抄録
An overview of the development of the compact neutron source is briefly described. Recent development
of a neutron source as well as measurement technique is opening a new era for a small neutron source as
a practical probe for materials science. In order to utilize neutron beam as a research probe, there are
several ingredients such as handling technique of the neutron beam, the development of time-of-flight
measurement technique, and the development of high efficiency neutron detectors, and none of them can
lack for a practical instrument. It is also emphasized that the protection from radiation and costs for
construction as well as daily operation are two more indispensable factors to be carefully considered.