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X-ray image intensifier

An X-ray image intensifier (XRII) refers to a special image intensifier device used in medical imaging involving x rays. It consists of an input window, input phosphor, photocathode, vacuum and electron optics, output phosphor and output window. It allows for lower x-ray doses to be used on patients by magnifying the intensity produced in the output image, enabling the viewer to easily see the structure of the object being imaged. They were introduced by Philips in 1955.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "X-ray_image_intensifier". A list of authors is available in Wikipedia.
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