Patents by Inventor Seo Yong Ha

Seo Yong Ha 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).

  • Silicon carbide powder, method for manufacturing the same and method for growing single crystal
    Patent number: 9920450
    Abstract: A silicon carbide powder according to the embodiment includes nitrogen having a concentration in a range of about 100 ppm to about 5000 ppm. A method for manufacturing silicon carbide powder according to the embodiment includes preparing a mixture by mixing a silicon source including silicon with a solid carbon source or a carbon source including an organic carbon compound; heating the mixture; cooling the mixture; and supplying a nitrogen-based gas into the mixture.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: March 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Byung Sook Kim, Bum Sup Kim, Kyoung Seok Min, Dong Geun Shin, Seo Yong Ha, Jung Eun Han
  • SILICON CARBIDE POWDER, METHOD FOR MANUFACTURING THE SAME AND METHOD FOR GROWING SINGLE CRYSTAL
    Publication number: 20140331917
    Abstract: A silicon carbide powder according to the embodiment includes nitrogen having a concentration in a range of about 100 ppm to about 5000 ppm. A method for manufacturing silicon carbide powder according to the embodiment includes preparing a mixture by mixing a silicon source including silicon with a solid carbon source or a carbon source including an organic carbon compound; heating the mixture; cooling the mixture; and supplying a nitrogen-based gas into the mixture.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 13, 2014
    Inventors: Byung Sook Kim, Bum Sup Kim, Kyoung Seok Min, Dong Geun Shin, Seo Yong Ha, Jung Eun Han
  • DEPOSITION APPARATUS
    Publication number: 20140290581
    Abstract: Disclosed is a deposition apparatus. The deposition apparatus comprises a susceptor into which reaction gas is introduced; a holder supporting a substrate in the susceptor; and a rotating driver for rotating the holder.
    Type: Application
    Filed: June 21, 2012
    Publication date: October 2, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Seok Min Kang, Moo Seong Kim, Heung Teak Bae, Seo Yong Ha