Dose reading device and dose reading magazine
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United States of America Patent
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Sep 30, 2003
Grant Date -
Mar 13, 2003
app pub date -
Dec 14, 2001
filing date -
Sep 4, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dose reading device comprises: an ultraviolet irradiating section 40 for irradiating an ultraviolet laser beam forming an excitation light source for fluorescent glass elements X; a fluorescence detecting section 50 for detecting a radiation exposure dose from the intensity of fluorescence generated by a fluorescent glass element X; a magazine conveying section 30 for conveying a magazine 10 capable of accommodating a plurality of fluorescent glass elements X to a position for measurement by the fluorescence detecting section 50; a dark box for accommodating the magazine conveying section 30 and the fluorescence detecting section 50; a first shielding plate 31c set at a non-perpendicular angle to the light axis of the ultraviolet laser beam having passed through the fluorescent glass element X; a second shielding plate 31e for shielding fluorescence from the fluorescent glass elements X other than the fluorescent glass element X under measurement; and first and second slit plates 41a, 42a for transmitting only ultraviolet light that is directed at the fluorescent glass element X under measurement.
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