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Wendelstein 7-X (W7-X), a modular advanced stellarator, is presently under construction at the Max Planck Institute for Plasma Physics in Greifswald. Part of the inner plasma vessel (PV) surface is covered by graphite tiles which are bolted onto water-cooled CuCrZr heat sink plates. This so-called heat shield is an in-vessel component and shall protect the PV wall and diagnostic components from plasma-edge-radiation...
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