X-ray examination apparatus having an adjustable x-ray filter

M.W.J. Prins (Inventor)

Research output: PatentPatent publication

Abstract

The invention relates to an X-ray examination apparatus which includes an X-ray filter for locally attenuating the X-ray beam. The X-ray filter includes a plurality of filter elements. The X-ray absorption of a filter element is adjusted by way of the quantity of X-ray absorbing liquid present in the filter element. The filling of the filter element is adjusted by means of an electric voltage. In addition to the X-ray absorbing liquid, the filter element contains a second liquid which is present at an interface between the X-ray absorbing liquid and the filter element, said second liquid being chemically inert relative to the X-ray absorbing liquid and having an electrical conductivity which deviates from that of the first liquid. [on SciFinder (R)]
Original languageEnglish
Publication statusPublished - 17 Feb 2000

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