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    • 82. 发明公开
    • DURCHFLUSSSZINTILLATIONSMESSZELLE UND HERSTELLUNGSVERFAHREN
    • EP1019752A1
    • 2000-07-19
    • EP98955376.3
    • 1998-10-02
    • FORSCHUNGSZENTRUM JÜLICH GMBH
    • ULLRICH, WernerWENZEL, Ulrich
    • G01T1/203
    • G01T1/203
    • The invention relates to a flow-through scintillation measuring cell and a method for producing a hose for the same. According to the invention, the scintillating material is deposited as a thin layer on the inner surface of a transparent or translucent, heat resistant plastic hose, whereby the material firmly clings to said inner surface. The scintillating material is then liquefied by heating. Afterwards, the hose is filled with the semiliquid, scintillating material by means of pressure or suction. The hose containing the scintillating material is then cooled. In addition, a passage through the hose is created in which the scintillating material is sufficiently heated again and blown out of said hose leaving a residue on the inner wall thereof. As a result, thin films having a thickness of less than 50 νm can be produced. In order to obtain the desired inner coating, a wire can alternatively be inserted at the beginning of the inventive method and pulled out after filling the hose with compacted scintillating material. A measuring cell with the inventive hose has an advantage in that the hose comprises a thin inner diameter of less than 1.5 mm.
    • 流通式闪烁测量单元及其制造软管的方法技术领域本发明涉及一种流通式闪烁测量单元及其制造软管的方法。 根据本发明,闪烁材料作为薄层沉积在透明或半透明耐热塑料软管的内表面上,由此材料牢固地紧贴在所述内表面上。 然后通过加热将闪烁材料液化。 之后,通过压力或吸力将软管充满半液体闪烁材料。 含有闪烁材料的软管然后被冷却。 此外,产生通过软管的通道,其中闪烁材料被再次充分加热并从所述软管吹出,在其内壁上留下残留物。 结果,可以制造厚度小于50νm的薄膜。 为了获得所需的内涂层,可以在本发明的方法开始时替代地插入导线,并且在用压实的闪烁材料填充软管之后拔出导线。 具有本发明软管的测量单元具有的优点在于软管包括小于1.5mm的薄内径。
    • 85. 发明公开
    • High efficiency, high resolution, real-time radiographic imaging system
    • 射线照相系统在Echtzeit mit hohem Wirkungsgrad und hoherAuflösung。
    • EP0606732A1
    • 1994-07-20
    • EP93309906.1
    • 1993-12-09
    • NANOPTICS INCORPORATED
    • Walker, James KingTymianski, Jacob Raphael
    • G01T5/08G01T1/203
    • G01T1/201G01T1/203G02B6/02033
    • A new scintillating optical fiber is used in an array as a scintillator plate for imaging with high energy radiation, particles and the like. The scintillating optical fiber is an inner plastic core fiber which is transparent to visible radiation and has an index of refraction of about 1.45 or greater, and the inner plastic core fiber has a plastic cladding material which has an index of refraction less than that of the inner plastic core fiber. The inner plastic core fiber contains a polymeric matrix material; a metal moiety; and an organic fluorescent material. The scintillator plates are useful in producing high efficiency and high resolution radiographic systems for x-ray medical diagnosis or non-destructive inspection as well as non-destructive inspection with thermal neutrons. In medical x-ray applications, such as mammography, the need for lower doses of x-rays for a given image quality is met and exceeded by the higher detection efficiency of these scintillator plates and their associated electronic read-out system.
    • 在阵列中使用新的闪烁光纤作为用于用高能辐射,粒子等进行成像的闪烁体板。 闪烁光纤是对可见光辐射透明并具有约1.45或更大的折射率的内部塑料芯纤维,并且内部塑料芯纤维具有塑性包层材料,其折射率小于 内塑芯纤维。 内部塑料芯纤维含有聚合物基质材料; 金属部分; 和有机荧光材料。 闪烁体板可用于生产用于X射线医学诊断或非破坏性检查的高效率和高分辨率射线照相系统以及具有热中子的非破坏性检查。 在诸如乳房X线照相术的医学X射线应用中,由于这些闪烁体板及其相关的电子读出系统的更高的检测效率,满足和超出了给定图像质量的较低剂量的x射线的需要。