Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1988-06-10
1990-02-13
Dees, Jose G.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
430291, 430967, 378185, 2504871, G03F 100
Patent
active
049006444
ABSTRACT:
This invention relates to a gradient radiation intensifying screen having as an integral part thereof a tonable, photosensitive layer bearing a toned, anatomically correct, unsharp halftone image.
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Sorenson, J. A. et al., "Photographic Unsharp Masking in Chest Radiography", Investigative Radiography, Jul.-Aug. 1981, vol. 16, No. 4, pp. 281-288.
Dees Jos,e G.
E. I. Du Pont de Nemours and Company
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