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High current neutron generating device

A neutron and strong current technology, applied in the direction of DC voltage accelerator, etc., can solve the problems of small ion beam, low ion source life, low efficiency, etc., and achieve the effect of large gas consumption and low price

Inactive Publication Date: 2015-02-25
常州博锐恒电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this kind of ion source has a short service life, and the generated ion beam is very small, with a maximum of only a few hundred microamperes. For some experiments or analysis work, the efficiency is very low

Method used

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  • High current neutron generating device

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Embodiment 1

[0015] 1) if figure 1 As shown, the vacuum cavity 1 is cylindrical with a diameter of 300mm, and the microwave ion source 2 is installed on its top, and the installation position is 70mm away from the axis. The low-temperature deuterium adsorption target 3 is installed at the center of the bottom of the vacuum chamber 1, and it rotates through a magnetic seal drive, and a coolant is passed inside to cool down.

[0016] 2) The minute pump 4 is connected to the vacuum chamber 1 through a 90-degree elbow, and the exhaust hole of the molecular pump is connected to the air inlet of the microwave ion source 2 through the gas pipeline 3, and the discharged gas enters the ion source again, and the ion The source becomes ions and is implanted again.

[0017] 3) There is a low-temperature adsorption target 5 and a hydrogen regulating substance of the same material inside the gas pipeline 3. By heating and cooling outside the gas pipeline 3, the vacuum degree in the vacuum chamber 1 an...

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Abstract

The invention relates to a device for generating and accelerating deuterium ions through a microwave ion source and generating high current neutrons through deuterium and deuterium (deuterium and tritium) reactions. A solid body with the quite high hydrogen absorbing ability is installed on the upper face of a subcooling target, deuterium is ionized by the microwave ion source and then accelerated to own quite high energy to be shot on the target, the high-energy ions shot on the target react with the deuterium adsorbed on the target, and the neutrons are generated. Compared with a penning ion source scheme commonly adopted at present, the size of the device is increased slightly, while the intensity of deuterium ion beam is increased by several times to dozens of times, the output of the neutrons is multiplied, in addition, the service life of the microwave ion source is long, and thus the service life of the whole device can be several years.

Description

technical field [0001] The invention relates to a device for generating neutrons by deuterium-deuterium (or deuterium-tritium) reaction, which is mainly used in neutron-related research, such as flaw detection, material analysis, etc., and involves nuclear physics, material analysis, mineral exploration and the like. Background technique [0002] A neutron is an electrically neutral particle with the same mass as a proton. It plays an important role in many nuclear reactions. Many nuclides can capture neutrons, produce activated products, and then emit γ-rays. It is neutron activation basis of analysis. Neutron activation analysis plays an important role in the exploration of various resources such as petroleum, the analysis of material element content, and the detection of security and explosives. [0003] The half-life of free neutrons is relatively short (10 minutes and 11 seconds), so it can only be produced and used now. In the laboratory, the most commonly used sourc...

Claims

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Application Information

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IPC IPC(8): H05H3/06
Inventor 明建川
Owner 常州博锐恒电子科技有限公司
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