J-PARC/MLF started its operation in 2008. Although its power stayed at 20kW at the beginning, it was gradually increased, and now 300kW. The main objectives of J-PARC/MLF are science and industrial applications. Through Shared Use Program of Facilities operated by JAEA and Trial Use System sponsored by MEXT using JRR-3, begun in 2006, the industrial applications have been remarkably increasing. In 2008, the allocated proposals for JRR-3 occupied about 15%, in which the proprietary uses exceeded more than 50%. This means the industries recognized the effectiveness and applicability of neutron scattering. On the other hand, the allocated proposals for J-PARC/MLF occupy 33.3% in the period from 2008 to 2013. This value is incredibly high for the world’s most advanced experimental facilities. Every industry from material fabricators to automobile assembly makers is using J-PARC/MLF and JRR-3. Lithium ion battery is major challenge and occupies about 50% in the industrial proposals. This paper describes the present status of industrial application of neutron scattering.
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