| 摘要 |
<p>Device for medical X-ray photography comprises object carrier consisting of very fine stationary screen provided with a protective layer transparent to radiation, which screen is firmly connected witha foil ahead of the film, and forms a cassette together with the non-transparent backing plate which pushes a backing foil against the film. Cassette is arranged on a transpatent support plate ahead of the measuring chamber. Compared to known devices, exposure time is shortened and image is sharper.</p> |
