Patents by Inventor Longbao Chen

Longbao Chen 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: 11875970
    Abstract: Disclosed are a radio frequency electrode assembly for a plasma processing apparatus, and a plasma processing apparatus, wherein the radio frequency electrode assembly for a plasma processing apparatus comprises: a base in which a first fluid passage is provided, the first fluid passage being configured for connecting to a first fluid source; an electrostatic chuck disposed on the base; a focus ring disposed peripheral to the electrostatic chuck; a heat conducting ring disposed around the base, the heat conducting ring enclosing at least part of the base, the heat conducting ring being disposed below the focus ring, a second fluid passage being provided in the heat conducting ring, the second fluid passage being connected to a second fluid source, heat conduction being enabled between the heat conducting ring and the focus ring. The plasma processing apparatus can adjust polymers distribution in the edge area of the to-be-processed substrate.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: January 16, 2024
    Assignee: ADVANCED MICRO-FABRICATION EQUIPMENT INC. CHINA
    Inventors: Longbao Chen, Jie Liang, Weina Wang, Leyi Tu
  • Publication number: 20200194231
    Abstract: Disclosed are a radio frequency electrode assembly for a plasma processing apparatus, and a plasma processing apparatus, wherein the radio frequency electrode assembly for a plasma processing apparatus comprises: a base in which a first fluid passage is provided, the first fluid passage being configured for connecting to a first fluid source; an electrostatic chuck disposed on the base; a focus ring disposed peripheral to the electrostatic chuck; a heat conducting ring disposed around the base, the heat conducting ring enclosing at least part of the base, the heat conducting ring being disposed below the focus ring, a second fluid passage being provided in the heat conducting ring, the second fluid passage being connected to a second fluid source, heat conduction being enabled between the heat conducting ring and the focus ring. The plasma processing apparatus can adjust polymers distribution in the edge area of the to-be-processed substrate.
    Type: Application
    Filed: December 17, 2019
    Publication date: June 18, 2020
    Inventors: Longbao Chen, Jie Liang, Weina Wang, Leyi TU
  • Patent number: D1018878
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 19, 2024
    Assignee: ZHEJIANG SIMON INDUSTRY & TRADE CO., LTD.
    Inventors: Huawei Chen, Fangwang Li, Jiawu Zhang, Xiong Wang, Longbao Lei