Patents by Inventor Quanyu SHI

Quanyu SHI 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: 11837491
    Abstract: The present disclosure provides an electrostatic chuck and a reaction chamber. The electrostatic chuck includes an insulation layer and a heating body arranged at a bottom of the insulation layer. The electrostatic chuck further includes a cooling pipeline. The cooling pipeline is arranged under the heating body, spaced apart from the heating body, and configured to transfer cooling liquid to absorb heat radiated by the heating body. The electrostatic chuck further includes a thin-wall structure respectively connected to the heating body and the cooling pipeline. The thin-wall structure is configured to reduce heat dissipation efficiency between the heating body and the cooling pipeline. The electrostatic chuck provided by the present disclosure may realize stable temperature control for the heating body during a processing process to effectively reduce whisker defects and to improve the product yield.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 5, 2023
    Assignee: BEIJING NAURA MICROELECTRONICS EQUIPMENT CO., LTD.
    Inventors: Qiwei Huang, Quanyu Shi
  • Patent number: 11408064
    Abstract: Embodiments of the present disclosure provide a mask structure and a filtered cathodic vacuum arc (FCVA) apparatus. The mask structure is configured to prepare protrusions on a carrying surface of an electrostatic chuck and includes a main mask plate and a side mask plate that are made of a conductive metal. The main mask plate is configured to form a patterned film layer corresponding to the protrusions on the carrying surface of the electrostatic chuck. The side mask is configured to cover a side surface of the electrostatic chuck to avoid forming a film layer on the side surface. The mask structure can be electrically conductive. The mask structure may prevent the side surface of the electrostatic chuck from being coated when the protrusions are prepared on the carrying surface of the electrostatic chuck. Thus, the mask structure may be applied to an FCVA process.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: August 9, 2022
    Assignee: BEIJING NAURA MICROELECTRONICS EQUIPMENT CO., LTD.
    Inventor: Quanyu Shi
  • Publication number: 20220145440
    Abstract: Embodiments of the present disclosure provide a mask structure and a filtered cathodic vacuum arc (FCVA) apparatus. The mask structure is configured to prepare protrusions on a carrying surface of an electrostatic chuck and includes a main mask plate and a side mask plate that are made of a conductive metal. The main mask plate is configured to form a patterned film layer corresponding to the protrusions on the carrying surface of the electrostatic chuck. The side mask is configured to cover a side surface of the electrostatic chuck to avoid forming a film layer on the side surface. The mask structure can be electrically conductive. The mask structure may prevent the side surface of the electrostatic chuck from being coated when the protrusions are prepared on the carrying surface of the electrostatic chuck. Thus, the mask structure may be applied to an FCVA process.
    Type: Application
    Filed: June 30, 2020
    Publication date: May 12, 2022
    Inventor: Quanyu SHI
  • Patent number: 11309208
    Abstract: The present disclosure provides an electrostatic chuck (ESC) and a method for manufacturing the plurality of protrusions of the ESC. The electrostatic chuck includes a support surface for carrying a workpiece and the plurality of protrusions distributed at intervals on the support surface. The protrusions are formed by a hydrogen-free amorphous carbon with a resistivity ranging from 10?4 ?·cm˜109?·cm. For the ESC provided by the present disclosure, the protrusions are formed by the hydrogen-free amorphous carbon and have a high hardness and a good wear resistance, which may effectively prevent a generation of particles. As such, the negative impact of the particles on the semiconductor process may be avoided, and the hydrogen does not dissociate in a high-temperature environment. Thereby, a problem that the protrusions may easily fall off and may not be suitable in the high-temperature environment (above 250° C.) may be solved.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 19, 2022
    Assignee: BEIJING NAURA MICROELECTRONICS EQUIPMENT CO., LTD.
    Inventors: Hua Ye, Quanyu Shi, Hougong Wang, Jinguo Zheng
  • Patent number: 11282735
    Abstract: An electrostatic chuck includes a support assembly including a base, a chuck placed at the base and configured to carry a workpiece, and a fastening assembly configured to removably fix the chuck at the base.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 22, 2022
    Assignee: BEIJING NAURA MICROELECTRONICS EQUIPMENT CO., LTD.
    Inventors: Quanyu Shi, Shuaitao Shi, Mengxin Zhao, Jinrong Zhao
  • Publication number: 20220051923
    Abstract: The present disclosure provides an electrostatic chuck and a reaction chamber. The electrostatic chuck includes an insulation layer and a heating body arranged at a bottom of the insulation layer. The electrostatic chuck further includes a cooling pipeline. The cooling pipeline is arranged under the heating body, spaced apart from the heating body, and configured to transfer cooling liquid to absorb heat radiated by the heating body. The electrostatic chuck further includes a thin-wall structure respectively connected to the heating body and the cooling pipeline. The thin-wall structure is configured to reduce heat dissipation efficiency between the heating body and the cooling pipeline. The electrostatic chuck provided by the present disclosure may realize stable temperature control for the heating body during a processing process to effectively reduce whisker defects and to improve the product yield.
    Type: Application
    Filed: September 19, 2019
    Publication date: February 17, 2022
    Inventors: Qiwei HUANG, Quanyu SHI
  • Publication number: 20210005496
    Abstract: The present disclosure provides an electrostatic chuck (ESC) and a method for manufacturing the plurality of protrusions of the ESC. The electrostatic chuck includes a support surface for carrying a workpiece and the plurality of protrusions distributed at intervals on the support surface. The protrusions are formed by a hydrogen-free amorphous carbon with a resistivity ranging from 10?4 ?·cm˜109 ?·cm. For the ESC provided by the present disclosure, the protrusions are formed by the hydrogen-free amorphous carbon and have a high hardness and a good wear resistance, which may effectively prevent a generation of particles. As such, the negative impact of the particles on the semiconductor process may be avoided, and the hydrogen does not dissociate in a high-temperature environment. Thereby, a problem that the protrusions may easily fall off and may not be suitable in the high-temperature environment (above 250° C.) may be solved.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 7, 2021
    Inventors: Hua YE, Quanyu SHI, Hougong WANG, Jinguo ZHENG
  • Publication number: 20200312692
    Abstract: An electrostatic chuck includes a support assembly including a base, a chuck placed at the base and configured to carry a workpiece, and a fastening assembly configured to removably fix the chuck at the base.
    Type: Application
    Filed: November 15, 2018
    Publication date: October 1, 2020
    Inventors: Quanyu SHI, Shuaitao SHI, Mengxin ZHAO, Jinrong ZHAO
  • Patent number: D984972
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: May 2, 2023
    Inventor: Quanyu Shi