Patents by Inventor Xiaofeng Su

Xiaofeng Su has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12273102
    Abstract: This application discloses a system for turning off power consumption of an auxiliary startup circuit. An oscillator generates a switch control signal based on a reference current output by a circuit to be started up to generate a working clock of a switch control signal generation circuit after the circuit to be started up works normally. After fixed clock signal counting, the switch control signal generation circuit outputs a switch control signal to control power consumption of normally open current of the auxiliary startup circuit to be turned off. At the same time, the switch control signal generation circuit stops counting the clock. This application can assist the circuit to be started up having a “degeneracy” bias point to power on normally, and can also turn off the power consumption of the auxiliary startup circuit after the circuit to be started up is powered on.
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: April 8, 2025
    Assignee: Shanghai Huali Microelectronics Corporation
    Inventors: Xiaofeng Su, Yifei Qian, Zhili Wang
  • Publication number: 20250080106
    Abstract: This application discloses a system for turning off power consumption of an auxiliary startup circuit. An oscillator generates a switch control signal based on a reference current output by a circuit to be started up to generate a working clock of a switch control signal generation circuit after the circuit to be started up works normally. After fixed clock signal counting, the switch control signal generation circuit outputs a switch control signal to control power consumption of normally open current of the auxiliary startup circuit to be turned off. At the same time, the switch control signal generation circuit stops counting the clock. This application can assist the circuit to be started up having a “degeneracy” bias point to power on normally, and can also turn off the power consumption of the auxiliary startup circuit after the circuit to be started up is powered on.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 6, 2025
    Applicant: Shanghai Huali Microelectronics Corporation
    Inventors: Xiaofeng Su, Yifei Qian, Zhili Wang
  • Patent number: 12165878
    Abstract: Provided herein are methods and related apparatus for mask reconstruction in an etch process. The methods involve depositing a sacrificial layer on the mask layer. The sacrificial layer may be used to protect portions of the mask layer during reshaping by inhibiting etching of or deposition on the mask layer position on the mask layer. Following mask reshaping, the sacrificial layer may be removed using the same etch process that is used to etch the target material.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: December 10, 2024
    Assignee: Lam Research Corporation
    Inventors: Zhongkui Tan, Xiaofeng Su, Hua Xiang, Ce Qin
  • Publication number: 20240379375
    Abstract: A method for etching features in a carbon containing layer below a mask is provided. A simultaneous etch and passivation step is provided comprising flowing an etch gas comprising a boron containing passivant gas and an oxygen containing gas. A plasma is created from the etch gas, wherein the plasma etches features in the carbon containing layer.
    Type: Application
    Filed: September 1, 2022
    Publication date: November 14, 2024
    Inventors: Xiaofeng SU, Priyadarsini SUBRAMANIAN, Zhongkui TAN, Yoshie KIMURA, Haoquan YAN, Denis Andreievich SYOMIN, Jing LI, Yijun CHEN
  • Publication number: 20220076962
    Abstract: Provided herein are methods and related apparatus for mask reconstruction in an etch process. The methods involve depositing a sacrificial layer on the mask layer. The sacrificial layer may be used to protect position on the mask layer. Following mask reshaping, the sacrificial layer may be removed using the same etch process that is used to etch the target material.
    Type: Application
    Filed: February 26, 2020
    Publication date: March 10, 2022
    Applicant: Lam Research Corporation
    Inventors: Zhongkui Tan, Xiaofeng Su, Hua Xiang, Ce Qin
  • Patent number: 10621862
    Abstract: A driving control method for an intersection traffic light array is provided. The intersection traffic light array includes Nxi horizontal ground traffic light sets. The Nxi horizontal ground traffic light sets include a horizontal ground traffic light set pxi which is disposed at an intersection safety line position of an entrance lane xi of a planar intersection. The Nxi horizontal ground traffic light sets further include a horizontal ground traffic light set qxi which is disposed at a stop line position of the entrance lane xi. Each horizontal ground traffic light set includes at least one traffic light, and part or all of traffic lights of a horizontal ground traffic light set i are provided with a wireless driving signal input port and/or a wired driving signal input port.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: April 14, 2020
    Assignee: Shenzhen Yijie Innovative Technology Co., Ltd.
    Inventor: Xiaofeng Su
  • Patent number: 10431079
    Abstract: A driving control apparatus for an intersection traffic light array is provided. The intersection traffic light array includes Nxi horizontal ground traffic light sets. The Nxi horizontal ground traffic light sets include a horizontal ground traffic light set pxi which is disposed at an intersection safety line position of an entrance lane xi of a planar intersection. The Nxi horizontal ground traffic light sets further include a horizontal ground traffic light set qxi which is disposed at a stop line position of the entrance lane xi. Each horizontal ground traffic light set includes at least one traffic light, and part or all of traffic lights of a horizontal ground traffic light set i are provided with a wireless driving signal input port and/or a wired driving signal input port.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: October 1, 2019
    Assignee: Shenzhen Yijie Innovative Technology Co., Ltd.
    Inventor: Xiaofeng Su
  • Publication number: 20180261086
    Abstract: A driving control apparatus for an intersection traffic light array is provided. The intersection traffic light array includes Nxi horizontal ground traffic light sets. The Nxi horizontal ground traffic light sets include a horizontal ground traffic light set pxi which is disposed at an intersection safety line position of an entrance lane xi of a planar intersection. The Nxi horizontal ground traffic light sets further include a horizontal ground traffic light set qxi which is disposed at a stop line position of the entrance lane xi. Each horizontal ground traffic light set includes at least one traffic light, and part or all of traffic lights of a horizontal ground traffic light set i are provided with a wireless driving signal input port and/or a wired driving signal input port.
    Type: Application
    Filed: May 15, 2018
    Publication date: September 13, 2018
    Inventor: Xiaofeng Su
  • Publication number: 20180253965
    Abstract: A driving control method for an intersection traffic light array is provided. The intersection traffic light array includes Nxi horizontal ground traffic light sets. The Nxi horizontal ground traffic light sets include a horizontal ground traffic light set pxi which is disposed at an intersection safety line position of an entrance lane xi of a planar intersection. The Nxi horizontal ground traffic light sets further include a horizontal ground traffic light set qxi which is disposed at a stop line position of the entrance lane xi. Each horizontal ground traffic light set includes at least one traffic light, and part or all of traffic lights of a horizontal ground traffic light set i are provided with a wireless driving signal input port and/or a wired driving signal input port.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventor: Xiaofeng Su