Patents Assigned to SUMCO TECHXIV Corp.
  • Patent number: 9017483
    Abstract: There is provided a susceptor for a vapor phase epitaxial growth device, by which skidding at the time of loading a silicon wafer is prevented and the wafer can be loaded at a fixed position of the susceptor: wherein a ring-shaped groove having sloping planes widening toward a surface of the susceptor are formed on the outermost circumference of the bottom surface; and gas release openings penetrating through to the back surface of the susceptor are formed, each having a sectional area of 2.0 to 3.0 mm2 and a ratio of all opening areas is 0.25 to 0.5% on the bottom surface.
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: April 28, 2015
    Assignees: Sumco Corporation, Sumco Techxiv Corp.
    Inventors: Takashi Fujikawa, Masayuki Ishibashi, Kazuhiro Iriguchi, Kouhei Kawano
  • Publication number: 20090235867
    Abstract: There is provided a susceptor for a vapor phase epitaxial growth device, by which skidding at the time of loading a silicon wafer is prevented and the wafer can be loaded at a fixed position of the susceptor: wherein a ring-shaped groove having sloping planes widening toward a surface of the susceptor are formed on the outermost circumference of the bottom surface; and gas release openings penetrating through to the back surface of the susceptor are formed, each having a sectional area of 2.0 to 3.0 mm2 and a ratio of all opening areas is 0.25 to 0.5% on the bottom surface.
    Type: Application
    Filed: February 2, 2009
    Publication date: September 24, 2009
    Applicants: SUMCO CORPORATION, SUMCO TECHXIV Corp.
    Inventors: Takashi FUJIKAWA, Masayuki ISHIBASHI, Kazuhiro IRIGUCHI, Kouhei KAWANO