Patents by Inventor George Xinsheng Guo

George Xinsheng Guo 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: 20240026543
    Abstract: A plasma deposition apparatus includes a vacuum chamber, and a workpiece assembly that includes a frame that can hold a plurality of workpieces, and gas channels formed in between the workpieces and the frames. The gas channels can transport gas from a gas source to the plurality of workpieces to produce material deposition on the workpieces. The workpiece assembly can form a cylinder in the vacuum chamber.
    Type: Application
    Filed: July 24, 2023
    Publication date: January 25, 2024
    Applicant: Ascentool, Inc.
    Inventor: George Xinsheng Guo
  • Publication number: 20240021411
    Abstract: A plasma deposition apparatus includes a first plasma source that can produce a first plasma confined in a magnetic field, which includes: a gas distribution device configured to supply a gas, a closed-loop electrode defining a center region therein and a central axis through the central region and one or more magnets that are outside an inner surface of the closed-loop electrode. The one or more magnets can produce the magnetic field in the center region. The closed-loop electrode and the one or more magnets can produce the first plasma of activated atoms, molecules, electrons, and ions from the gas. A collimator can collimate the activated atoms, molecules, electrons, and ions produced by the first plasma source and direct the ions to a substrate.
    Type: Application
    Filed: July 8, 2023
    Publication date: January 18, 2024
    Applicant: Ascentool, Inc.
    Inventor: George Xinsheng Guo
  • Publication number: 20240021421
    Abstract: A plasma deposition apparatus includes a first plasma source that can produce a plasma confined in a magnetic field. The first plasma source includes a closed-loop electrode defining a center region therein and a central axis through the central region, and one or more magnets that are outside an inner surface of the closed-loop electrode. The magnets can produce a magnetic field in the center region. The one or more magnets can be at least partially embedded in the closed-loop electrode. The closed-loop electrode and the magnets can produce a plasma of ions to sputter atoms off a sputtering target or a backing plate.
    Type: Application
    Filed: July 5, 2023
    Publication date: January 18, 2024
    Applicant: Ascentool, Inc.
    Inventor: George Xinsheng Guo
  • Publication number: 20230051124
    Abstract: A controlled nuclear fusion system includes a vacuum chamber, an electrode cage shaped in a first closed-loop tube in the vacuum chamber, wherein the electrode cage comprises electrically conductive wires configured to confine ions and electrons in the electrode cage and a toroidal electromagnetic coil coiled around outside of the electrode cage and configured to produce a closed-loop magnetic flux in the electrode cage.
    Type: Application
    Filed: August 11, 2022
    Publication date: February 16, 2023
    Inventor: George Xinsheng Guo
  • Publication number: 20220380889
    Abstract: A versatile high throughput deposition apparatus includes a process chamber and a workpiece platform in the process chamber. The workpiece platform can hold a plurality of workpieces around a center region and to rotate the plurality of workpieces around the center region. Each of the plurality of workpieces includes a deposition surface facing the center region. A gas distribution system can distribute a vapor gas in the center region of the process chamber to deposit a material on the deposition surfaces on the plurality of workpieces. A magnetron apparatus can form a closed-loop magnetic field near the plurality of workpieces. The plurality of workpieces can be electrically biased to produce a plasma near the deposition surfaces on the plurality of workpieces.
    Type: Application
    Filed: May 10, 2022
    Publication date: December 1, 2022
    Inventor: George Xinsheng Guo
  • Patent number: 11359284
    Abstract: A high throughput deposition apparatus includes a process chamber, a plurality of targets that form a first closed loop in the process chamber, wherein the first closed loop includes a long dimension defined by at least a first pair of targets and a short dimension defined by at least a second pair of targets, a first substrate carrier assembly that can hold one or more substrates and configured to receive a deposition material from the plurality of targets in the first closed loop, and a transport mechanism that can move the first substrate carrier assembly along an axial direction through the first closed loop in the first process chamber.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: June 14, 2022
    Assignee: Ascentool, Inc.
