Patents by Inventor Kimitoshi Tamaki

Kimitoshi Tamaki 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: 11187993
    Abstract: The present invention provides an exposure apparatus including a forming unit configured to form a mark on a resist film on a substrate, and a control unit configured to perform an exposure process to form a latent image by projecting a pattern onto a target position on the resist film on the substrate based on a measured position of the mark, wherein the control unit causes the forming unit to perform a formation process of forming, before the exposure process is performed on a reworked substrate on which a second resist film has been formed after removing a first resist film with a first mark, a second mark on the second resist film so the second mark will be positioned at a position shifted from a position of the first mark on the reworked substrate.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: November 30, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yutaka Matsuda, Kimitoshi Tamaki
  • Publication number: 20190302630
    Abstract: The present invention provides an exposure apparatus including a forming unit configured to form a mark on a resist film on a substrate, and a control unit configured to perform an exposure process to form a latent image by projecting a pattern onto a target position on the resist film on the substrate based on a measured position of the mark, wherein the control unit causes the forming unit to perform a formation process of forming, before the exposure process is performed on a reworked substrate on which a second resist film has been formed after removing a first resist film with a first mark, a second mark on the second resist film so the second mark will be positioned at a position shifted from a position of the first mark on the reworked substrate.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 3, 2019
    Inventors: Yutaka Matsuda, Kimitoshi Tamaki