Patents Assigned to SEC CARBON, Ltd.
  • Patent number: 12624474
    Abstract: An SiC single-crystal growth apparatus and a method of growing an SiC crystal are provided capable of reducing variations in the temperature distribution in the seed crystal and/or reducing deformation of, and/or damage to, the seed crystal, thereby growing an SiC single crystal with reduced defects and/or cracks. An SiC single-crystal growth apparatus (1) includes: a heating vessel (10) including a source material-containing portion (12) adapted to contain a solid source material of SiC in one of an upper portion or a lower portion (e.g., on the bottom portion 13) of an interior space S defined by a cylindrical peripheral side portion (14), and including a seat (17) located in another portion located opposite to said one portion (e.g.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: May 12, 2026
    Assignee: SEC CARBON, LTD.
    Inventor: Hiromu Shiomi
  • Publication number: 20240295047
    Abstract: An SiC single-crystal growth apparatus is provided that is capable of uniformly heating solid source material to sublimate it into gaseous material and capable of reducing wasted material during the growth of an SiC single crystal.
    Type: Application
    Filed: January 17, 2022
    Publication date: September 5, 2024
    Applicant: SEC CARBON, Ltd.
    Inventor: Hiromu SHIOMI
  • Publication number: 20240068125
    Abstract: An SiC single-crystal growth apparatus and a method of growing an SiC crystal are provided capable of reducing variations in the temperature distribution in the seed crystal and/or reducing deformation of, and/or damage to, the seed crystal, thereby growing an SiC single crystal with reduced defects and/or cracks. An SiC single-crystal growth apparatus (1) includes: a heating vessel (10) including a source material-containing portion (12) adapted to contain a solid source material of SiC in one of an upper portion or a lower portion (e.g., on the bottom portion 13) of an interior space S defined by a cylindrical peripheral side portion (14), and including a seat (17) located in another portion located opposite to said one portion (e.g.
    Type: Application
    Filed: January 18, 2022
    Publication date: February 29, 2024
    Applicant: SEC CARBON, Ltd.
    Inventor: Hiromu SHIOMI