    Inventor: George Xinsheng Guo
  • Publication number: 20210375573
    Abstract: An Inverted Cylindrical Magnetron (ICM) System and Methods of Use is disclosed herein generally comprising a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; and a plurality of multi-zone electromagnets or hybrid electro-permanent magnets surrounding the exterior of the process chamber providing a tunable magnetic field.
    Type: Application
    Filed: May 11, 2021
    Publication date: December 2, 2021
    Inventors: Tianzong Xu, George Xinsheng Guo, Oahn Nguyen
  • Publication number: 20210164099
    Abstract: A high throughput deposition apparatus includes a process chamber, a plurality of targets that form a first closed loop in the process chamber, wherein the first closed loop includes a long dimension defined by at least a first pair of targets and a short dimension defined by at least a second pair of targets, a first substrate carrier assembly that can hold one or more substrates and configured to receive a deposition material from the plurality of targets in the first closed loop, and a transport mechanism that can move the first substrate carrier assembly along an axial direction through the first closed loop in the first process chamber.
    Type: Application
    Filed: February 16, 2021
    Publication date: June 3, 2021
    Inventor: George Xinsheng Guo
  • Patent number: 11004644
    Abstract: An Inverted Cylindrical Magnetron (ICM) System and Methods of Use is disclosed herein generally comprising a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; and a plurality of multi-zone electromagnets or hybrid electro-permanent magnets surrounding the exterior of the process chamber providing a tunable magnetic field.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: May 11, 2021
    Assignee: Vactronix Scientific, LLC
    Inventors: Tianzong Xu, George Xinsheng Guo, Oahn Nguyen
  • Patent number: 10954598
    Abstract: A high throughput deposition apparatus includes a process chamber, a plurality of targets that form a first closed loop in the process chamber, wherein the first closed loop includes a long dimension defined by at least a first pair of targets and a short dimension defined by at least a second pair of targets, a first substrate carrier assembly that can hold one or more substrates and configured to receive a deposition material from the plurality of targets in the first closed loop, and a transport mechanism that can move the first substrate carrier assembly along an axial direction through the first closed loop in the first process chamber.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: March 23, 2021
    Inventor: George Xinsheng Guo
  • Publication number: 20200411341
    Abstract: The present invention provides a system of processing one or more substrates with very high efficiency. The processing system in descriptions comprises a first process chamber with various features to improve efficiency and a transfer chamber that couples to the first process chamber with various features to improve efficiency. In addition, a second process chamber and load-locks may be used to improve efficiency furthermore. This system can increases number of the substrates in processing chamber, enable multiple processes and process sequences to be carried out in the same system, and provide high throughput substrate processing.
    Type: Application
    Filed: June 29, 2019
    Publication date: December 31, 2020
    Inventor: George Xinsheng Guo
  • Publication number: 20200109473
    Abstract: A high throughput deposition apparatus includes a vacuum chamber comprising a first processing chamber, a plurality of elongated deposition sources in parallel in the first processing chamber, wherein each of the elongated deposition sources can include a gas distribution channel that provides a deposition material in a gas form, and an electrode configured to generate a plasma in the deposition material, and a web transport mechanism configured to move a plurality of workpiece webs passing by the elongated deposition sources in the first processing chamber. The plurality of workpiece webs are parallel to each other and are configured to receive the deposition material in the first process chamber.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 9, 2020
    Inventor: George Xinsheng Guo
  • Patent number: 10340166
    Abstract: The present invention describe a substrate handling system that exerts no or controllable external forces to hold substrates, does not contact front or back of the substrates, has minimum contact with side edge area of the substrate, can hold one or two substrate to each position, can be positioned in any orientation, and can be easily handled by human or robots. In the case that no deposition materials is desirable on the edge or sides of substrate, a self-aligned mask that can be attached to the substrate carrier is presented.
