Patents by Inventor Yutaka Tsuru

Yutaka Tsuru 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).

  • Electrode cartridge and a system for measuring an internal stress for a film of plating
    Patent number: 7682493
    Abstract: The electrode cartridge for measuring an internal stress of a film of plating includes a cathode support, an anode support, a shield plate and an anode shell. The anode support supports an anode plate so that the anode plate is opposite to the cathode plate with a predetermined spacing. The shield plate is interposed between the cathode and anode plates. A through hole is made in the shield plate in such a manner that the through hole confronts a plating section and has a geometry which is reduced by a first predetermined scale factor relative to a geometry of the plating section. An opening is made in the anode shell in such a manner that the opening confronts the plating section and has a geometry which is magnified by a second predetermined scale factor relative to the geometry of the plating section.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: March 23, 2010
    Assignee: Yamamoto-MS Co., Ltd.
    Inventors: Wataru Yamamoto, Katsunori Akiyama, Fumio Harada, Yutaka Tsuru
  • Electrode cartridge and a system for measuring an internal stress for a film of plating
    Publication number: 20050189220
    Abstract: The electrode cartridge for measuring an internal stress of a film of plating includes a cathode support, an anode support, a shield plate and an anode shell. The anode support supports an anode plate so that the anode plate is opposite to the cathode plate with a predetermined spacing. The shield plate is interposed between the cathode and anode plates. A through hole is made in the shield plate in such a manner that the through hole confronts a plating section and has a geometry which is reduced by a first predetermined scale factor relative to a geometry of the plating section. An opening is made in the anode shell in such a manner that the opening confronts the plating section and has a geometry which is magnified by a second predetermined scale factor relative to the geometry of the plating section.
    Type: Application
    Filed: February 3, 2005
    Publication date: September 1, 2005
    Inventors: Wataru Yamamoto, Katsunori Akiyama, Fumio Harada, Yutaka Tsuru