Method for intensification and reflective read-out of underexpos

Radiation imagery chemistry: process – composition – or product th – Retrieving image made using radiation imagery

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430 9, 430 16, 430363, 430373, 430413, 430414, 430432, 430945, G03C 524, G03C 700, G03C 140, G03C 1100

Patent

active

048186490

ABSTRACT:
Method and apparatus for intensification and reflective read-out of underexposed films, radiographs, and the like are shown which include means for converting a metallic silver particle image to a highly reflective image. The film containing the highly reflective image is placed in a black-walled cavity which may contain a particle-free liquid, such as water. The image is raster scanned by a laser beam, and light reflected from the image is detected by a photomultiplier. The photomultiplier output is digitized and the digitized signal is stored for subsequent computer enhancement and display.

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