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ion transfer tube

An ion migration tube and ion migration zone technology, which is applied in the field of ion migration, can solve the problems of difficult to completely seal the migration tube and difficult to migrate the concentricity of the tube, and achieve the effect of ensuring stability and small loss.

Active Publication Date: 2011-12-21
深圳市证谱智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of the above-mentioned ion transfer tube, especially the ion transfer region, is composed of many annular electrodes and insulating rings, so it is difficult to ensure the complete sealing of the transfer tube to the outside world, and it is not easy to make the transfer tube have consistent concentricity

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Embodiment Construction

[0010] Below, the present invention will be described in detail with reference to the accompanying drawings.

[0011] Such as figure 1 As shown, this embodiment provides an ion transfer tube 20 , and the transfer tube 20 includes: an electrode 21 , an insulating separator 22 , an insulator skeleton 24 , an ion gate assembly 25 and a Faraday assembly 26 .

[0012] Wherein, in the transfer tube 20, the alternately assembled electrodes 21 and insulating separators 22 form a hollow tubular ion transfer region 23, and a hollow circular tube with a sealed tube wall is also provided in the tubular ion transfer region 23. The insulator frame 24, the electrode 21 and the insulating separator 22 are matched and sleeved on the insulator frame 24.

[0013] The above-mentioned electrodes 21 and insulating spacers 22 may be ring-shaped, and may also be electrodes and insulating spacers with a hollow tube in the middle and arbitrary shapes on the outside.

[0014] Since the establishment o...

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Abstract

The invention provides an ion transference tube. Alternately assembled electrodes and insulating baffle plates form a hollow tubular ion transference region, wherein a hollow round tubular insulating body framework with a sealed tube wall is arranged in the tubular ion transference region; the electrodes and the insulating baffle plates are sleeved on the insulating body framework in a matched manner; and the length of the insulating body framework is 89 millimeters. In the ion transference tube, the hollow round tubular insulating body framework with the sealed tube wall is arranged in the tubular ion transference region, and the electrodes and the insulating baffle plates are sleeved on the insulating body framework in the matched manner, so the ion transference tube is totally enclosedto the outside, the electrodes and the insulating baffle plates have consistent concentricity during assembly, and the stability and the axial uniformity of an electric field in the ion transference tube are ensured. Meanwhile, the insulating body framework has a strong enhancement effect on an ion signal.

Description

technical field [0001] The invention relates to the technical field of ion migration, in particular to an ion migration tube. Background technique [0002] The ion transfer tube is an important part of the ion mobility spectrometer. The ionization and ion migration of the sample molecules contained in the object to be inspected are all carried out in the ion transfer tube. The ion migration tube includes: an air inlet, an air outlet, a molecular ionization area, an ion migration area and a Faraday detector, wherein the ionization area, the migration area and the Faraday detector form a tubular shape, and the air inlet and the air outlet are set on the tube , the ion migration region is composed of ring-shaped electrodes and insulating rings alternating with each other. [0003] The stability of the ion signal can only be guaranteed if the ion transfer tube is kept at a high degree of cleanliness and dryness and at a stable temperature. The uniformity of the axial electric ...

Claims

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Application Information

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IPC IPC(8): H01J49/26G01N27/62G01N27/622
Inventor 马军刘立秋颜毅坚徐翔张伟张亦扬
Owner 深圳市证谱智能科技有限公司
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