Patents by Inventor Younguk HAN

Younguk HAN 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).

  • CERAMIC COMPONENT AND METHOD OF MANUFACTURING CERAMIC COMPONENT
    Publication number: 20220380262
    Abstract: The present disclosure relates to a ceramic component including a boron carbide, wherein a difference of a first residual stress measured at a first spot on a surface of the ceramic component and a second residual stress measured at a second spot on the surface having different distance from a center of the surface than the first spot is ?600 to +600 MPa.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Applicant: SKC solmics Co., Ltd.
    Inventors: Sungsic Hwang, Junrok OH, Kyungyeol MIN, Kyungin KIM, Jungkun KANG, Younguk HAN
  • CERAMIC COMPONENT AND PLASMA ETCHING APPARATUS COMPRISING SAME
    Publication number: 20220380263
    Abstract: A ceramic component included in a plasma etching apparatus, wherein a surface of the ceramic component may include a base material and a composite material disposed in contact with the base material, wherein a resistivity of the ceramic component may be 10?1 ?·cm to 20 ?·cm, and wherein the base material may include a first boron carbide-based material and the composite material may include at least one selected from the group consisting of a second boron carbide-based material, a carbon-based material, and combinations thereof, is disclosed.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Applicant: SKC solmics Co., Ltd.
    Inventors: SungSic HWANG, Junrok OH, Kyungyeol MIN, Kyungin KIM, Jungkun KANG, Younguk HAN