Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1997-10-17
1999-06-01
Westin, Edward P.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
25036303, 25036304, 25037011, G01T 120
Patent
active
059090294
ABSTRACT:
A detector for an x-ray tomography apparatus has a plurality of detection elements arranged near an x-ray incident position in an array transverse to the slice direction. Each detection element is formed with a phosphorescent element for converting an incident radiation beam into light and a photoelectric conversion element for converting light from the phosphorescent element into an electrical signal. The phosphorescent element is shorter in the slice direction than the sensitive region of the photoelectric conversion element such that radiation reaching an edge area of the phosphorescent element can also be detected within a sensitive region of the photoelectric conversion element and generation of virtual and false images can be prevented.
REFERENCES:
patent: 5210420 (1993-05-01), Hartz et al.
patent: 5373162 (1994-12-01), Akai
Ohi Jun-ichi
Sawada Ryoichi
Tonami Hiromichi
Wada Mikio
Hanig Richard
Shimadzu Corporation
Westin Edward P.
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