-
公开(公告)号：US07098460B2
公开(公告)日：2006-08-29
申请号：US10633969
申请日：2003-08-04
申请人： Robert Joseph Lyons , Martin Kin-Fei Lee , Venkat Subramaniam Venkataramani , Clifford Bueno , James Walter LeBlanc , James Scott Vartuli , Charles David Greskovich , Stephen F. Bancheri
发明人： Robert Joseph Lyons , Martin Kin-Fei Lee , Venkat Subramaniam Venkataramani , Clifford Bueno , James Walter LeBlanc , James Scott Vartuli , Charles David Greskovich , Stephen F. Bancheri
IPC分类号： G01T1/20
CPC分类号： G01T1/1648
摘要： A conversion device for use in an imaging system is provided. The conversion device includes a first perforated plate portion forming a plurality of collimator channels separated by a plurality of thin collimator walls. A second perforated plate portion forming a plurality of scintillator channels separated by a plurality of thin scintillator walls is attached to the first perforated plate portion. A reflective coating is applied to the inside scintillator surface of the plurality of thin scintillator walls. A scintillator material is filled into the plurality of scintillator channels.
摘要翻译： 提供了一种用于成像系统中的转换装置。 转换装置包括形成由多个薄的准直器壁隔开的多个准直器通道的第一多孔板部分。 形成由多个薄闪烁体壁隔开的多个闪烁体通道的第二穿孔板部分附接到第一多孔板部分。 将反射涂层施加到多个薄闪烁体壁的内部闪烁体表面。 闪烁体材料被填充到多个闪烁体通道中。
-
公开(公告)号：US07329875B2
公开(公告)日：2008-02-12
申请号：US10996261
申请日：2004-11-23
申请人： Kevin Paul McEvoy , James Scott Vartuli , Stephen Thomas Tedeschi , Steven Jude Duclos , Martin Kin-Fei Lee , Venkat Subramaniam Venkataramani , James Anthony Brewer , Robert Joseph Lyons , Mohandas Nayak
发明人： Kevin Paul McEvoy , James Scott Vartuli , Stephen Thomas Tedeschi , Steven Jude Duclos , Martin Kin-Fei Lee , Venkat Subramaniam Venkataramani , James Anthony Brewer , Robert Joseph Lyons , Mohandas Nayak
CPC分类号： G01T1/20 , G01T1/2018
摘要： A method of manufacturing a detector array for an imaging system, the method comprising providing a pixelated scintillator having a plurality of lost molded pixels comprising a scintillator material adapted to detect radiation.
摘要翻译： 一种制造用于成像系统的检测器阵列的方法，所述方法包括提供具有多个丢失的模制像素的像素化闪烁体，所述多个丢失模制像素包括适于检测辐射的闪烁体材料。
-
公开(公告)号：US20080237470A1
公开(公告)日：2008-10-02
申请号：US11728400
申请日：2007-03-26
申请人： Sergio Paulo Martins Loureiro , James Scott Vartuli , Brent Allen Clothier , Steven Jude Duclos , Mohan Manoharan , Patrick Roland Lucien Malenfant , Venkat Subramaniam Venkataramani , Clifford Bueno
发明人： Sergio Paulo Martins Loureiro , James Scott Vartuli , Brent Allen Clothier , Steven Jude Duclos , Mohan Manoharan , Patrick Roland Lucien Malenfant , Venkat Subramaniam Venkataramani , Clifford Bueno
IPC分类号： G01T1/20
摘要： A scintillation detector comprising nano-scale particles of a scintillation compound embedded in a plastic matrix is provided. The nano-scale particles may be made from metal oxides, metal oxyhalides, metal oxysulfides, or metal halides. Methods are provided for preparing the nano-scale particles. The particles may be coated with organic compounds or polymers prior to incorporation in the plastic matrix. A technique for matching the refractive index of the plastic matrix with the nano-scale particles by incorporating nano-scale particles of titanium dioxide is also provided. The scintillator may be coupled with one or more photodetectors to form a scintillation detection system. The scintillation detection system may be adapted for use in X-ray and radiation imaging devices, such as digital X-ray imaging, mammography, CT, PET, or SPECT, or may be used in radiation security detectors or subterranean radiation detectors.
