Multichannel electrode for producing plasma by electropulse discharges with autoionization

摘要

The invention relates to the plasma production technique and can be used for excitation of media in gaseous, liquid and solid state, as well as in manufacturing quantum oscillators operating in chemically aggressive media.The multichannel electrode for producing plasma by electropulse discharges consists of elementary channels (1), a dielectric (2) made of quartz glass between the elementary channels (1), a connecting terminal (4), in which are soldered the connecting ends by contact ultrasonic soldering, and the active end (3) of the multichannel electrode of flat shape. The electrode comprises a system of identical parallel connected channels (1), made of commercial copper, which provides the necessary and equally active resistance of the channels (1). The length of the discharge channels (1) is determined by their diameter and has a value of 1…1.5 m for channel diameter of 0.3…0.5 mm. The channels (1) are isolated by a dielectric (2) layer of a thickness of 50…100 µm of quartz glass. The working end (3) of the electrode is made in the form of a plane, formed by the rounded ends of the channels (1). The opposite ends of the channels (1) are electrically interconnected by contact ultrasonic soldering, excluding the presence of the insulating material. The electrode operates at an electrode gap of 5…7 mm and at a potential difference applied thereto of 25 kV.The electrode provides an unlimited period of its operation due to the uniform distribution of the electric field and temperature on its active surface.