    Type: Grant
    Filed: November 22, 2015
    Date of Patent: July 2, 2019
    Inventor: George Xinsheng Guo
  • Publication number: 20180245217
    Abstract: A high throughput deposition apparatus includes a process chamber, a plurality of targets that form a first closed loop in the process chamber, wherein the first closed loop includes a long dimension defined by at least a first pair of targets and a short dimension defined by at least a second pair of targets, a first substrate carrier assembly that can hold one or more substrates and configured to receive a deposition material from the plurality of targets in the first closed loop, and a transport mechanism that can move the first substrate carrier assembly along an axial direction through the first closed loop in the first process chamber.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 30, 2018
    Inventor: George Xinsheng Guo
  • Publication number: 20170301502
    Abstract: An Inverted Cylindrical Magnetron (ICM) System and Methods of Use is disclosed herein generally comprising a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; and a plurality of multi-zone electromagnets or hybrid electro-permanent magnets surrounding the exterior of the process chamber providing a tunable magnetic field.
    Type: Application
    Filed: May 1, 2017
    Publication date: October 19, 2017
    Inventors: Tianzong Xu, George Xinsheng GUO, Oahn NGUYEN
  • Publication number: 20170275762
    Abstract: The present application discloses a new type of deposition source, where individual sources are placed in a substantial closed loop. The closed polygon deposition sources have no end in circumference and enable better deposition uniformity. A closed loop deposition sources minimize the edge effects in sputtering, chemical vapor deposition (CVD) and plasma enhanced chemical vapor deposition (PECVD) and increase deposition material utilization.
    Type: Application
    Filed: October 13, 2015
    Publication date: September 28, 2017
    Inventor: George Xinsheng Guo
  • Publication number: 20170144186
    Abstract: The present invention describe a substrate handling system that exerts no or controllable external forces to hold substrates, does not contact front or back of the substrates, has minimum contact with side edge area of the substrate, can hold one or two substrate to each position, can be positioned in any orientation, and can be easily handled by human or robots. In the case that no deposition materials is desirable on the edge or sides of substrate, a self-aligned mask that can be attached to the substrate carrier is presented.
    Type: Application
    Filed: November 22, 2015
    Publication date: May 25, 2017
    Inventor: George Xinsheng Guo
  • Patent number: 9640359
    Abstract: An Inverted Cylindrical Magnetron (ICM) System and Methods of Use is disclosed herein generally comprising a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; and a plurality of multi-zone electromagnets or hybrid electro-permanent magnets surrounding the exterior of the process chamber providing a tunable magnetic field.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: May 2, 2017
    Assignee: Vactronix Scientific, Inc.
    Inventors: Tianzong Xu, George Xinsheng Guo, Oanh Nguyen
  • Publication number: 20140042022
    Abstract: An Inverted Cylindrical Magnetron (ICM) System and Methods of Use is disclosed herein generally comprising a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; and a plurality of multi-zone electromagnets or hybrid electro-permanent magnets surrounding the exterior of the process chamber providing a tunable magnetic field.
    Type: Application
    Filed: March 7, 2013
    Publication date: February 13, 2014
    Applicant: Palmaz Scientific, Inc.
    Inventors: Tianzong Xu, George Xinsheng Guo, Oanh Nguyen
  • Patent number: 7874783
    Abstract: An apparatus for processing a work piece in a vacuum environment includes a master process chamber that can be exhausted to a sub-atmospheric air pressure or to be filled with a desirable gas, a transfer chamber configured to receive the work piece from outside of the master process chamber, one or more processing stations inside the master process chamber, a rotation plate configured to receive the work piece and to move the work piece to receive one or more processing operations, and a first transport mechanism configured to transfer the work piece from the transfer chamber on to the rotation plate. The transfer chamber is at least partially enclosed in the master process chamber and can be vacuum sealed off from the master process chamber.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: January 25, 2011
    Assignee: Ascentool, Inc.
    Inventors: George Xinsheng Guo, Kai-an Wang