摘要翻译： 提供一种闪烁检测器，其包括嵌入塑料基质中的闪烁化合物的纳米级粒子。 纳米级颗粒可以由金属氧化物，金属卤氧化物，金属氧硫化物或金属卤化物制成。 提供了制备纳米级颗粒的方法。 在掺入塑料基质之前，颗粒可以涂覆有机化合物或聚合物。 还提供了一种通过纳入二氧化钛纳米尺度颗粒来匹配塑料基质与纳米级颗粒的折射率的技术。 闪烁体可以与一个或多个光电检测器耦合以形成闪烁检测系统。 闪烁检测系统可以适用于X射线和放射线成像装置，例如数字X射线成像，乳房X线照相术，CT，PET或SPECT，或可用于辐射安全检测器或地下辐射检测器。
-
公开(公告)号：US07608829B2
公开(公告)日：2009-10-27
申请号：US11728400
申请日：2007-03-26
申请人： Sergio Paulo Martins Loureiro , James Scott Vartuli , Brent Allen Clothier , Steven Jude Duclos , Mohan Manoharan , Patrick Roland Lucien Malenfant , Venkat Subramaniam Venkataramani , Clifford Bueno
发明人： Sergio Paulo Martins Loureiro , James Scott Vartuli , Brent Allen Clothier , Steven Jude Duclos , Mohan Manoharan , Patrick Roland Lucien Malenfant , Venkat Subramaniam Venkataramani , Clifford Bueno
IPC分类号： C09K11/02
摘要： A scintillation detector comprising nano-scale particles of a scintillation compound embedded in a plastic matrix is provided. The nano-scale particles may be made from metal oxides, metal oxyhalides, metal oxysulfides, or metal halides. Methods are provided for preparing the nano-scale particles. The particles may be coated with organic compounds or polymers prior to incorporation in the plastic matrix. A technique for matching the refractive index of the plastic matrix with the nano-scale particles by incorporating nano-scale particles of titanium dioxide is also provided. The scintillator may be coupled with one or more photodetectors to form a scintillation detection system. The scintillation detection system may be adapted for use in X-ray and radiation imaging devices, such as digital X-ray imaging, mammography, CT, PET, or SPECT, or may be used in radiation security detectors or subterranean radiation detectors.
摘要翻译： 提供一种闪烁检测器，其包括嵌入塑料基质中的闪烁化合物的纳米级粒子。 纳米级颗粒可以由金属氧化物，金属卤氧化物，金属氧硫化物或金属卤化物制成。 提供了制备纳米级颗粒的方法。 在掺入塑料基质之前，颗粒可以涂覆有机化合物或聚合物。 还提供了一种通过纳入二氧化钛纳米尺度颗粒来匹配塑料基质与纳米级颗粒的折射率的技术。 闪烁体可以与一个或多个光电检测器耦合以形成闪烁检测系统。 闪烁检测系统可以适用于X射线和放射线成像装置，例如数字X射线成像，乳房X线照相术，CT，PET或SPECT，或可用于辐射安全检测器或地下辐射检测器。
-
5.发明授权Terbium or lutetium containing garnet scintillators having increased resistance to radiation damage 失效铽或镥含石榴石闪烁体具有增加的耐辐射损伤能力公开(公告)号：US06793848B2
公开(公告)日：2004-09-21
申请号：US10316151
申请日：2002-12-10
IPC分类号： C09K1108
CPC分类号： G01T1/2023 , C09K11/7769 , C09K11/7774 , C30B15/00 , C30B29/28 , C30B33/02
摘要： The present invention provides terbium or lutetium garnet x ray scintillators activated with a rare earth metal ion, such as cerium, and treated by annealing in a controlled atmosphere comprising a predetermined amount of oxygen for a predetermined time and temperature to reduce radiation damage that would otherwise occur when the scintillator material is exposed to high energy radiation, such as the type of radiation required to use the scintillator for medical radiographic imaging and the like. In an embodiment, a single crystal or a polycrystalline scintillator comprising the general formula (Tb1−xLuxCey)3Al5O12 (where 0
摘要翻译： 本发明提供了用稀土金属离子如铈活化的铽或镥石榴石x射线闪烁体，并在包含预定量的氧气的受控气氛中通过在预定时间和温度下进行退火处理，以减少否则将会导致辐射损伤 当闪烁体材料暴露于高能量辐射（例如使用用于医疗放射照相成像的闪烁体所需的辐射类型）等时，发生。 在一个实施方案中，包含通式（Tb1-xLuxCey）3Al5O12（其中0
-
公开(公告)号：US07700003B2
公开(公告)日：2010-04-20
申请号：US11668900
申请日：2007-01-30
申请人： Sergio Paulo Martins Loureiro , Alok Mani Srivastava , Kevin Paul McEvoy , Venkat Subramaniam Venkataramani , Steven Jude Duclos , James Scott Vartuli , Carl Joshua Vess
发明人： Sergio Paulo Martins Loureiro , Alok Mani Srivastava , Kevin Paul McEvoy , Venkat Subramaniam Venkataramani , Steven Jude Duclos , James Scott Vartuli , Carl Joshua Vess
CPC分类号： G01T1/202
摘要： A method is provided that includes heating a powder to a temperature that is below the melting point of the scintillator composition but is sufficiently high to form a coherent mass. The powder includes a scintillator composition. The coherent mass is polycrystalline and has a pulse height resolution that is less than 20 percent at 662 kilo electron volts; a light yield of more than 5000 photons per milli electron volt; or both a pulse height resolution that is less than 20 percent at 662 kilo electron volts and a light yield of more than 5000 photons per milli electron. A sintered body is provided also.
