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latent image

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
latent image
n
(Miscellaneous Technologies / Photography) Photog the invisible image produced by the action of light, etc., on silver halide crystals suspended in the emulsion of a photographic material. It becomes visible after development


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Regardless of material, some process must be employed to render the latent image captured by the camera into the final photographic work.
1) Computed radiography (CR) was the product name for the first commercial device for making radiographs using the process of photostimulable luminescence (PSL), whereby X-ray energy projected onto a doped crystalline material--the photostimulable phosphor (PSP)--produces a latent image of excited electrons in local potential energy traps.
He discovered that by exposing the silver first to iodine vapour, before exposure to light, and then to mercury fumes after the photograph was taken, a latent image could be formed and made visible.
 
 
 
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