Patents by Inventor Jian Janson Chen

Jian Janson 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: 11621152
    Abstract: Methods and apparatus for processing a substrate using improved shield configurations are provided herein. For example, a process kit for use in a physical vapor deposition chamber comprises a shield comprising an inner wall comprising an upper portion having a first wavy fin configuration and a bottom portion having a second wavy fin configuration different from the first wavy fin configuration such that a surface area of the shield is about 1400 in2 to about 1410 in2.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: April 4, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Soundarrajan Jembulingam, Jian Janson Chen, Jeonghoon Oh
  • Publication number: 20220406565
    Abstract: Methods and apparatus for controlling plasma in a process chamber leverage an RF termination filter which provides an RF path to ground. In some embodiments, an apparatus may include a DC filter configured to be electrically connected between a DC power supply and electrodes embedded in an electrostatic chuck where the DC filter is configured to block DC current from the DC power supply from flowing through the DC filter and an RF termination filter configured to be electrically connected between the DC filter and an RF ground of the process chamber where the RF termination filter is configured to adjust an impedance of the electrodes relative to the RF ground.
    Type: Application
    Filed: December 17, 2021
    Publication date: December 22, 2022
    Inventors: Jian Janson CHEN, Yi YANG, Chong MA, Yuan XUE
  • Publication number: 20220375734
    Abstract: Methods and apparatus for processing a substrate using improved shield configurations are provided herein. For example, a process kit for use in a physical vapor deposition chamber comprises a shield comprising an inner wall comprising an upper portion having a first wavy fin configuration and a bottom portion having a second wavy fin configuration different from the first wavy fin configuration such that a surface area of the shield is about 1400 in2 to about 1410 in2.
    Type: Application
    Filed: May 24, 2021
    Publication date: November 24, 2022
    Inventors: Soundarrajan JEMBULINGAM, Jian Janson CHEN, Jeonghoon OH
  • Publication number: 20220375735
    Abstract: Methods and apparatus for processing a substrate using improved shield configurations are provided herein. For example, a process kit for use in a physical vapor deposition chamber comprises a shield comprising an inner wall comprising an upper portion having a first wavy fin configuration and a bottom portion having a second wavy fin configuration different from the first wavy fin configuration such that a surface area of the shield is about 1400 in2 to about 1410 in2.
    Type: Application
    Filed: April 6, 2022
    Publication date: November 24, 2022
    Inventors: Soundarrajan JEMBULINGAM, Jian Janson CHEN, Jeonghoon OH
  • Patent number: 11508563
    Abstract: Methods and apparatus for processing a substrate using improved shield configurations are provided herein. For example, a process kit for use in a physical vapor deposition chamber comprises a shield comprising an inner wall comprising an upper portion having a first wavy fin configuration and a bottom portion having a second wavy fin configuration different from the first wavy fin configuration such that a surface area of the shield is about 1400 in2 to about 1410 in2.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: November 22, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Soundarrajan Jembulingam, Jian Janson Chen, Jeonghoon Oh
  • Patent number: 11450511
    Abstract: Methods and apparatus are used for adjusting film stress profiles on substrates. An apparatus may include a PVD chamber with a pedestal configured to support a substrate during processing on a cover positioned on an uppermost surface of the pedestal. The cover is constructed with multiple electrodes such as, for example, a first electrode, a second electrode, and a third electrode. The second electrode is positioned between and electrically separated from the first electrode and the second electrode. A substrate stress profile tuner is electrically connected to the first electrode, the second electrode, and the third electrode and configured to independently adjust an RF voltage level of at least the second electrode and the third electrode relative to RF ground to produce a more uniform film stress profile.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: September 20, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Lizhong Sun, Yi Yang, Jian Janson Chen, Chong Ma, Xiaodong Yang
  • Publication number: 20220157563
    Abstract: Methods and apparatus are used for adjusting film stress profiles on substrates. An apparatus may include a PVD chamber with a pedestal configured to support a substrate during processing on a cover positioned on an uppermost surface of the pedestal. The cover is constructed with multiple electrodes such as, for example, a first electrode, a second electrode, and a third electrode. The second electrode is positioned between and electrically separated from the first electrode and the second electrode. A substrate stress profile tuner is electrically connected to the first electrode, the second electrode, and the third electrode and configured to independently adjust an RF voltage level of at least the second electrode and the third electrode relative to RF ground to produce a more uniform film stress profile.
    Type: Application
    Filed: December 29, 2020
    Publication date: May 19, 2022
    Inventors: Lizhong SUN, Yi YANG, Jian Janson CHEN, Chong MA, Xiaodong YANG
  • Patent number: 6063234
    Abstract: The invention relates to a temperature sensing system that accurately measures temperatures of articles or areas using a contact sensor even in a high radio frequency environment. The temperature sensing system includes a sensor probe that contacts with an article or area that is to have its temperature monitored, and a control circuit to amplify signals from the sensor probe. When significant amounts of radio frequency (RF) interference are present, the temperature sensing can be provided with RF shielding, RF filtering, isolated amplifying and/or multiple stages of low pass filtering that suppress the RF interference. The temperature sensing system is particularly well suited for monitoring and measuring temperatures within semiconductor manufacturing equipment, such as etching, deposition, and other processing chambers.
    Type: Grant
    Filed: September 10, 1997
    Date of Patent: May 16, 2000
    Assignee: Lam Research Corporation
    Inventors: Jian Janson Chen, William S. Kennedy