Goloviatinski S. Pulsed high voltage gas discharges for atmospheric pressure plasma processing

Technological processes and devices of dielectric materials and biological objects surface plasma treatment by pulsed high voltage atmospheric pressure gas discharges using. Scientific background and methods development of high efficiency non thermal plasma surface processing for dielectric materials by using of pulsed high voltage atmospheric pressure gas discharges and devices development for plasma generation and plasma processing. The following investigations methods were used: experimental research methods of plasma characteristics with a computer registration and analyse; surface analyses methods; quantity microbiological measurements; Taguchi method for experiments results estimation; quantity parameters estimation. The plasma generation method of long length pulsed gas discharge with small cross-section and along the dielectric surface was developed. The next evolution of pulsed high voltage atmospheric pressure gas discharge ("plasma string") was obtained. The space stabilization and currentdensity distribution uniformity method for atmospheric pressure "plasma string" on the moved dielectric surface by the outside lateral electrode along discharge using was developed. The plasma generation method of long length (up to 10m) pulsed gas discharge in the small diameters dielectric tubes was developed. The silicon oxide thin films plasma coating on the plastic surface method by atmospheric pressure was developed. The current- and voltage-free active gas jets generation method was developed. Experimental results and devices were used for the industrial prototypes and serial equipment development and production preparation. The method and the industrial prototype for plastic bottle inner surface sterilization were developed. The method and the industrial prototype for barrier (no gas penetration) silicon oxide films on the polymer surfaces were developed. The active gas jets plasma generation devices were developed and in the serial production introduced. The application areas for developed methods and devices are food, pharmaceutical, automotive, electrotechnical industries.