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

A technology of electron ray and generating device, which is applied in the direction of circuits, discharge tubes, electrical components, etc., can solve the problems that the electron ray generator is difficult to meet the requirements, refit, etc., and achieve the effect of simple structure and low cost

Active Publication Date: 2016-11-16
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 generating device and method for generating low dose rate electron ray

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Embodiment Construction

[0019] A preferred embodiment of the present invention is 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 embodiment.

[0020] refer to figure 1 As shown, the electron ray source generating device of this embodiment is used to irradiate an irradiation surface, and the electron ray source generating device includes an electron ray generator 2 for outputting an electron ray. There is a shielding plate 3 for shielding the electron rays, and the shielding plate 3 is provided with a plurality of leakage holes for leaking part of the electron rays. Wherein, the ratio of the total area of ​​the plurality of leakage holes to the area of ​​the shielding plate 3, that is, the porosity is greater than or equal to 1% and less than or equal to 90%.

[0021] Those skilled in the art should understand that, figure 1 The multiple leakage holes are not...

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Abstract

The invention discloses an electronic radiation source generating device and a method for generating low-dosage-rate electronic rays. The electronic radiation source generating device is used for radiating an illumination plane, and the electronic radiation source generating device comprises an electronic ray generator for outputting an electronic ray, a shielding plate is arranged on a transmission route of the electronic ray, and the shielding plate is provided with a plurality of leak holes for leaking partial electronic ray. Due to the adoption of the electronic radiation source generating device and the method for generating the low-dosage-rate electronic rays, the electronic ray with a low dosage rate can be outputted; 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 Patents(China)
IPC IPC(8): H01J37/06H01J37/09
Inventor 李景烨李林繁王敏张阔沈蓉芳蒋海青张聪
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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