Radiant energy – Invisible radiation responsive nonelectric signalling – Luminescent device
Patent
1989-06-02
1990-12-04
Hannaher, Constantine
Radiant energy
Invisible radiation responsive nonelectric signalling
Luminescent device
206455, 2503272, 378185, G03B 4204
Patent
active
049755900
ABSTRACT:
An energy subtraction processing cassette accommodates therein a pair of stimulable phosphor sheets and a radiation energy changing filter interposed between the stimulable phosphor sheets. The cassette includes a cassette body which is formed of a light-shielding material that transmits radiation and a lid member mounted on the cassette body. A side wall of the cassette perpendicular to the stimulable phosphor sheets accommodated therein is provided with a slit through which the radiation energy changing filter can be inserted into and from which it can be drawn out of the cassette without the lid member having to be opened or closed.
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Fuji Photo Film Co. , Ltd.
Hannaher Constantine
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