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Molybdenum foil mesh for transmission microscope and scanning microscope and method of making the same

A scanning microscope and transmission microscope technology, applied in the field of molybdenum foil mesh, can solve the problems of no disclosure, and achieve the effect of not easy to be polluted, not easy to be corroded, and high hardness

Active Publication Date: 2016-04-06
BEIJING XINXING BRAIM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the patent application does not disclose the technical characteristics that the material in claim 1 is molybdenum, and the thickness of the carrier net is 0.01 mm to 0.05 mm, and the number of holes in the mesh is 1 mesh to 600 mesh.

Method used

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  • Molybdenum foil mesh for transmission microscope and scanning microscope and method of making the same
  • Molybdenum foil mesh for transmission microscope and scanning microscope and method of making the same
  • Molybdenum foil mesh for transmission microscope and scanning microscope and method of making the same

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Effect test

Embodiment 1

[0019] A molybdenum foil with a thickness of 0.01mm was selected and produced according to the following steps to obtain figure 1 The outer diameter shown is 3mm, the mesh number is 600 mesh, and the mesh is a molybdenum foil mesh with square holes.

[0020] The first step (1) is drawing: first draw manually according to the requirements of the required molybdenum foil mesh, then transfer the manual drawing sketch to the computer for accurate drawing, and then print out the black and white negatives at a ratio of 1:1, forming a pattern on the negatives A picture opposite to the real molybdenum mesh, also called a positive and negative film, as a target for making the real thing.

[0021] Step (2) is molybdenum foil treatment: the surface of the molybdenum foil is cleaned and dried with an ordinary kitchen fume net; the ordinary kitchen fume net is purchased from Beijing Lvsan Chemical Co., Ltd., and its model is Q / HDLSH008.

[0022] The (3) step is glue coating: use conventio...

Embodiment 2

[0032] A molybdenum foil with a thickness of 0.05mm was selected and produced according to the following steps to obtain figure 2 The outer diameter shown is 3.05mm, the number of mesh holes is 1 mesh, and the mesh is a molybdenum foil mesh with round holes.

[0033] The first step (1) is drawing: first draw manually according to the requirements of the required molybdenum mesh, then transfer the manual drawing sketch to the computer for accurate drawing, and then print out the black and white negative film at a ratio of 1:1; form a sheet on the negative film The picture opposite to the real molybdenum mesh is also called positive and negative film.

[0034]Step (2) is molybdenum foil treatment: the surface of the molybdenum foil is cleaned and dried with an ordinary kitchen fume net; the ordinary kitchen fume net is purchased from Beijing Lvsan Chemical Co., Ltd., and its model is Q / HDLSH008.

[0035] The (3) step is gluing: use ultraviolet negative photoresist and negative...

Embodiment 3

[0045] A molybdenum foil with a thickness of 0.02mm was selected and produced according to the following steps to obtain image 3 The outer diameter shown is 3.02mm, the number of mesh holes is 200 mesh, and the mesh is molybdenum foil mesh with honeycomb holes.

[0046] The first step (1) is drawing: first draw manually according to the requirements of the required molybdenum mesh, then transfer the manual drawing sketch to the computer for accurate drawing, and then print out the black and white negative film at a ratio of 1:1; form a sheet on the negative film The picture opposite to the real molybdenum mesh is also called positive and negative film.

[0047] Step (2) is molybdenum foil treatment: the surface of the molybdenum foil is cleaned and dried with an ordinary kitchen fume net; the ordinary kitchen fume net is purchased from Beijing Lvsan Chemical Co., Ltd., and its model is Q / HDLSH008.

[0048] The (3) step is gluing: use ultraviolet negative photoresist and nega...

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Abstract

The invention provides a molybdenum foil mesh for a transmission microscope and a scanning microscope. The thickness of the molybdenum foil mesh is from 0.01 mm to 0.05 mm and the number of mesh holes is from 1 mesh to 600 meshes. A production method of the molybdenum foil mesh comprises drawing, molybdenum foil processing, performing photoresist, pre-baking, performing exposure, developing, rinsing, post-baking, etching and removing of photoresist. The production method of the molybdenum foil mesh for the transmission microscope and the scanning microscope has the advantage of enabling obtained mesh holes of electron microscope molybdenum foil meshes to be clear and hole walls of the electron microscope molybdenum foil meshes to be smooth.

Description

technical field [0001] The invention relates to a molybdenum foil net used in a transmission microscope and a scanning microscope and a manufacturing method thereof. Background technique [0002] The copper mesh used in transmission microscopes and scanning microscopes developed before 1975 is far from meeting the needs of more scientific research. On the one hand, in the field of material science research, the temperature is as high as 2000 degrees during the production process of the sample, which requires the surface to be resistant to acid and alkali. However, the traditional copper grid is not resistant to high temperature, the hardness is not enough, and the surface is easily corroded, which makes it impossible to carry out analyze. On the other hand, in the field of scientific research, such as the field of biochemical research, since the field of nanochemistry plays an important role in the research and observation of the structure of nanoparticle carbon nanotubes, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J37/20H01J9/00
Inventor 张继明田连建
Owner BEIJING XINXING BRAIM TECH
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