Barrier electrode for treating surfaces of electrically conductive or non-conductive materials and arrangement of such barrier electrodes

摘要

A barrier electrode for the treatment of surfaces of electronically conductive or non-conductive materials with medium frequency electric discharges and a barrier electrode arrangement with one or more such barrier electrodes, wherein the barrier electrode is constructed as a tube of dielectric material with two ducts extending parallel to each other in the longitudinal direction of the tube. The duct which in the position of use faces the counter electrode is provided with a high voltage conductor and the other duct serves for supplying a temperature-influencing medium or a process gas.