X-ray tube comprising an exit window

J.F.M. Achard van Enschut, d' (Inventor), T.J.J.M. Jenneskens (Inventor), A.H.M. Swemmers (Inventor)

    Research output: PatentPatent publication

    25 Downloads (Pure)

    Abstract

    An electron-optical system directs an electron beam which emanates, for example from a line-shaped or annular emissive cathode element, onto an anode target face in a collimated fashion so that a large part of reflected electrons is incident on the target face again, thus contributing to the generating of X-rays. The construction of the electron-optical system and the high degree of re-incidence of scattered electrons allows for a minimum distance between the anode target face and the exit window. A filament of the cathode may be constructed so as to achieve an optimally uniform operating temperature over a comparatively large part of its length.
    Original languageEnglish
    Patent numberUS5367553
    Publication statusPublished - 22 Nov 1994

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