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Pseudo spark light-triggering discharge system

A technology of pseudo-spark and discharge cavity, applied in the field of pseudo-spark light-triggered discharge system

Active Publication Date: 2016-04-27
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the device only applies the pseudo-spark discharge mechanism, and does not involve the improvement of the pseudo-spark discharge device.

Method used

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  • Pseudo spark light-triggering discharge system
  • Pseudo spark light-triggering discharge system
  • Pseudo spark light-triggering discharge system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 2 As shown, this embodiment includes: a test chamber 1, a vacuum device 3 and a pseudo-spark discharge chamber 2 for generating electron beams, wherein: the pseudo-spark discharge chamber 2 and the vacuum device 3 are respectively connected to the test chamber 1 Connected, the test chamber 1 is provided with a beam intensity control board 8 for controlling the intensity of the electron beam. The cathode of the pseudo-spark discharge cavity 2 is connected to a high voltage, and the anode of the pseudo-spark discharge chamber 2 draws electron beams.

[0028] The pseudo-spark discharge chamber 2 is arranged on the upper part of the test chamber 1 . The lower left side of the test chamber 1 is provided with an air supply port 10 and an electrical control inlet 11. The air supply port 10 is connected to the test chamber 1 through a ventilation pipe, and the electrical control inlet 11 is connected to the test chamber 1 through a special circuit mechanical pi...

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PUM

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Abstract

A pseudo spark light-triggering discharge system is disclosed. The pseudo spark light-triggering discharge system comprises a test cavity, a vacuum pumping apparatus and a pseudo spark discharge cavity used for generating electron beams, wherein the pseudo spark discharge cavity and the vacuum pumping apparatus are connected with the test cavity separately; a beam intensity control board used for controlling the electron beam intensity is arranged in the test cavity; the pseudo spark discharge cavity comprises a hollow negative electrode, a hollow positive electrode, an ultraviolet light source, a first flange plate and a second flange plate; the hollow negative electrode and the ultraviolet light source are arranged on the two sides of the first flange plate respectively; the hollow positive electrode is arranged on one side of the second flange plate, and opposite to the hollow negative electrode; and a metal net opposite to the ultraviolet light source is arranged in the hollow negative electrode. According to the pseudo spark light triggering discharge system, photoelectric isolation is realized, the system volume is reduced, the test cost is lowered, and the complexity of the system is lowered.

Description

technical field [0001] The invention relates to a technology in the field of pseudo-spark discharge, in particular to a pseudo-spark light-triggered discharge system. Background technique [0002] Pseudo-spark discharge is a low-pressure (1-100Pa) gas discharge that occurs in the left half of the Baschen curve. Adjust the working pressure and external voltage in the pseudo-spark discharge chamber to make it reach the discharge condition of the Baschen curve, and the vacuum breakdown is completed in a very short time, and at the same time, high-power-density ion beams and electrons are drawn from the positive and negative stages of the discharge chamber bundle. The high-current pulsed electron beams generated by pseudospark discharge have broad application prospects in fields such as pulsed electron beam physics, material surface modification, radiation breeding, microfabrication, pulsed X-ray generation, and high-brightness pulsed electron guns. [0003] The effective init...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J7/44H01J7/30
CPCH01J7/30H01J7/44
Inventor 傅宇蕾胡静赵万生
Owner SHANGHAI JIAO TONG UNIV