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Method for preparing microchannel plate from high polymer filler

A technology of microchannel plate and polymer, which is applied in the manufacture of light-emitting cathodes and secondary emitter electrodes, etc., to achieve the effects of avoiding deformation, ensuring mechanical strength, and increasing the range

Inactive Publication Date: 2017-10-24
SHANXI CHEM RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a method for preparing microchannel plates with polymer fillers. The technical problem to be solved is to prevent the primary microchannel plates from being broken in the post-treatment process when the microchannel plates are prepared by the hollow core method. cracked and deformed

Method used

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  • Method for preparing microchannel plate from high polymer filler
  • Method for preparing microchannel plate from high polymer filler

Examples

Experimental program
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Effect test

Embodiment 1

[0026] (1) Preparation of primary microchannel plate:

[0027] A number of hollow fibers are regularly arranged as regular hexagonal hollow fiber bundles, and the regular hexagonal hollow fiber bundles are fused at a temperature of 620°C, and edged glass is added to the outer surface after fusion, and the pore diameter of the obtained primary microchannel plate is 50um;

[0028] (2) Fill primary microchannel plate for post-processing:

[0029] The polymer filler was melted at a temperature of 120°C. Under the constant temperature condition of 90°C, the viscosity coefficient of the heated and melted polymer filler was measured by a rotational viscometer to be 78mPa.s, and the viscosity coefficient of the heated and melted polymer filler was The volume thermal expansion coefficient is 0.75×10 -3 / °C, fill the melted and easy-to-fill polymer filler into the primary microchannel plate; cool for a period of time until the polymer filler is solidified, the solidified polymer filler...

Embodiment 2

[0033] (1) Preparation of primary microchannel plate:

[0034] A number of hollow fibers are regularly arranged as regular hexagonal hollow fiber bundles, and the regular hexagonal hollow fiber bundles are fused at a temperature of 630°C, and edged glass is added to the outer surface after fusion, and the pore diameter of the obtained primary microchannel plate is 20um;

[0035] (2) Fill primary microchannel plate for post-processing:

[0036] Melt the polymer filler at a temperature of 120°C. Under the constant temperature condition of 90°C, the viscosity coefficient of the heated and melted polymer filler is measured by a rotational viscometer as 100mPa.s, and the viscosity coefficient of the heated and melted polymer filler is The volume thermal expansion coefficient is 0.66×10 -3 / °C, fill the melted and easy-to-fill polymer filler into the primary micro-channel plate; cool for a period of time until the polymer filler solidifies, the solidified polymer filler has greater...

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Abstract

The invention provides a method for preparing a microchannel plate from a high polymer filler, and relates to the technical field of manufacturing of micro-optical elements. The method comprises the following steps: melting the high polymer filler into liquid, and filling pores of a primary microchannel plate prepared by a hollow core method; curing the liquid and performing a posttreatment procedure; and lastly, removing the liquid with an organic solvent to obtain a finished microchannel plate. Through filling of the high polymer filler, the problems of cracking and deformation of the microchannel plate prepared by the hollow core method in the posttreatment procedure are solved effectively.

Description

technical field [0001] The invention belongs to the technical field of manufacturing micro-optical elements, and in particular relates to a method for preparing a micro-channel plate with a polymer filler. Background technique [0002] Microchannel Plate (MCP for short) is a microwell array element with electron multiplication effect, due to its high gain, low noise, high resolution, wide frequency band, low power consumption, long life and self-saturation effect Features, and are widely used in low-light image tubes, photomultiplier tubes, camera tubes, and particle detectors. [0003] At present, the preparation method of MCP is mainly the solid acid dissolution method. The key to the preparation of MCP by this method is that the glass fiber used is formed by drawing together a core glass rod and a jacket glass tube that can be etched by acid. The two kinds of glass The fibers are regularly arranged in bundles, fused at high temperature and cut into thin glass sheets, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J9/12
CPCH01J9/125
Inventor 王克智李少阳毛晨曦张建军李向阳张惠芳李训刚张鸿宇王凯巩翼龙林福华王晨王冉刘凤玉代燕琴王晶
Owner SHANXI CHEM RES INST
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