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Accelerator tube and linear accelerator having the same

A technology of accelerating tube and accelerating cavity, applied in linear accelerators, accelerators, electrical components, etc., can solve the problems of narrow use of linear accelerators, and achieve the effects of simple structure, guaranteed capture rate, and guaranteed beam quality.

Active Publication Date: 2018-11-06
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the use of single-energy linear accelerators is extremely narrow, especially for medical linear accelerators, so there is a demand for medical linear accelerators with multi-level energy switches

Method used

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  • Accelerator tube and linear accelerator having the same
  • Accelerator tube and linear accelerator having the same
  • Accelerator tube and linear accelerator having the same

Examples

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Embodiment Construction

[0042] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0043] Specifically, such as Figure 1-4 As shown, according to an embodiment of the present invention, an accelerating tube 10 is disclosed, and the accelerating tube 10 is a standing wave accelerating tube. One end of the accelerating tube 10 can be coupled with an electron gun that generates an electron beam, and the other end of the accelerating tube 10 can be coupled with a target assembly so that the electron beam emitted from the accelerating tube 10 hits the target material and thus generates a photon beam , the accelerating tube 10 is also coupled to a vacuum source such as a vacuum pump so that the interior of the accelerating tube 10 is in a vacuum environment. In addition, the accelerating tube 10 is also coupled to a microwave...

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Abstract

The invention provides an accelerating tube, which comprises a plurality of accelerating cavities and a plurality of side coupling cavities, wherein the plurality of accelerating cavities are sequentially arranged; the plurality of side coupling cavities are coupled to the adjacent accelerating cavities; a beam channel is limited by the plurality of accelerating cavities; at least one of the plurality of side coupling cavities comprises opposite first nose cone and second nose cone and a nose cone assist part; and the nose cone assist part is movable along the direction which is basically parallel to the beam channel between the first nose cone and the second nose cone to change electric field distribution of the downstream accelerating cavities coupled to the side coupling cavities.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to an accelerating tube and a linear accelerator. Background technique [0002] For linacs, optimization is convenient on monoenergies. However, the use of single-energy linear accelerators is extremely narrow, especially for medical linear accelerators, so there is a demand for medical linear accelerators with multi-level energy switches. The energy switch is one of the most important parts of the current mainstream medical linear accelerator. Its operation does not affect the acceleration performance of the linear accelerator in the optimized mode, and it is convenient for the linear accelerator to output multiple levels of energy, which greatly expands the utilization value of the linear accelerator. [0003] Figure 18 One prior art disclosed in US patent application US2005 / 0057198A is shown. Specifically, it discloses that an energy switch 19 is installed on the side coupling...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H7/22H05H9/00
CPCH05H7/22H05H9/00H05H2007/225
Inventor 廖浪宋瑞英
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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