PROBLEM TO BE SOLVED: To provide a radon emitter or a radon radiation device capable of stably radiating radon and achieving efficient radon bath further.;SOLUTION: The radon emitter is formed in a rectangular plate shape as a whole and provided with recessed and projected lines 2 comprising many waveforms on the surface. The radon emitter 1 is obtained by firstly mixing following materials (A)-(D) to form a fluid and pouring the fluid 3 from a container 4 to a die material 5: (A) powder containing radium ores, which is a mixture of a radium ore crushed object obtained by crushing radium-containing ores into powder whose particle size is 10-80 microns and a marble crushed object obtained by crushing marbles into powder whose particle size is 100-200 microns; (B) powder of calcium carbonate; (C) powder of an acrylic resin; and (D) water.;COPYRIGHT: (C)2011,JPO&INPIT
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