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Square-cylindrical-surface solid-core microchannel plate preparation method and square-cylindrical-surface solid-core microchannel plate

A technology of microchannel plate and square column, which is applied in cold cathode manufacturing, electrode system manufacturing, discharge tube/lamp manufacturing, etc.

Inactive Publication Date: 2013-04-24
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

No report on the preparation method of square cylindrical solid core microchannel plate was found after searching

Method used

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  • Square-cylindrical-surface solid-core microchannel plate preparation method and square-cylindrical-surface solid-core microchannel plate

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Embodiment Construction

[0024] Step 1: Establish a square planar solid-core microchannel plate preparation device.

[0025] according to figure 1 The structure shown is implemented, wherein the vacuum heating furnace 1 is a square high-temperature molybdenum sheet heating furnace with a power of tens of kW, except that molybdenum sheets are not installed on its lower inner surface, and molybdenum sheets are installed on the other five inner surfaces. A door is installed on one side, and there are five layers of stainless steel screens on the outside of the molybdenum sheet as a heat insulation layer. The internal heating space of the vacuum heating furnace 1 is 300mm×300mm×300mm, and the space of the uniform temperature zone is 200mm×200mm×200mm. The inner temperature uniformity is ±2°C, the temperature control accuracy is ±1°C, the temperature range of the uniform temperature zone is from room temperature to 1000°C, the square support frame 2 is a square tube made of stainless steel, and the width o...

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Abstract

The invention belongs to the technical field of probing of X rays, ultraviolet rays and charged particles, relates to a square-cylindrical-surface solid-core microchannel plate preparation method and a microchannel plate of the square-cylindrical-surface solid-core microchannel plate preparation method, and provides the square-cylindrical-surface solid-core microchannel plate preparation method and a square-cylindrical-surface solid-core microchannel plate. The square-cylindrical-surface solid-core microchannel plate preparation method comprises that step 1, a preparation device of the square-cylindrical-surface solid-core microchannel plate is established; and step 2, the square-cylindrical-surface solid-core microchannel plate is prepared. The square-cylindrical-surface solid-core microchannel plate prepared according to the step 1 and the step 2 is formed by a square-cylindrical-surface solid-core microchannel plate body in the middle and flat-surface solid-core channel plates at two ends, and the square-cylindrical-surface solid-core microchannel plate body and the flat-surface solid-core channel plates at the two ends are integrated; and rise and the radius of curvature of the square-cylindrical-surface solid-core microchannel plate body in the middle are the same as those of the surface of a square-cylindrical-surface mould provided with a square upper positioning edge.

Description

technical field [0001] The invention belongs to the technical field of detecting X-rays, gamma rays, ultraviolet rays and charged particles, and relates to a preparation method of a square cylinder microchannel plate and the microchannel plate. Background technique [0002] A planar microchannel plate is a two-dimensional continuous electron multiplication electric vacuum device, which is composed of many channels with continuous electron multiplication capabilities arranged in a certain geometric pattern. Applying a certain voltage to its two ends can obtain high electronic gain, and multiply and amplify the extremely weak two-dimensional electronic image. [0003] Microchannel plates can be used to detect optical radiation from near-infrared to hard X-ray bands, and can also be used to detect electrons, ions, alpha particles, gamma rays, and cosmic rays. At present, microchannel plates are mainly used in the fields of photon counting imaging detection and low-light night ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J9/00H01J43/04
Inventor 尼启良
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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