Patents Examined by Jacqueline Weddington
  • Optical device and manufacturing method thereof
    Patent number: 5114513
    Abstract: An optical device manufacturing method includes a step of accumulating an optical device inorganic material on a stamper by use of a vacuum thin-film growing method, and a step of removing the accumulated material from the stamper, thereby producing an optical device.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: May 19, 1992
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Hayami Hosokawa, Tsukasa Yamashita