| 摘要 |
The present invention provides an X-ray image detector (1) which can reduce the size of a whole apparatus associated with an X-ray imaging tube, reduce noise components of an output X-ray image even if an incident X-ray is very weak, and provide a distortion-free visible image or electric image. The X-ray image detector (1) comprises a vacuum container having an input fluorescent screen outputting fluorescent light, a photoelectric screen converting the fluorescent light which is output from the input fluorescent screen to a photoelectron, and an output fluorescent screen outputting a visible light image with the obtained electron, a plurality of image pick-up elements (3) arranged such that partially overlapped areas are outside an image taking area and taking the visible light image in a divided way, image processing circuits (4) so arranged as to correspond to the image pick-up elements and trimming a taken video signal, an output image processing circuit (6) obtaining a composed image and a display device (5) displaying it as one signal.
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