Patents by Inventor Seung Ki KO

Seung Ki KO 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).

  • RF switch device having a highly resistive substrate, an isolation layer therein or thereon, and a trap-rich layer therein or thereon
    Patent number: 11830908
    Abstract: An RF switch device and a method of manufacturing the same are proposed. A trap area is formed in or on a surface of a highly resistive substrate to trap carriers accumulating on the surface of the substrate, thus improving RF characteristics.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: November 28, 2023
    Assignee: DB HiTek, Co., Ltd.
    Inventors: Jin Hyo Jung, Hyun Jin Kim, Seung Ki Ko, Sang Gil Kim, Tae Ryoong Park, Ki Hun Lee, Kyong Rok Kim
  • RF SWITCH DEVICE AND METHOD OF MANUFACTURING SAME
    Publication number: 20230057074
    Abstract: An RF switch device and a method of manufacturing the same are proposed. A trap area is formed in or on a surface of a highly resistive substrate to trap carriers accumulating on the surface of the substrate, thus improving RF characteristics.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 23, 2023
    Inventors: Jin Hyo JUNG, Hyun Jin KIM, Seung Ki KO, Sang Gil KIM, Tae Ryoong PARK, Ki Hun LEE, Kyong Rok KIM
  • RF SWITCH DEVICE AND METHOD OF MANUFACTURING SAME
    Publication number: 20230040844
    Abstract: Provided is an RF switch device and a method of manufacturing the same and, more particularly, to an RF switch device and a method of manufacturing the same seeking to improve RF characteristics by forming a trap layer on a part of the surface of a substrate, thereby trapping carriers that may accumulate on the surface of the substrate.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 9, 2023
    Inventors: Ki Hun LEE, Jin Hyo JUNG, Kyong Rok KIM, Hyun Jin KIM, Sang Gil KIM, Seung Ki KO, Tae Ryoong PARK