Radiant energy – Luminophor irradiation – Methods
Patent
1982-11-08
1986-04-22
Smith, Alfred E.
Radiant energy
Luminophor irradiation
Methods
2503272, G01V 1161
Patent
active
045844828
ABSTRACT:
In a radiation image recording and read-out system in which a stimulable phosphor sheet is repeatedly used for recording radiation images, and noise developing due to residual radiation energy on the phosphor sheet is eliminated by exposing the phosphor sheet to erasing light prior to radiation image recording step, the level of residual radiation energy is detected, and the amount of exposure of the phosphor sheet to erasing light is controlled according to the detected level of residual radiation energy. The exposure amount is controlled to erase residual radiation energy to a level within the range between 0.01 and 0.0001 with the maximum of the originally stored radiation energy taken as 100.
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Horikawa Kazuo
Suzuki Toshiaki
Fuji Photo Film Co. , Ltd.
Hannaher Constantine
Smith Alfred E.
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