Contour Collimator and Adaptive Filter Having a Magnetic Fluid Absorbing X-Ray Radiation and Associated Method

摘要

A contour collimator or an adaptive filter for adjusting a contour of a ray path of x-ray radiation is provided. The apparatus includes a magnetic fluid that is impermeable to x-ray radiation and a number of switchable magnet elements, by which an aperture forming the contour may be formed in the magnetic fluid.