is an engineering SME specialized for the R&D market and offering innovative engineering and managerial solutions for projects involving substantial amounts of human expertise. We are supplying solutions covering the whole development process: from conceptual through final designs up-to prototype manufacturing, testing and installation of the final product.

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The ITER fusion reactor ( is a scientific-technical experiment, being built in the south of France. Its aim is the demonstration of the technical feasibility of controlled nuclear fusion for energy production. The international partners who are taking part in the construction of the device are the European Union, the United States, China, Russia, Korea, Japan and India. The executive responsibility is with the ITER International Organization (ITER IO), under the auspices and direction of the ministerial level ITER Council.

The ITER is a tokamak-type fusion device, where the proper diagnostics of the 100-million-degree-Celsius plasma is a task of utmost importance. One of the important subsystem of plasma diagnostics systems is the special electrical infrastructure that serve them. Since in the ITER’s vacuum chamber, where the plasma is generated, very unique physical conditions exist (neutron/gamma radiation, thermomechanical and electromagnetic loads, etc.), the subsystems that serve the plasma diagnostic systems have to comply with extraordinary requirements, naturally along with the requirements dictated by the diagnostic experiment itself.

In the diagnostic racks of the equatorial ports as well as in the remotely serviced lower ports, the fixing of the electrical cables is not at all resolved, and as such requires one-off development, one-off design, testing and manufacturing. The aim of the present project is the R&D of the special clamping mechanisms that hold the running cables.

Major references

GEMS Engineering is deeply involved in and fully devoted to the success of the ITER project. As a result, our main reference works are in connection with ITER, and - more closely - to its diagnostic systems.

The ITER device, currently under construction in the south of France, will study the potential of controlled nuclear fusion to provide energy for mankind. In order to study the behaviour of this device, a set of monitoring systems (referred to as Diagnostics) is required. These Diagnostics will provide the information required to understand the performance of the device.

Infrastructure development for in-vessel diagnostic signal transmission
Infrastructure development for in-vessel diagnostic signal transmission
The Erosion Deposition Monitor under the divertor dome in ITER
The Erosion Deposition Monitor under the divertor dome in ITER
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