Large area microwave plasma apparatus with adaptable applicator

A microwave apparatus for sustaining a substantially uniform plasma over a relatively large area. The microwave apparatus comprises a vacuum vessel for sustaining the plasma in a plasma region thereof. The apparatus further comprises a nonevanescent microwave applicator having means for controlling...

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Bibliographische Detailangaben
1. Verfasser:	JOACHIM DOEHLER
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 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
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Beschreibung
Zusammenfassung:	A microwave apparatus for sustaining a substantially uniform plasma over a relatively large area. The microwave apparatus comprises a vacuum vessel for sustaining the plasma in a plasma region thereof. The apparatus further comprises a nonevanescent microwave applicator having means for controlling the cutoff frequency thereof. The microwave applicator may comprise a waveguide and a volume of dielectric material disposed within the waveguide. Alternately, the microwave applicator may comprise ridge waveguide.