A target assembly and its manufacturing method

A manufacturing method and a technology for a target assembly, applied in the field of radiation devices, can solve problems such as shortened service life

Active Publication Date: 2021-05-18
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Target assemblies where the target block is in a vacuum or in a non-reactive gas environment can be difficult to fabricate, but target blocks that are directly exposed to air will have a shortened service life due to oxidative corrosion at operating temperatures

Method used

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  • A target assembly and its manufacturing method
  • A target assembly and its manufacturing method
  • A target assembly and its manufacturing method

Examples

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Embodiment Construction

[0031] The invention relates to a method of manufacturing a radiation device comprising a target assembly. In the target assembly, the target mass may be sealed in a sealed chamber filled with air having a normal oxygen content or lower than the normal oxygen content.

[0032] In the following detailed description, numerous specific details are set forth by way of example in order to provide a thorough understanding of the related application. It will be apparent to one skilled in the art that the present invention may be practiced without these details. In other instances, well-known methods, procedures, systems, components and / or circuits have been described at a relatively high level in order to avoid unnecessarily obscuring aspects of the present invention. It will be apparent to those skilled in the art that various modifications can be made to the present invention, and the general principles defined herein can be applied to other embodiments and applications without de...

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PUM

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Abstract

The present invention relates to a target assembly and its manufacturing method. The target assembly includes a first target, a base, and a window. Wherein, the first target has the ability to generate first radiation when it is hit by a beam, the base is used to support the first target, and the window is permeable to at least part of the beam. The window and the base form at least part of a sealed chamber in which the first target is located, wherein the sealed chamber is filled with air having a normal oxygen content or a lower than normal oxygen content. Compared with the traditional solution, the target assembly of the present invention is assembled in the air, which simplifies the manufacturing process. The target in the target assembly is in a sealed environment, and will not undergo further oxidation reaction with the air outside the sealed environment, nor will it cause mass loss due to volatilization of oxidation products, thereby improving its service life.

Description

technical field [0001] The invention relates to the field of radiation devices, in particular to a target component and a manufacturing method thereof. Background technique [0002] Linear accelerators and X-ray tubes are widely used in medicine, non-destructive testing (NDT), security inspection and other fields. Both linear accelerators and X-ray tubes can use Bremsstrahlung Converter (BC) to generate X-ray radiation from incident charged particles. Charged particles are decelerated abruptly within the bremsstrahlung conversion target, producing x-ray photons. A bremsstrahlung conversion target may be called an X-ray target block, or simply a target block. Generally, the target block packaged in the target assembly can be made of materials with high atomic weight and high melting point, such as tungsten (W), rhenium, tantalum (Z), and the like. During the bremsstrahlung process, the incoming charged particles deposit a large amount of kinetic energy in the target mass, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J35/08
CPCH01J35/08H01J2235/08H01J2235/088H01J35/116H01J35/13H01J35/24H01J2235/085G21K5/08H01J35/12H01J2235/1013H01J2235/1204H01J35/18
Inventor J·S·墨子
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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