Title :
An Improved X-Ray Intensifying Screen
Author :
Buchanan, Robert A.
Author_Institution :
Lockheed Palo Alto Research Laboratory Palo Alto, California 94304
Abstract :
It is shown experimentally that a new x-ray phosphor Gb2O2S: Tb used as an intensifying screen with the common blue-sensitive x-ray photographic film can increase sensitivity to medical x rays by about a factor of 2 relative to CaWO4 which is currently used. It is also shown that a sensitivity increase of about 20 is possible if photographic film is optimized to the Gd2O2S: Tb emission.
Keywords :
Biomedical imaging; Calcium; Electromagnetic wave absorption; Laboratories; Medical diagnosis; Medical diagnostic imaging; Optical materials; Phosphors; X-ray imaging; X-ray lasers;
Journal_Title :
Nuclear Science, IEEE Transactions on
DOI :
10.1109/TNS.1972.4326489
