Single sided dual scanning for computed radiography

Details Single sided dual scanning for computed radiography Single sided dual scanning for computed radiography

2008-09-05

2009-11-24

Porta, David P (Department: 2884)

Radiant energy

Source with recording detector

Using a stimulable phosphor

Reexamination Certificate

active

07622730

ABSTRACT:
A radiation image formation read out method for a storage phosphor screen. A phosphor screen is exposed to a first stimulating radiation from a first side of the screen to release a first stimulated radiation in the pattern of the stored image. The first stimulating radiation is at a first power level, a first scan speed, and a first set of scanning parameters and is photoelectrically detected. The storage phosphor screen is again exposed to a second stimulating radiation from the first side of the screen to release a second stimulated radiation in the pattern of the stored image. The first stimulated radiation has a greater amount of high spatial frequency image data than the second stimulated radiation. The second stimulating radiation is at a second power level, a second scan speed, and a second set of scanning parameters. The second scanning exposure is higher than the first scanning exposure and the second set of scanning parameters differs in at least one parameter from the first set of scanning parameters.

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