Radiation image read-out system

Details Radiation image read-out system Radiation image read-out system

1995-06-07

1997-10-14

Hannaher, Constantine

Radiant energy

Source with recording detector

Using a stimulable phosphor

G03D 4202

Patent

active

056775423

ABSTRACT:
A stimulable phosphor sheet, on which a radiation image has been stored, is scanned with stimulating rays at predetermined read-out pitches in a main scanning direction and in a sub-scanning direction. Light emitted by the stimulable phosphor sheet exposed to the stimulating rays is photoelectrically detected, and an image representing the radiation image is thereby obtained. The read-out pitch in the sub-scanning direction is set at a value falling within the range of approximately 20 .mu.m to approximately 30 .mu.m. A quick read-out device is provided which sets the read-out pitch in the main scanning direction at a value, that falls within the range of approximately 20 .mu.m to approximately 30 .mu.m, in accordance with the read-out pitch in the sub-scanning direction. The stimulable phosphor sheet is provided with a transparent protective layer having a thickness of at most 5 .mu.m and a stimulable phosphor layer having a thickness falling within the range of 10 .mu.m to 150 .mu.m and is colored with a coloring agent. The coloring agent is a blue inorganic pigment having an average particle diameter falling within the range of 0.01 .mu.m to 0.9 .mu.m.

REFERENCES:
patent: 4651220 (1987-03-01), Hosoi et al.
patent: 4851676 (1989-07-01), Mori et al.
patent: 4870667 (1989-09-01), Brunnett et al.
patent: 4889990 (1989-12-01), Hosoi et al.

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