Bucky (Becky-Potter diaphragm): a sliding tray like device found just below the X-ray
fable that reduces secondary (scatter) radiation reaching the film.
deviated in direction during passage through thick body parts.
Figure 2-6. The radiologic technologist is inserting the X-ray cassette into the Bucky
tray to get better definition on a thick body part.
Figure 2-7. When you insert the film into the Becky tray, make sure that the film is
securely locked info the tray. The film shown will be off center from the
central ray because it has not been secured.
MD0961
2-10
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