| 摘要 |
<P>PROBLEM TO BE SOLVED: To thin thickness of a radiation shielding wall constructed around a radiation generator. Ž<P>SOLUTION: The radiation shielding wall is constructed around a radiation generator such as an electron linac linear accelerator, and it is characterized by that at least one part is formed by alternately laminating a metal layer composed of iron and a synthetic resin layer composed of polyethylene. It is preferable that a first metal layer is composed of iron, and a second and onward metal layer is composed of a laminated body of iron and lead. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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