| 摘要 |
PURPOSE:To use a pack of flexible shielding paper in place of a metallic cassette, and to execute uniform, exact, and high sensitivity photography, by directly coating or printing a fluorescent substance on the silver grain-attached face of an X-ray photographic film. CONSTITUTION:A fluorescent substance 3 is directly coated or printed on the silver grain-2-attached film face of the main body 1 of an X-ray photographic film to obtain an X-ray photographic film F. The silver grains 2 receives strong fluorescent light due to X-ray irradiation uniformly all over the film, permitting a uniform, exact, and sharp image to be obtained. This film can be packed with flexible shielding paper, and bent to fit to a round human body in photographing. Besides, it can dispence with a precious cassette. |
