Electron ray source generation device and method for generating low-dose-rate electron ray

An electron ray and generating device technology, which is applied in the field of generating low-dose rate electron rays and low-dose rate electron ray source generating devices, can solve the problems that the electron ray generator is difficult to meet the requirements, refit and the like, and achieves simple structure and low cost. Inexpensive, easy-to-adjust effects

Active Publication Date: 2013-05-01
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

General-purpose electron beam generators are difficult to meet the requirements, or require extensive modification

Method used

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  • Electron ray source generation device and method for generating low-dose-rate electron ray
  • Electron ray source generation device and method for generating low-dose-rate electron ray
  • Electron ray source generation device and method for generating low-dose-rate electron ray

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Embodiment Construction

[0028] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail, but the present invention is not limited to the scope of the described embodiments.

[0029] refer to figure 1 As shown, the electron ray source generating device of this embodiment includes an electron ray generator 1 for outputting an electron ray. The electron ray is emitted from an exit surface 2 of the electron ray generator 1. An absorbing plate 3 and a scanning mechanism 5 are arranged in sequence on the path. The absorbing plate 3 shields the electron beam and has a leak hole 4 for leaking part of the electron beam. The missed electron beams are scanned so that the scanned electron beams can be uniformly irradiated to an irradiation surface. The electron ray source generating device also includes a fan for cooling the absorbing plate and the scanning mechanism, so as to keep the t...

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Abstract

The invention provides an electron ray source generation device and a method for generating a low-dose-rate electron ray. The electron ray source generation device is used for irradiating an illumination face and comprises an electro ray generator, as well as a fan, wherein the electro ray generator is used for outputting the electro ray; the electro ray is emitted from an exit face of the electro ray generator; an absorption plate and a scanning mechanism are orderly arranged on the transmission route of the electron ray; the absorption plate is used for sheltering the electron ray; a leakage hole through which a part of the electron ray is emitted in a leakage way is formed in the absorption plate; the scanning mechanism is used for scanning the electron ray which is emitted through the leakage hole in the leakage way in the air, so that the scanned electron ray can be evenly irradiated to the illumination face; and the fan is used for decreasing the temperature of the absorption plate and the scanning mechanism. With the adoption of the electron ray source generation device and the method for generating the low-dose-rate electron ray provided by the invention, the low-dose-rate electron ray can be output; and meanwhile, the structure is simple and the cost is low.

Description

technical field [0001] The invention relates to the field of electron beams, in particular to a low-dose-rate electron-ray source generator and a method for generating low-dose-rate electron beams. Background technique [0002] Electron rays can be widely used in industrial irradiation processing and scientific research experiments. General-purpose electron beam generators are designed to improve industrial production efficiency, and the output design of electron beams is biased towards high power and high dose rate. It is therefore difficult to obtain electron rays at a low dose rate with these electron ray generators. When it is necessary to use a general-purpose electron beam generator for low-dose-rate electron-ray-related applications, including certain radiation test tests for products, the required dose rate is far lower than the lower limit of the dose rate that can be generated by a general-purpose electron-ray generator. General-purpose electron beam generators a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21K5/00G21K5/04
Inventor 何子锋朱希恺翟光延黄建鸣李林繁李景烨盛康龙张宇田李德明张海荣
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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