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X-ray tube having collimator, collimator apparatus for closed x-ray tube and use of such a collimator apparatus

An X-ray tube and collimator technology, applied in the field of X-ray tubes, can solve the problems of reduced effect and the like

Pending Publication Date: 2020-12-29
YXLON INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the aforementioned effect of creating a destructive penumbra is only slightly reduced by this, since most of the beryllium-scattered radiation can pass through the opening

Method used

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  • X-ray tube having collimator, collimator apparatus for closed x-ray tube and use of such a collimator apparatus
  • X-ray tube having collimator, collimator apparatus for closed x-ray tube and use of such a collimator apparatus
  • X-ray tube having collimator, collimator apparatus for closed x-ray tube and use of such a collimator apparatus

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Experimental program
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Embodiment Construction

[0040]inFigure 1a The schematic configuration of the X-ray tube 1 according to the related art is shown in FIG. This is a closed microfocus X-ray tube with a focal spot diameter in the range of 0.4 mm. In the housing 2 there is a target 3 which is bombarded by an electron beam 15 (seeFigure 3a ), and at the position where the electron beam hits the target 3, at the focal point 7, X-ray radiation 5 is emitted. The X-ray radiation exits from the housing 2 through an exit window 4 made of beryllium. The exit window is installed in the opening 14 of the housing so as to be as close to the focal spot 7 as possible. It is air-tightly connected to the housing 2 via the window carrier 13 and the pipe flange 9 connected thereto. The radiographic image of the article 8 is recorded by means of S-ray radiation 5 by means of a detector 6 arranged at a predetermined distance from the light spot 7. The light spot is so small that the light spot can be assumed to be approximately point-like due to ...

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Abstract

The invention relates to an X-ray tube (1) having a housing (2), a target (3) and an outlet window (4) for X-ray radiation (5) generated on the target (3), wherein: the outlet window (4) is fixed in an opening (14) in the housing (2) in an air-tight manner; the outlet window (4) is opposite the target (3) and is arranged inside the housing (2); a collimator disk (19) made of a highly X-ray-radiation-absorbent material and having a collimator opening (20) is arranged on the X-ray tube (1); and the collimator disk (19) is opposite the outlet window (4) on the side thereof facing away from the target and is located below the surface of the housing (2). The invention additionally relates to a collimator apparatus (18) for an X-ray tube (1), having a base frame (25), on which a fastening apparatus (24) for fastening the collimator apparatus (18) to a tube flange (9) of an X-ray tube (1) is arranged, and having a support wall (23), which is connected to the base frame (25) and is arranged onthe same side of the base frame (25) as the fastening apparatus (24), and having a collimator disk (19) which is made of a highly X-ray-radiation-absorbent material, has a collimator opening (20) andis arranged on the end of the support wall (23) remote from the base frame (25). Finally, the problem is also solved by the use of a collimator apparatus (1) according to the invention on an X-ray tube (1), particularly on an X-ray tube (1) according to the invention, in order to reduce the penumbra on a detector (6) during imaging of an object (8) by means of the X-ray radiation (5) emitted by the X-ray tube (1).

Description

Technical field[0001]The present invention relates to an X-ray tube having a housing, a target, and an exit window for generating X-rays at the target, and a collimator device for the X-ray tube and also such a collimator device It is used to reduce penumbra during imaging of objects.Background technique[0002]The present invention generally relates to a closed X-ray tube, however said X-ray tube is particularly advantageous in a bipolar X-ray tube having an exit window for a cone beam. It is understood here to mean an X-ray tube in which the target and the exit window are at different potentials and the exit window and the exit window allow a larger area to be irradiated. Although the X-ray tube according to the present invention also includes such X-ray tubes for medical applications, the present invention is particularly advantageous for use in industrial X-ray tubes, for example in the scope of non-interference inspection (NDT), The inspection has a relatively high acceleration v...

Claims

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Application Information

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IPC IPC(8): G21K1/02H01J35/18H05G1/02
CPCH05G1/02G21K1/02H01J35/18
Inventor D·施蒂克勒
Owner YXLON INT
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