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    • 7. 发明授权
    • High performance CT reflector for a scintillator array and method for making same
    • 用于闪烁体阵列的高性能CT反射器及其制造方法
    • US07164134B2
    • 2007-01-16
    • US10632277
    • 2003-08-01
    • Chang WeiRobert Joseph LyonsRichard Louis HartJaime Andres EcheverryWendy Wen-Ling Lin
    • Chang WeiRobert Joseph LyonsRichard Louis HartJaime Andres EcheverryWendy Wen-Ling Lin
    • G01T1/202G01T1/24G01N23/083H05G1/64
    • G01T1/2002
    • An apparatus and method for fabricating a high performance reflective material for use on scintillator elements in a computed tomograph (CT) imaging device. Adjacent scintillator elements are separated by gaps filled with a reflective coating layer. In one embodiment, the reflective coating layer consists of a surface level coating layer, an adhesion layer, a metallic reflective layer, and a top layer consisting of either a barrier coating layer or a polymeric encapsulant, or both. In another embodiment, the metallic reflective coating layer is applied to the scintillator element via an electroless metal deposition process utilizing a reducing agent and a metal complex. The CT reflectors formed by either embodiment have improved light output, minimized cross talk, higher geometric efficiency, and decreased performance degradation as compared with current CT reflectors that utilize organic binders and titanium dioxide fillers is achieved.
    • 一种用于制造用于计算机断层摄影(CT)成像装置中的闪烁体元件的高性能反射材料的装置和方法。 相邻的闪烁体元件由填充有反射涂层的间隙分开。 在一个实施例中,反射涂层由表面层涂层,粘合层,金属反射层和由阻挡涂层或聚合物密封剂组成的顶层或两者组成。 在另一个实施例中,通过使用还原剂和金属络合物的无电金属沉积方法将金属反射涂层施加到闪烁体元件。 与使用有机粘合剂和二氧化钛填料的当前CT反射器相比,由任一实施例形成的CT反射器具有改善的光输出,最小化串扰,更高的几何效率和降低的性能降级。