Iter's in-wall shielding design underwent its final design review in late January. The shielding modules will be inserted between the double walls of the vacuum vessel of the International Thermonuclear Experimental Reactor, the magnetic fusion experimental device that is in its early construction stages in Cadarache, France. The borated and ferritic stainless steel plates are intended to block neutrons and reduce field rippling, which could produce hot spots that could damage the first wall. India will provide more than 600 shielding blocks for installation in sections of the vacuum vessel that are to be assembled in South Korea and in European Union countries, with other blocks delivered to Cadarache for installation when the vessel segments are assembled on site.
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