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High-voltage accelerating tube

An accelerator tube, high voltage technology, applied in the direction of DC voltage accelerators, electrical components, accelerators, etc., can solve the problems of high leakage rate, affecting product use, low voltage withstand capability, etc., to achieve low vacuum leakage rate, avoid stress Damage and high mechanical strength

Active Publication Date: 2010-02-03
CGN DASHENG ELECTRON ACCELERATOR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing acceleration tubes are made of glass connecting rings and stainless steel electrode sheets, which are bonded together with glue. This kind of acceleration tube generally has disadvantages such as high air leakage rate and low voltage withstand capability, which seriously affect the use of its matching products.

Method used

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Embodiment Construction

[0012] Such as figure 1 , figure 2 The high-voltage accelerating tube shown is formed by stacking a plurality of connection rings 1 and electrode sheets 2 sandwiched between two adjacent connection rings 1. The center of the electrode sheet 2 has a central hole 4, so The above-mentioned electrode sheet 2 and the above-mentioned connecting ring 1 are arranged concentrically.

[0013] The material of the electrode sheet 2 is titanium. The material of the connecting ring 1 is ceramics.

[0014] Aluminum foil is clamped between the ceramic connection ring 1 and the titanium electrode sheet 2 and welded in a high vacuum solid state pressure diffusion welding furnace. The welding is between the connecting ring 1 and the electrode sheet 2, applying a pressure of 30-50 tons to the acceleration tube along its axial direction, and the vacuum degree is better than 5 × 10-4Pa, and the temperature is 600~ Under the condition of 650° C., the aluminum atoms diffuse into the titanium ele...

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Abstract

This invention relates to a high voltage acceleration tube composed of multiple connection rings laminated with electrode plates clamped between adjacent two of them, in which, said electrode plates have holes at the center set coaxially with the connection rings, the plates are made of Ti material and the connection rings are made of ceramic material, the rings and the plates are soldered, namely, an Al foil is clamped between them, 30-50 tons of pressure is applied to the accelerating tube along its axis and Al atoms are diffused into the Ti plates and the ceramic connection rings with the vacuum degree better than 5x10-4Pa and temperature at 600-650deg.C to endure high potential difference and high mechanical strength.

Description

technical field [0001] The invention mainly relates to a high-voltage accelerating tube, in particular to a high-voltage accelerating tube for accelerating electrons, ions, protons, carbon particles and other particles. Background technique [0002] The accelerator tube is a channel that can accelerate charged particles uniformly under a certain voltage. It is composed of a lot of insulating connecting rings and a piece of metal accelerating electrode. Each accelerating electrode of the accelerating tube is connected with the voltage equalizing ring, so that the voltage drop between the charged electrode gaps on the entire length of the accelerating tube is equalized, and the pressure resistance of the accelerating tube is improved. In order to make the charged particles be uniformly accelerated when they pass through each electrode, and keep the beam from spreading, the metal accelerating electrode sheet is not only made into a circular flat plate with a middle hole, but a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H5/03
Inventor 马小丽邱小峰程廓
Owner CGN DASHENG ELECTRON ACCELERATOR TECH
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