Patents by Inventor Yuanzhi MA

Yuanzhi MA 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: 20240098969
    Abstract: Systems, methods and apparatus are provided for an array of vertically stacked memory cells having horizontally oriented access devices and storage nodes formed in tiers. And, more particularly, to multiple, alternating silicon germanium (SiGe) and single crystalline silicon (Si) in different thicknesses to form tiers in which to form the horizontal access devices in vertical three-dimensional (3D) memory. The horizontally oriented access devices can have a first source/drain regions and a second source drain regions separated by single crystalline silicon (Si) channel regions. The single crystalline silicon (Si) channel regions can include a dielectric material to provide support structure to the single crystalline channel regions when forming the horizontal access devices in vertical three-dimensional (3D) memory. Horizontally oriented access lines can connect to gate structures opposing the channel regions. Vertical digit lines coupled to the first source/drain regions.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 21, 2024
    Inventors: David K. Hwang, Yoshitaka Nakamura, Scott E. Sills, Si-Woo Lee, Yuanzhi Ma, Glen H. Walters
  • Publication number: 20240098970
    Abstract: Systems, methods and apparatus are provided for an array of vertically stacked memory cells having horizontally oriented access devices and storage nodes. The horizontally oriented access devices having a first source/drain regions and a second source drain regions separated by silicon (Si) channel regions. A digit line having a global digit line (GDL) contact is formed in a trench adjacent to the first source/drain regions. In one example, the digit line is electrically isolated from a neighboring digit line at the bottom of the trench. In another example, the digit line is formed continuously along a bottom surface of trench to form shared digit lines between horizontal access devices, in two separate arrays, on opposing second vertical surfaces. The memory cells have horizontally oriented storage nodes coupled to the second source/drain regions and vertical digit lines coupled to the first source/drain regions.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 21, 2024
    Inventors: Scott E. Sills, Si-Woo Lee, David K. Hwang, Yoshitaka Nakamura, Yuanzhi Ma, Glen H. Walters
  • Publication number: 20240074141
    Abstract: Methods and devices for a lateral three-dimensional memory device, are described herein. One method includes forming a thin film transistor including a first thermal process having a first range of temperatures, forming a capacitor bottom electrode of a capacitor structure including a second thermal process having a second range of temperature, wherein a maximum temperature in the second range of temperatures is less than a maximum temperature in the first range of temperatures, forming a CMOS structure including a third thermal process having a third range of temperatures, wherein a maximum temperature in the third range of temperatures is less than a maximum temperature in the second range of temperatures, and forming at least one other part of the capacitor structure.
    Type: Application
    Filed: August 24, 2022
    Publication date: February 29, 2024
    Inventors: Yoshitaka Nakamura, Yuanzhi Ma, Scott E. Sills, Si-Woo Lee, David K. Hwang
  • Publication number: 20230397390
    Abstract: Systems, methods and apparatus are provided for an array of vertically stacked memory cells having horizontally oriented access devices and storage nodes formed in tiers. And, more particularly, to multiple, alternating epitaxially grown silicon germanium (SiGe) and single crystalline silicon (Si) in different thicknesses to form tiers in which to form the horizontal access devices in vertical three dimensional (3D) memory. The horizontally oriented access devices can have a first source/drain regions and a second source drain regions separated by epitaxially grown, single crystalline silicon (Si) channel regions. Horizontally oriented access lines can connect to gate all around (GAA) structures opposing the channel regions. Vertical digit lines coupled to the first source/drain regions.
    Type: Application
    Filed: August 15, 2022
    Publication date: December 7, 2023
    Inventors: David K. Hwang, John F. Kaeding, Matthew S. Thorum, Yuanzhi Ma, Scott E. Sills, Si-Woo Lee, Yoshitaka Nakamura, Glen H. Walters
  • Publication number: 20230397391
    Abstract: Systems, methods and apparatus are provided for an array of vertically stacked memory cells having horizontally oriented access devices and storage nodes. The horizontally oriented access devices having a first source/drain regions and a second source drain regions separated by epitaxially grown, single crystalline silicon (Si) channel regions. A support structure is provided to the epitaxially grown, single crystalline Si. Horizontally oriented access lines connect to gates opposing the channel regions formed fully around every surface of the channel region as gate all around (GAA) structures separated from the channel regions by gate dielectrics. The memory cells have horizontally oriented storage nodes coupled to the second source/drain regions and vertical digit lines coupled to the first source/drain regions.
    Type: Application
    Filed: August 15, 2022
    Publication date: December 7, 2023
    Inventors: Si-Woo Lee, Scott E. Sills, David K. Hwang, Yoshitaka Nakamura, Yuanzhi Ma, Glen H. Walters
  • Patent number: 10781815
    Abstract: The present invention discloses a large-flow plunger pump, comprising a box, a crank-link mechanism, a plunger, a suction valve and a discharge valve. On the basis of the conventional multi-cylinder plunger pumps, assemblies such as a detachable upper crosshead guide, an intelligent plunger packing lubrication system, a damping valve, crankshaft support roller assemblies, and a suction-pressure stabilizer having a cooling water coil therein are invented. Both the service life and the reliability of the large-flow plunger pumps are overall improved.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: September 22, 2020
    Assignee: JINTUO PETROLEUM MICHINERY MANUFACTURING CO., LTD.
    Inventors: Yuanzhi Ma, Qinghe Gao
  • Publication number: 20180135617
    Abstract: The present invention discloses a large-flow plunger pump, comprising a box, a crank-link mechanism, a plunger, a suction valve and a discharge valve. On the basis of the conventional multi-cylinder plunger pumps, assemblies such as a detachable upper crosshead guide, an intelligent plunger packing lubrication system, a damping valve, crankshaft support roller assemblies, and a suction-pressure stabilizer having a cooling water coil therein are invented. Both the service life and the reliability of the large-flow plunger pumps are overall improved.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 17, 2018
    Applicant: JINTUO PETROLEUM MACHINERY MANUFACTRING CO., LTD.
    Inventors: Yuanzhi MA, Qinghe GAO