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Manufacturing method of grid mesh electrode and grid mesh electrode

A manufacturing method and grid electrode technology, applied in the field of mass spectrometry analysis, can solve the problems of poor flatness of metal grids, easily damaged metal grids, etc., and achieve the effect of reducing complexity

Active Publication Date: 2021-03-19
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a method for making grid electrodes to solve the problems of easily damaged metal grids and poor flatness of metal grids in the production process of existing grid electrodes

Method used

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  • Manufacturing method of grid mesh electrode and grid mesh electrode
  • Manufacturing method of grid mesh electrode and grid mesh electrode
  • Manufacturing method of grid mesh electrode and grid mesh electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment provides a method for fabricating a grid electrode, referring to Figure 1-Figure 2 , the production method includes the following steps:

[0037] S1. Provide two auxiliary tools 1 and a grid frame 2 opposite to each other. There is a grid hole 20 in the grid frame 2; the distance between the two auxiliary tools 1 is greater than the length of the grid frame 2 (rectangular grid frame) Or the outer diameter (circular grid frame), so that the grid frame 2 can be placed between two auxiliary tools 1; generally speaking, the distance between the two auxiliary tools 1 is the length of the grid frame 2 (rectangular grid frame) or 1.3 to 1.5 times the outer diameter (circular grid frame), so that the grid frame 2 is easy to be placed between the two auxiliary toolings 1, and it is convenient for the cutting of the metal wire 3 at the back, and it can have a relatively Less wire loss. Both auxiliary toolings 1 have a plurality of slits 10 arranged in parallel,...

Embodiment 2

[0047] This embodiment provides a grid electrode prepared by the manufacturing method provided in Example 1, the grid electrode includes a grid frame 2 with grid holes 20, and a plurality of metal wires arranged in parallel The metal grid 30 formed by 3 and the bead 4 that fixes the metal grid 30 on the grid frame 2, the area covered by the metal wire of the metal grid 30 completely covers the grid hole 20 in the middle of the grid frame 2, The bead 4 fixes the metal wire 3 outside the grid hole 20 on the grid frame 2 .

[0048] Wherein, the grid frame 2 is usually a plate-like structure with grid holes 20, and the bead 4 is usually a flat elongated plate-like structure, and because the outer diameter of the metal wire 3 is usually very small (generally 10-100 microns ), thus, the grid frame 2 is used to fix the surface of the wire 3 to be a smooth plane, and the surface where the bead 4 contacts the wire 3 is also a smooth plane, so that the bead 4 can stably fix the wire 3 o...

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Abstract

The invention relates to a grid mesh electrode manufacturing method and a grid mesh electrode, and the manufacturing method comprises the steps: winding a metal wire on an auxiliary tool to form a grid mesh, and then enabling the grid mesh to be fixed on a grid mesh frame. The method reduces the complexity of attaching the grid mesh to the grid mesh frame, and avoids the phenomena that in the prior art, a grid mesh is directly wound on a slotted grid mesh frame, and consequently the distance between grid mesh wires is uneven and uneven.

Description

technical field [0001] The invention relates to the technical field of mass spectrometry, in particular to a method for manufacturing a grid electrode and the grid electrode. Background technique [0002] Mass spectrometry is an important analysis method in the field of analysis, and it plays an important role in the fields of medicine, energy, chemical industry, and life sciences. Among many analytical methods, mass spectrometry 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 concerned and applied because of its wide range of molecular weights that can be detected, fast scanning speed, and simple instrument structure. Time-of-flight mass spectrometry has developed from the initial linear structure to a secondary acceleration and secondary reflection ion flight mode. The introduction of the ion mirror greatly improves the resolution of the Fetion time-mass spectromete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J49/06H01J49/40
CPCH01J49/061H01J49/405
Inventor 齐飞周忠岳
Owner SHANGHAI JIAO TONG UNIV