Surface discharge plasma device

A surface discharge and plasma technology, applied in the field of plasma, can solve problems such as spark discharge or arc discharge, electrical damage to biological tissue, and aging of dielectric materials, so as to change the type and concentration, prolong the service life, and reduce the cost of the discharge device. damage effect

Inactive Publication Date: 2019-06-18
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At the same time, when the dielectric barrier discharge is used, the dielectric material is aged due to the heating of the dielectric material, and breakdown occurs, resulting in spark discharge or arc discharge, which causes electrical damage to biological tissues

Method used

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  • Surface discharge plasma device

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Embodiment Construction

[0028] Specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0029] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned throughout the spe...

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Abstract

The invention discloses a surface discharge plasma device formed by a combined dielectric material. The surface discharge plasma device comprises a high-voltage electrode, a ground electrode and a combined dielectric layer, wherein the high-voltage electrode is of a flat-plate structure; the ground electrode is of a strip-shaped structure; the combined dielectric layer comprises an aluminum oxideceramic layer and a polytetrafluoroethylene layer which are stacked; the high-voltage electrode is tightly attached to the aluminum oxide ceramic layer; the ground electrode is tightly attached to thepolytetrafluoroethylene layer; and when the high-voltage electrode is excited by a high-voltage power supply, the ground electrode generates a discharge plasma distributed along the surface of the ground electrode.

Description

technical field [0001] The invention relates to the field of plasma technology, in particular to a creeping discharge plasma device composed of combined dielectric materials. Background technique [0002] Surface dielectric barrier discharge can generate a large area, uniform, stable and close to room temperature plasma under atmospheric pressure air conditions, and has been widely researched and applied in biomedicine, material surface modification, environmental protection, industrial ozone synthesis, etc. [0003] At present, in the application process of dielectric barrier discharge along the surface, the dielectric material is easy to age, the discharge initiation voltage is high, and the heat generation is relatively large. At the same time, the dielectric material will also affect the characteristics of the creeping dielectric barrier discharge plasma. For example, compared with quartz and ceramics, polytetrafluoroethylene as a dielectric material is more conducive t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/24
Inventor 刘定新王冰川王伟涛李乔松郭莉孔刚玉
Owner XI AN JIAOTONG UNIV
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