Patents Assigned to The Cancer Institute Board
  • Patent number: 4868399
    Abstract: Apparatus for use as a detection system in the production of portal radiographs in high energy radiography, comprising an assembly containing a metal screen (7), a fluorescent screen (8), and a high contrast photographic film (6). A method for production of portal radiographs using this apparatus is also disclosed.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: September 19, 1989
    Assignee: The Cancer Institute Board
    Inventor: Robert G. Sephton