Grid mesh electrode and preparation method thereof

A grid electrode and grid technology, applied in the field of mass spectrometry analysis, can solve the problem that the preparation method needs to be improved, and achieve the effect of high pass rate and lower operation accuracy requirements.

Active Publication Date: 2018-03-06
INST OF CHEM CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, grid electrodes and their preparation methods for high-resolution time-of-flight mass spectrometers still need to be improved

Method used

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  • Grid mesh electrode and preparation method thereof
  • Grid mesh electrode and preparation method thereof
  • Grid mesh electrode and preparation method thereof

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Embodiment Construction

[0042] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0043]In a first aspect of the invention, the invention proposes a grid electrode. According to an embodiment of the present invention, refer to figure 1 , the grid electrode includes: an electrode frame 100 , a grid hole 200 and a grid 300 . The electrode frame 100 includes a first winding part 110 and a second winding part 120 . The center of the above-mentioned electrode frame 100 defines a grid hole 200, and a grid 300 composed of a plurality of parallel metal wires is arranged on the grid hole. Wherein, two ends of a plurality of metal wires are respectively fixed on the first winding part 110 and the second winding part 120 . The grid 300 formed by the ...

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Abstract

The invention provides a grid mesh electrode and a preparation method thereof. The grid mesh electrode comprises an electrode frame. The electrode frame comprises a first winding part and a second winding part which are arranged opposite to each other. The grid mesh electrode further comprises a grid mesh hole defined by the electrode frame, and a grid mesh. Te grid mesh is arranged in the grid mesh hole. The grid mesh is composed of a plurality of metal wires arranged in parallel relative to one another. The two ends of the plurality of metal wires are respectively fixed on the first windingpart and the second winding part. The grid mesh formed by parallel metal wires is adopted instead of a mesh metal net. In this way, the grid mesh electrode is formed through the simple winding processinstead of the metal net attaching process higher on the operation precision requirement. The grid mesh electrode has at least one of the following advantages: low cost, simple preparation, high passing rate and the like.

Description

technical field [0001] The invention relates to the field of mass spectrometry, in particular to a grid electrode and a preparation method thereof. Background technique [0002] Mass spectrometry is an important analytical method in the field of analysis. Among many analytical testing methods, it is considered to be an analytical method with both high specificity and high sensitivity. Among them, the time-of-flight mass spectrometer has been widely used because of its wide range of molecular weights that can be detected, fast scanning speed and simple instrument structure. The introduction of ion mirrors greatly improves the resolution of time-of-flight mass spectrometry. Among them, mesh mirrors can effectively isolate the penetration of different electric field regions by introducing grid electrodes, which helps to achieve high resolution of mass spectrometry. [0003] However, grid electrodes and their preparation methods for high-resolution time-of-flight mass spectrome...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J49/06H01J49/40H01J9/02
Inventor 何圣贵袁震
Owner INST OF CHEM CHINESE ACAD OF SCI
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