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    • 1. 发明申请
    • Thermoluminescent dosimeter for radiation monitoring, comprising LiF doped with Mg, Cu, and Si, and fabrication method thereof
    • 用于辐射监测的热发射剂量计,包括掺杂有Mg,Cu和Si的LiF及其制造方法
    • US20080142731A1
    • 2008-06-19
    • US11789916
    • 2007-04-26
    • Jang-Lyul KimJung-Il LeeJeong-Sun YangBong-Hwan KimJong-Soo Kim
    • Jang-Lyul KimJung-Il LeeJeong-Sun YangBong-Hwan KimJong-Soo Kim
    • G01T1/11
    • G01T1/11
    • Disclosed herein are a thermoluminescent dosimeter for radiation monitoring, comprising LiF doped with Mg, Cu and Si, and a fabrication method thereof. The LiF:Mg,Cu,Si thermoluminescent dosimeter is fabricated by heating a LiF-based thermoluminescent powder material having a composition of LiF mother material, 0.1-0.5 mol % of a Mg compound, 0.001-0.05 mol % of a Cu compound and 0.5-1.3 mol % of a Si compound to a temperature of 900-1200° C. to melt the LiF-based material, cooling the melted material, compression-molding the cooled material, sintering the molded material, cooling the sintered material, and then annealing the cooled material. The thermoluminescent dosimeter has high thermal stability and thus maintains constant thermoluminescence sensitivity even when it is annealed at a high temperature of more than 240° C. Moreover, it has a remarkably low residual signal, and shows excellent dosimetric characteristics, because it can maintain the same sensitivity as its initial readout value, even when it is reused.
    • 本文公开了一种用于辐射监测的热发光剂量计,其包括掺杂有Mg,Cu和Si的LiF及其制造方法。 LiF:Mg,Cu,Si热发光剂量计是通过加热LiF母体材料,0.1-0.5mol%的Mg化合物,0.001-0.05mol%的Cu化合物和0.5wt%的Cu化合物的LiF基热发光粉末材料 -1.3摩尔%的Si化合物至900-1200℃的温度以熔化LiF基材料,冷却熔融的材料,压缩模制冷却的材料,烧结模制材料,冷却烧结材料,然后 退火冷却材料。 热发光剂量计具有高的热稳定性,因此即使在高于240℃的高温下退火也能保持恒定的热发光灵敏度。此外,它具有非常低的残留信号,并且显示出优异的剂量特性,因为它可以保持 与其初始读数值相同的灵敏度,即使在重复使用时也是如此。
    • 3. 发明授权
    • Thermoluminescent dosimeter for radiation monitoring, comprising LiF doped with Mg, Cu, and Si, and fabrication method thereof
    • 用于辐射监测的热发射剂量计,包括掺杂有Mg,Cu和Si的LiF及其制造方法
    • US07592609B2
    • 2009-09-22
    • US11789916
    • 2007-04-26
    • Jang-Lyul KimJung-Il LeeJeong-Sun YangBong-Hwan KimJong-Soo Kim
    • Jang-Lyul KimJung-Il LeeJeong-Sun YangBong-Hwan KimJong-Soo Kim
    • H05B33/00G01T1/10
    • G01T1/11
    • Disclosed herein are a thermoluminescent dosimeter for radiation monitoring, comprising LiF doped with Mg, Cu and Si, and a fabrication method thereof. The LiF:Mg,Cu,Si thermoluminescent dosimeter is fabricated by heating a LiF-based thermoluminescent powder material having a composition of LiF mother material, 0.1-0.5 mol % of a Mg compound, 0.001-0.05 mol % of a Cu compound and 0.5-1.3 mol % of a Si compound to a temperature of 900-1200° C. to melt the LiF-based material, cooling the melted material, compression-molding the cooled material, sintering the molded material, cooling the sintered material, and then annealing the cooled material. The thermoluminescent dosimeter has high thermal stability and thus maintains constant thermoluminescence sensitivity even when it is annealed at a high temperature of more than 240° C. Moreover, it has a remarkably low residual signal, and shows excellent dosimetric characteristics, because it can maintain the same sensitivity as its initial readout value, even when it is reused.
    • 本文公开了一种用于辐射监测的热发光剂量计,其包括掺杂有Mg,Cu和Si的LiF及其制造方法。 LiF:Mg,Cu,Si热发光剂量计是通过加热LiF母体材料,0.1-0.5mol%的Mg化合物,0.001-0.05mol%的Cu化合物和0.5wt%的Cu化合物的LiF基热发光粉末材料 -1.3摩尔%的Si化合物至900-1200℃的温度以熔化LiF基材料,冷却熔融的材料,压缩模制冷却的材料,烧结模制材料,冷却烧结材料,然后 退火冷却材料。 热发光剂量计具有高的热稳定性,因此即使在高于240℃的高温下退火也能保持恒定的热发光灵敏度。此外,它具有非常低的残留信号,并且显示出优异的剂量特性,因为它可以保持 与其初始读数值相同的灵敏度,即使在重复使用时也是如此。