Patents Assigned to Tohoko University
  • Patent number: 7971159
    Abstract: To provide a data generating method, device, and program that can generate drawing data for drawing the entire general design graphic data with an accuracy of about 1 to 4 nm in a drawing method or a drawing system adapted to draw gradation-controllable spotlights in a two-dimensional array. The data generating method is a method for generating, in an exposure system having a function of irradiating multigradation-controllable spotlights in a two-dimensional array onto a photosensitive film on a substrate, gradation values of the spotlights based on design graphic data.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: June 28, 2011
    Assignees: Tohoko University, Kumamoto University
    Inventors: Yoshiyuki Taniguchi, Tatsuo Morimoto, Akira Nakada, Masae Nakada, legal representative, Tadahiro Ohmi