Serially-connected ion trap

An ion trap and ion technology, which is applied in the field of tandem ion traps, can solve the problems of low detection efficiency and large volume of the tandem ion traps, and achieve the effects of small occupied volume, various detection methods, and low production cost.

Active Publication Date: 2015-09-09
深圳至秦仪器有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to propose a series ion trap to solve the technical problems of large volume and low detection efficiency of the series ion trap in the prior art

Method used

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Embodiment Construction

[0027] The present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0028] Non-limiting and non-exclusive embodiments will be described with reference to the following drawings, wherein like reference numerals refer to like parts unless specifically stated otherwise.

[0029]The present invention proposes a serial ion trap, including a first cylindrical electrode 2, a second cylindrical electrode 4, a first circular electrode 3, a second circular electrode 5, a first circular electrode 1 and a second circular electrode 6 . Wherein, the first cylindrical electrode 2 is located on the side of the first cylinder, the second cylindrical electrode 4 is located on the side of the second cylinder, the first cylinder and the second cylinder are c...

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Abstract

The invention discloses a serially-connected ion trap which comprises a first cylindrical electrode, a second cylindrical electrode, a first annular electrode, a second annular electrode, a first circular electrode and a second circular electrode, wherein the first cylindrical electrode and the second cylindrical electrode are nested coaxially, the first cylindrical electrode, the second cylindrical electrode, the first annular electrode and the second annular electrode form an annular ion trap, and the first cylindrical electrode, the first circular electrode and the second circular electrode form a cylindrical ion trap. A first ion channel allowing ions coming in / getting out between the annular ion trap and the cylindrical ion trap is arranged on the first cylindrical electrode, first ion exit holes allowing ions to be emitted out of the traps are respectively arranged in the first annular electrode and the second annular electrode, and second ion exit holes allowing ions to be emitted out of the traps are respectively arranged in the circle centers of the first circular electrode and the second circular electrode. The ion trap is small and simply structure, and is large in storage space and low in manufacture cost, and a plurality of detection modes.

Description

technical field [0001] The invention relates to the field of ion trap mass spectrometers, in particular to a serial ion trap. Background technique [0002] Mass spectrometer is an instrument that separates and measures ions according to the mass-to-charge ratio, and analyzes the samples to be tested. It has the characteristics of high sensitivity and fast analysis, and is especially used in the detection of dangerous substances (such as chemical and biological agents, explosives, etc.), on-site environment detection, illegal drug detection and other fields. Portable mass spectrometers are widely used in real-time on-site analysis due to their small size, light weight, low power consumption, and low cost. [0003] The ion trap mass analyzer is one of the core components of mass spectrometry. The ion trap mass analyzer has the characteristics of small size, simple structure, high working pressure, and tandem mass spectrometry (MS / MS) in a single trap. It is a small mass spect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J49/26H01J49/02H01J49/10
CPCH01J49/02H01J49/10H01J49/26H01J49/424H01J49/004
Inventor 余泉唐丽娟倪凯钱翔王晓浩唐飞
Owner 深圳至秦仪器有限公司
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