Patents by Inventor Takeo Kihara

Takeo Kihara 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: 7692763
    Abstract: A device manufacturing apparatus includes a conveying device which conveys a substrate, an acquiring device to acquire an amount of warpage of the substrate, based on a measurement or an input, a storing device which stores a database representing a correspondence between a parameter related to a conveying condition and the warpage amount of the substrate, and a controller which controls, based on the database, the conveying device to convey the substrate in accordance with a parameter corresponding to the warpage amount acquired by the acquiring device.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: April 6, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeo Kihara, Issei Funayoshi
  • Publication number: 20060216025
    Abstract: Disclosed is an exposure apparatus and a device manufacturing method, in which an amount of wafer warp produced as a result of device manufacturing processes made earlier is measured or inputted in relation to each wafer lot or each wafer in the lot as a process parameter, while on the other hand correction quantities related to various parameters such as driving speeds of conveyance system robots such as a wafer stage, a wafer conveying hand of a wafer conveyance system, and a prealignment stage and so on, as well as a reduced pressure level and a reduced pressure level threshold or the like, corresponding to the wafer warp, are calculated and stored as a database, such that these parameters can be switched or newly set in accordance with the thus prepared database.
    Type: Application
    Filed: March 24, 2006
    Publication date: September 28, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeo Kihara, Issei Funayoshi