140300409A1

公开(公告)日：2014-10-09

申请号：US14239335

申请日：2012-08-24

Applicant: King Abdullah University of Science and Technology

Inventor： Ahmed A. Emira ,  Mohamed Abdelghany ,  Mohannad Yomn Elsayed ,  Amro M. Elshurafa ,  Khaled Nabil Salama

IPC: H02M3/07

CPC classification number: H02M3/07 ,  H02M3/073

Abstract: Various embodiments of a high voltage charge pump are described. One embodiment is a charge pump circuit that comprises a plurality of switching stages each including a clock input, a clock input inverse, a clock output, and a clock output inverse. The circuit further comprises a plurality of pumping capacitors, wherein one or more pumping capacitors are coupled to a corresponding switching stage. The circuit also comprises a maximum selection circuit coupled to a last switching stage among the plurality of switching stages, the maximum selection circuit configured to filter noise on the output clock and the output clock inverse of the last switching stage, the maximum selection circuit further configured to generate a DC output voltage based on the output clock and the output clock inverse of the last switching stage.

Abstract translation: 描述高压电荷泵的各种实施例。 一个实施例是一种电荷泵电路，其包括多个开关级，每个开关级包括时钟输入，时钟输入反相，时钟输出和时钟输出反相。 电路还包括多个泵浦电容器，其中一个或多个泵浦电容器耦合到相应的开关级。 所述电路还包括耦合到所述多个开关级之间的最后切换级的最大选择电路，所述最大选择电路被配置为滤波所述输出时钟上的噪声和所述最后切换级的所述输出时钟反相，所述最大选择电路还被配置 以产生基于最后切换级的输出时钟和输出时钟反相的DC输出电压。

公开(公告)号：US20140239446A1

公开(公告)日：2014-08-28

申请号：US14239234

申请日：2012-08-17

Applicant: King Abdullah University of Science and Technology

Inventor： Amro M. Elshurafa ,  Ahmed Gomaa Ahmed Radwan ,  Ahmed A. Emira ,  Khaled Nabil Salama

IPC: H01L49/02

CPC classification number: H01L28/40 ,  H01G5/16 ,  H01G5/18 ,  H01G7/00 ,  H01G13/00 ,  H01L28/86 ,  Y10T29/43

Abstract: An embodiment of a fractal fixed capacitor comprises a capacitor body in a microelectromechanical system (MEMS) structure. The capacitor body has a first plate with a fractal shape separated by a horizontal distance from a second plate with a fractal shape. The first plate and the second plate are within the same plane. Such a fractal fixed capacitor further comprises a substrate above which the capacitor body is positioned.

Abstract translation: 分形固定电容器的实施例包括在微机电系统（MEMS）结构中的电容器体。 电容器本体具有与具有分形形状的第二板隔开水平距离的分形形状的第一板。 第一板和第二板在同一平面内。 这种分形固定电容器还包括基板，电容器本体位于该基板上。