Radiation image recording and read-out apparatus

Details Radiation image recording and read-out apparatus Radiation image recording and read-out apparatus

1990-10-17

1992-01-14

Fields, Carolyn E.

Radiant energy

Automatic/serial detection of similar sources

2504841, 378 37, G01N 2304

Patent

active

050813579

ABSTRACT:
A radiation image recording and read-out apparatus for use in energy subtraction processing for mamma images comprises an image recording table, on which the mamma is supported and secured, and a single stimulable phosphor sheet, which can be moved from the position under the image recording table to an image read-out section and then to an erasing section. After a first exposure of the stimulable phosphor sheet to radiation is carried out at the image recording table, a radiation image stored on the stimulable phosphor sheet is read out therefrom. Thereafter, any energy remaining on the stimulable phosphor sheet is erased, and the erased stimulable phosphor sheet is moved to the position under the image recording table. A second exposure of the stimulable phosphor sheet to the radiation is then carried out, and a radiation image stored on the stimulable phosphor sheet is read out therefrom. Image signals obtained from the two image read-out operations are then subtracted from each other.

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