Development of coatings to improve RF voltage stand-off
For a reliable operation of Ion Cyclotron RF (ICRF) systems on fusion devices with magnetic confinement at high power, an improvement of the voltage stand-off of RF transmission lines and antennas is required. Coatings for RF conductors have been developed to increase the voltage stand-off. Stainles...
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| Veröffentlicht in: | Surface & coatings technology 2003-09, Vol.174, p.176-180 |
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| container_title | Surface & coatings technology |
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| creator | Bobkov, V. Azarenkov, M. Bizyukov, O. Bobkov, Vl.V. Noterdaeme, J.-M. Wilhelm, R. |
| description | For a reliable operation of Ion Cyclotron RF (ICRF) systems on fusion devices with magnetic confinement at high power, an improvement of the voltage stand-off of RF transmission lines and antennas is required. Coatings for RF conductors have been developed to increase the voltage stand-off. Stainless steel is often used as a basis material for the antenna components. The technique to reduce magnetic permeability of steel was elaborated. A technological process for deposition of TiN, TiC, W, Ta coatings with and without Cu sublayer was developed and tested. The coatings on the components of a RF probe were prepared for experiments with high RF voltage. The work function of the deposited coatings was measured. The application of the coating technology to the ICRF systems is discussed. |
| doi_str_mv | 10.1016/S0257-8972(03)00409-2 |
| format | Article |
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Coatings for RF conductors have been developed to increase the voltage stand-off. Stainless steel is often used as a basis material for the antenna components. The technique to reduce magnetic permeability of steel was elaborated. A technological process for deposition of TiN, TiC, W, Ta coatings with and without Cu sublayer was developed and tested. The coatings on the components of a RF probe were prepared for experiments with high RF voltage. The work function of the deposited coatings was measured. 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| identifier | ISSN: 0257-8972 |
| ispartof | Surface & coatings technology, 2003-09, Vol.174, p.176-180 |
| issn | 0257-8972 1879-3347 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Double-layer coating High-voltage breakdown ICRF |
| title | Development of coatings to improve RF voltage stand-off |
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