| 摘要 |
A non-destructive inspection device 10 in which back scattering of neutrons is utilized is provided with a neutron source 3 for emitting pulse neutron rays onto a surface 1a of an object to be examined 1, a neutron detecting device 5 for detecting scattered neutrons that have returned after scattering by the object to be examined 1, and a measurement device 7 for generating detection frequency data for measuring the frequency with which neutrons that have returned after scattering are detected by the neutron detecting device 5 and representing the detection frequency with respect to time. |
