Patents Assigned to Holo-Source Corporation
  • Replication of diffraction images in oriented films
    Patent number: 5932150
    Abstract: The present invention provides a method and apparatus for impressing a diffraction image into an oriented polymeric film wherein, after orientation of the film, the temperature of the film is raised to a desired annealing temperature, the film temperature being continuously maintained above room temperature while a diffraction pattern is embossed directly into the surface of the film.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: August 3, 1999
    Assignee: Holo-Source Corporation
    Inventor: Deryl C. Lacey