Device and method for tuning plasma distribution using phase control
Embodiments described herein relate to apparatus and techniques for radio frequency (RF) phase control in a process chamber. A process volume is defined in the process chamber by a faceplate electrode and a support pedestal. A grounding bowl is disposed within the process chamber about the support p...
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| creator | Bansal, Amit Kumar Ma, Jun Li, Xiaopu Bera, Kallol Baek, Jonghoon Kobayashi, Satoru Hammond, IV, Edward P |
| description | Embodiments described herein relate to apparatus and techniques for radio frequency (RF) phase control in a process chamber. A process volume is defined in the process chamber by a faceplate electrode and a support pedestal. A grounding bowl is disposed within the process chamber about the support pedestal opposite the process volume. The grounding bowl substantially fills a volume other than the process volume below the support pedestal. A phase tuner circuit is coupled to an RF mesh disposed in the support pedestal and the faceplate electrode. The tuner circuit adjusts a phase difference between a phase of the faceplate electrode and a phase of the RF mesh. |
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A process volume is defined in the process chamber by a faceplate electrode and a support pedestal. A grounding bowl is disposed within the process chamber about the support pedestal opposite the process volume. The grounding bowl substantially fills a volume other than the process volume below the support pedestal. A phase tuner circuit is coupled to an RF mesh disposed in the support pedestal and the faceplate electrode. 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| subjects | 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 ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | Device and method for tuning plasma distribution using phase control |
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