| 摘要 |
<p>A shielding facility serves to prevent x-rays or η-rays which are generated by, for example, irradiation of electron beam from leaking out of an opening through a shield passage. The shielding facility includes a shielding wall (2) defining therein a shield passage (3) having an inlet opening and an outlet opening. The shielding wall (2) is adapted to accommodate a source (1) which generates x-rays or η-rays. The shielding facility further includes a plurality of partition walls (7-1, 7-2 and 7-3) disposed in the shield passage (3). The partition walls (7-1, 7-2 and 7-3) are bent at least one time between the inlet opening and the outlet opening of the shield passage (3).</p> |
