Plasma generating apparatus

One discharge tube assembled from divided three sections is constructed by connecting between a first discharge tube element of metal material and a second discharge tube element of metal material with an insulator for forming a discharging gap and vacuum-sealing interposed between connecting flange...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AMADATSU SHIGEKI, TANIGUCHI MICHIO, MINOMO SHOICHIRO, KONDO KAZUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	One discharge tube assembled from divided three sections is constructed by connecting between a first discharge tube element of metal material and a second discharge tube element of metal material with an insulator for forming a discharging gap and vacuum-sealing interposed between connecting flanges of both discharge tube elements in a state of sealing hermetically with an O-ring and also by connecting between a first discharge tube element of metal material and a third discharge tube element of metal material in a similar manner, and a discharge gap is formed between adjacent discharge tube elements. A high-frequency power supply is connected to each discharge tube element. Respective discharge tube elements are provided with cooling medium flow paths separately each other.