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Variety of electron, ion and plasma technologies as well as gas discharge devices operate in fixed form of the discharge. The transitio n from weak to heavy- current in radio-frequency low-current discharge leads to instabilities in physical pro- cesses and it is very critical for the normal functionality o f the technology or device. In this paper by means of Townsend criterion the influence of t he incoming electric power and voltage on this transition in a cross-section of th e discharge is numerically simulated. The calculations show a possible change of applied designed power up to 32% without weak to heavy-current transition. It is also obtained that the rise in 40% of the pressure can change the critical breakdown power only up to 12%. These results are in agreement with the simple analytical one-dimensional models and experimental data.

Study of the weak to heavy-current transition in high-frequency discharge in nitrogen