Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eiji Oyaizu0
Date of Patent
April 12, 2011
0Patent Application Number
118167780
Date Filed
February 16, 2006
0Patent Primary Examiner
Patent abstract
A radiation shielding sheet formed by filling a shielding material into an organic polymer material. The shielding material is an oxide powder containing at least one element selected from the group consisting of lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu) and gadolinium (Gd). The oxide powder has an average grain size of 1 to 20 μm, and a volumetric ratio of the shielding material filled in the radiation shielding sheet is 40 to 80 vol. %.
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