The radioactive pottery plate which features that

摘要

PROBLEM TO BE SOLVED: To provide a radioactive ceramic board which has a ceramic board as a carrier, has a firm radiative layer and makes a radiation amount absorbed by glazing as small as possible.;SOLUTION: This radioactive ceramic board is characterized by forming the radiative layer comprising a natural radium fine powder on the surface of the ceramic board and glazing the surface of the radiative layer at a coverage of 5-60% before firing.;COPYRIGHT: (C)2004,JPO