Patents by Inventor Kiyoshi Nashimoto

Kiyoshi Nashimoto 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).

  • Patent number: 6785115
    Abstract: An electrostatic chuck is provided, having an insulation layer including a mount plane on which a wafer is mounted, an inner electrode provided in the insulation layer, and projecting portions protruding from the mount plane which include contact planes that contact the wafer. A backside gas flows into a space defined by the mount plane, the projecting portions, and the wafer under such a condition that the wafer is attracted to the mount plane so as to maintain the temperature uniformity of the wafer. The total areas of the contact planes of the projecting portions is not less than 5% and not more than 10% with respect to the area of the inner electrode, and the heights of the projecting portions are not less than 5 &mgr;m and not more than 10 &mgr;m.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: August 31, 2004
    Assignees: NGK Insulators, Ltd., Anelva Corporation
    Inventors: Hideyoshi Tsuruta, Satoru Yamada, Kiyoshi Nashimoto, Naoki Miyazaki
  • Publication number: 20020159217
    Abstract: An electrostatic chuck having an insulation layer includes a mount plane on which a wafer is mounted, an inner electrode provide in the insulation layer, and projecting portions protruded from the mount plane which include contact planes to be contacted to the wafer. A backside gas is flowed into a space defined by the mount plane, the projecting portions, and the wafer under such a condition that the wafer is attracted to the mount plane so as to maintain a temperature uniformity of the wafer. A total amount of areas of the contact planes of the projecting portions is not less than 5% and not more than 10% with respect to an area of the inner electrode, and heights of the projecting portions are not less than 5 &mgr;m and not more than 10 &mgr;m.
    Type: Application
    Filed: January 25, 2002
    Publication date: October 31, 2002
    Applicant: NGK INSULATORS, LTD.
    Inventors: Hideyoshi Tsuruta, Satoru Yamada, Kiyoshi Nashimoto, Naoki Miyazaki
  • Patent number: 5956616
    Abstract: A method of depositing a thin film on a substrate by plasma-enhanced CVD is provided. The method includes introducing H.sub.2 or H.sub.2 and N.sub.2 into a plasma-enhanced CVD reactor; generating a plasma in the reactor; introducing a reaction gas comprising TiCl.sub.4, silane, and either H.sub.2 or H.sub.2 and N.sub.2 into the reactor; and depositing a Ti film or a TiN film containing Si on a substrate in the reactor.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: September 21, 1999
    Assignee: Anelva Corporation
    Inventors: Shigeru Mizuno, Manabu Tagami, Shinya Hasegawa, Yoichiro Numasawa, Masahito Ishihara, Kiyoshi Nashimoto, Nobuyuki Takahashi
  • Patent number: 5334251
    Abstract: The temperature of a substrate, such as a semiconductor wafer, is controlled in the processing of the substrate, such as sputtering, etching, deposition, or the like. According to the present invention, an accurately controlled temperature environment may be achieved by measuring the temperature and emissivity of heat from the surface of the substrate being processed, remotely as well as on a real-time basis, and correcting the temperature to reflect the actual temperature according to the emissivity as measured.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: August 2, 1994
    Assignee: Anelva Corporation
    Inventor: Kiyoshi Nashimoto
  • Patent number: 5147498
    Abstract: The temperature of a substrate, such as a semiconductor wafer, is controlled in the processing of the substrate, such as sputtering, etching, deposition, or the like. According to the present invention, an accurately controlled temperature environment may be achieved by measuring the temperature and emissivity of heat from the surface of the substrate being processed, remotely as well as on a real-time basis, and correcting the temperature to reflect the actual temperature according to the emissivity as measured.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: September 15, 1992
    Assignee: ANELVA Corporation
    Inventor: Kiyoshi Nashimoto