Patents by Inventor Qinghua HAN

Qinghua HAN 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).

  • Publication number: 20230006061
    Abstract: Embodiments of the present disclosure provide a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: a base; bit lines, located on the base, and a material of the bit line including a metal semiconductor compound; semiconductor channels, each including a first doped region, a channel region and a second doped region arranged in sequence, and the first doped region being in contact with the bit line; a first dielectric layer, covering sidewall surfaces of the first doped regions, and a first interval being provided between parts of the first dielectric layer covering sidewalls of adjacent first doped regions on a same bit line; an insulating layer, covering sidewall surfaces of the channel regions; word lines, covering a sidewall surface of the insulating layer away from the channel regions, and a second interval being provided between adjacent word lines.
    Type: Application
    Filed: January 24, 2022
    Publication date: January 5, 2023
    Inventor: Qinghua HAN
  • Publication number: 20230005923
    Abstract: The present disclosure provides a semiconductor structure and a manufacturing method thereof. The manufacturing method includes: providing a base; forming bit lines on the base, and forming semiconductor channels on surfaces of the bit lines away from the base, the semiconductor channel including a first doped region, a channel region and a second doped region arranged sequentially; forming a first dielectric layer, the first dielectric layer surrounding sidewalls of the semiconductor channels, and a first gap being provided between parts of the first dielectric layer located on sidewalls of adjacent semiconductor channels on a same bit line; forming a second dielectric layer, the second dielectric layer filling up the first gaps, and a material of the second dielectric layer being different from a material of the first dielectric layer; removing a part of the first dielectric layer to expose sidewalls of the channel regions.
    Type: Application
    Filed: April 13, 2022
    Publication date: January 5, 2023
    Inventor: Qinghua HAN
  • Publication number: 20220310400
    Abstract: Embodiments of the present application provide a semiconductor structure and a manufacturing method thereof. The semiconductor structure manufacturing method includes: providing a base substrate and an array region, the array region being composed of strip structures arranged in parallel, the base substrate being made of a same material as the array region, and a thickness of the base substrate being greater than a thickness of the array region; etching the strip structure to form discrete first strip structures; base substrate providing a second mask layer, an opening pattern of the second mask layer exposing the to-be-etched region and the side plane, and a right angle being formed between an orthographic projection of the side plane and the opening pattern; form a first active region, the first active region having a mapping right angle corresponding to the right angle.
    Type: Application
    Filed: November 22, 2021
    Publication date: September 29, 2022
    Inventor: Qinghua HAN
  • Patent number: 11248987
    Abstract: The present invention relates to an embedded shaking table with heavy load capacity and extensible test frequency and area, comprising a shaking table body; the shaking table body is arranged in a building foundation in which a long-stroke groove is formed, a plurality of long-stroke servo actuators are horizontally and vertically hinged in the shaking table; a short-stroke groove being formed on the upper end of the shaking table body; an excitation platform being arranged in the short-stroke groove; a plurality of short-stroke servo actuators are horizontally and vertically hinged in the shaking table. The present invention is aimed at providing a large-scale and heavy-load embedded shaking table that can meet the test requirements of realizing long stroke and high-frequency loading.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: February 15, 2022
    Assignee: TIANJIN UNIVERSITY
    Inventors: Qinghua Han, Mingjie Liu, Hao Wu, Yundong Shi, Jinbao Ji
  • Patent number: 11248986
    Abstract: The present invention relates to a modular shaking table with heavy load capacity and extensible test frequency and area, comprising a shaking table body; the shaking table body is arranged in a building foundation in which a long-stroke groove is formed, long-stroke servo actuators are horizontally and vertically hinged in the modular shaking table; and an integration foundation is fixedly arranged on the upper end face of the shaking table body; an excitation platform is arranged in a short-stroke groove that is formed in the integration foundation, short-stroke servo actuators are horizontally and vertically hinged in the modular shaking table. The present invention is aimed at providing a large-scale and heavy-load modular shaking table that can meet the test requirements of realizing long stroke and high-frequency loading.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: February 15, 2022
    Assignee: TIANJIN UNIVERSITY
    Inventors: Qinghua Han, Mingjie Liu, Hao Wu, Yundong Shi, Jinbao Ji
  • Publication number: 20210262890
    Abstract: The present invention relates to a modular shaking table with heavy load capacity and extensible test frequency and area, comprising a shaking table body; the shaking table body is arranged in a building foundation in which a long-stroke groove is formed, long-stroke servo actuators are horizontally and vertically hinged in the modular shaking table; and an integration foundation is fixedly arranged on the upper end face of the shaking table body; an excitation platform is arranged in a short-stroke groove that is formed in the integration foundation, short-stroke servo actuators are horizontally and vertically hinged in the modular shaking table. The present invention is aimed at providing a large-scale and heavy-load modular shaking table that can meet the test requirements of realizing long stroke and high-frequency loading.
    Type: Application
    Filed: September 7, 2020
    Publication date: August 26, 2021
    Inventors: Qinghua HAN, Mingjie LIU, Hao WU, Yundong SHI, Jinbao JI
  • Publication number: 20210262891
    Abstract: The present invention relates to an embedded shaking table with heavy load capacity and extensible test frequency and area, comprising a shaking table body; the shaking table body is arranged in a building foundation in which a long-stroke groove is formed, a plurality of long-stroke servo actuators are horizontally and vertically hinged in the shaking table; a short-stroke groove being formed on the upper end of the shaking table body; an excitation platform being arranged in the short-stroke groove; a plurality of short-stroke servo actuators are horizontally and vertically hinged in the shaking table. The present invention is aimed at providing a large-scale and heavy-load embedded shaking table that can meet the test requirements of realizing long stroke and high-frequency loading.
    Type: Application
    Filed: September 7, 2020
    Publication date: August 26, 2021
    Inventors: Qinghua HAN, Mingjie LIU, Hao WU, Yundong SHI, Jinbao JI