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X-Ray Tube

An X-ray tube and magnetic device technology, applied in the field of X-ray tubes, can solve problems such as accuracy and time-consuming

Inactive Publication Date: 2015-05-27
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These measures are correspondingly time-consuming due to the required precision

Method used

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  • X-Ray Tube
  • X-Ray Tube

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Experimental program
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Embodiment Construction

[0018] for figure 1 The X-ray tube shown in the figure 1 1 to mark the vacuum housing. The vacuum housing 1 includes a cathode chamber 2 , an anode chamber 3 and a drift section 4 arranged between the cathode chamber 2 and the anode chamber 3 .

[0019] Such an x-ray tube is arranged as part of an x-ray radiator in a radiator housing (not shown in the drawing). To cool and insulate the x-ray tube, a liquid cooling-insulating material is circulated in the radiator housing.

[0020] In the cathode chamber 2 of the X-ray tube there is a cathode arrangement 5 with an emitter 6 held in an insulator 7 . The cathode arrangement 5 is switchably connected to a corresponding power source via a high-voltage connection 8 . The emitter 6 of the cathode arrangement 5 emits electrons when a high voltage is applied. The power supply and the corresponding high voltage lines as well as the emitted electrons are not shown for reasons of clarity.

[0021] The electrons emitted from the emit...

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Abstract

An x-ray tube with a vacuum housing includes a cathode chamber with a cathode arrangement, an anode chamber with an anode arrangement, and a drift path disposed between the cathode chamber and the anode chamber. The drift path is surrounded by a magnet arrangement. The magnet arrangement is a self-supporting construction.

Description

technical field [0001] The invention relates to an X-ray tube. Background technique [0002] Such an X-ray tube is known, for example, from US Pat. No. 6,339,635 B1. In known cases, an X-ray tube has a vacuum housing comprising a cathode chamber with a cathode arrangement, an anode chamber with an anode arrangement and arranged between the cathode and anode chambers and is designed as four The drift segment is surrounded by a magnetic arrangement of poles. [0003] In EP2074642B1 and WO2008 / 155695A1 an X-ray tube is described which has a magnetic arrangement designed as a double quadrupole. [0004] With known X-ray tubes, magnetic means are used to focus and deflect electrons generated in the cathode means which fall as electron beams into a focal spot on the anode. [0005] It is known in each case to align the magnetic device very precisely on the vacuum housing of the x-ray tube and to fasten it there by means of mounting parts (supporting bolts, etc.) during assembly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J35/14
CPCH01J35/147
Inventor J.伯克J.诺克L.沃纳
Owner SIEMENS AG