摘要翻译： 提供了一种方法，其包括将粉末加热到低于闪烁体组合物的熔点的温度，但是足够高以形成连续质量。 粉末包括闪烁体组合物。 相干质量为多晶，脉冲高度分辨率在662千伏特电压下小于20％; 每百万电子伏特的光产量超过5000光子; 或两者的脉冲高度分辨率在662千伏特电压下小于20％，每百万次电子的光产量高于5000光子。 也提供烧结体。
-
公开(公告)号：US20100230601A1
公开(公告)日：2010-09-16
申请号：US11668876
申请日：2007-01-30
申请人： Sergio Paulo Martins Loureiro , Alok Mani Srivastava , Kevin Paul McEvoy , Venkat Subramaniam Venkataramani , Steven Jude Duclos , James Scott Vartuli , Carl Joshua Vess
发明人： Sergio Paulo Martins Loureiro , Alok Mani Srivastava , Kevin Paul McEvoy , Venkat Subramaniam Venkataramani , Steven Jude Duclos , James Scott Vartuli , Carl Joshua Vess
CPC分类号： C09K11/772 , C04B35/5152 , C04B2235/3224 , C04B2235/3298 , C04B2235/608 , C04B2235/77 , G01T1/2023 , Y10T428/24628
摘要： A polycrystalline scintillator composition is provided. The polycrystalline scintillator composition is capable of being sintered to form a body having a pulse height resolution that is less than about 20 percent at 662 kilo electron volts. Also, an article formed form the polycrystalline scintillator composition is provided, as well as a radiation detector including the article.
摘要翻译： 提供了多晶闪烁体组合物。 多晶闪烁体组合物能够被烧结以形成具有在662千伏特电压下小于约20％的脉冲高度分辨率的主体。 此外，提供由多晶闪烁体组合物形成的制品，以及包括该制品的辐射检测器。
-
公开(公告)号：US06811760B2
公开(公告)日：2004-11-02
申请号：US09681405
申请日：2001-03-30
IPC分类号： C01F1700
CPC分类号： C01B13/18 , C01B13/14 , C01F17/0043 , C01P2004/03 , C01P2004/10 , C01P2004/61 , C01P2004/62 , C04B35/505 , C04B35/632
摘要： Acicular bodies of a metal compound are produced by slowly precipitating an organic salt of the metal from a solution of an ester of a dicarboxylic acid having 1-5 carbon atoms and firing the precipitate in an oxidizing atmosphere. These acicular bodies have a cross-sectional dimension less than about 20 &mgr;m and are useful for providing reinforcement of a larger ceramic body. Acicular bodies of rare-earth metal oxides also are useful in reinforcing x-ray scintillator bodies without diminishing their luminescent capacity.
摘要翻译： 金属化合物的针状体通过从具有1-5个碳原子的二羧酸的酯的溶液中缓慢沉淀金属的有机盐并在氧化气氛中焙烧沉淀物来制备。 这些针状体的横截面尺寸小于约20μm，并且可用于增加较大的陶瓷体。 稀土金属氧化物的针状体也可用于增强X射线闪烁体，而不会降低其发光能力。
-
9.发明授权Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage 有权含铽或镥的闪烁体组合物具有增加的耐辐射损伤性公开(公告)号：US07008558B2
公开(公告)日：2006-03-07
申请号：US10690794
申请日：2003-10-22
IPC分类号： C09K11/08
CPC分类号： C09K11/7774 , C04B35/01 , C04B35/44 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3286 , C04B2235/6584 , C04B2235/764 , C04B2235/9661
摘要： In some aspects, a scintillator composition includes, prior to annealing, the composition (G1-x-yAxREy)aDzO12, wherein D is selected from the group consisting of Al, Ga and In, G is selected from the group consisting of Tb, Y, La, Gd, and Yb, A is selected from the group consisting of Lu, Y, La, Gd, and Yb, and RE is selected from the group consisting of Ho, Er, Tm and Ce, and x is in the range from 0 up to about 0.2774, inclusive, y is in the range from about 0.001 up to about 0.012, inclusive, a is in the range 2.884 up to about 3.032, inclusive, and z is in the range from about 4.968 up to about 5.116, inclusive.
摘要翻译： 在一些方面，闪烁体组合物在退火之前包括组合物（G 1 -YX A x X 1） 其中D选自Al，Ga和In，G选自Tb，Y，N， La，Gd和Yb，A选自Lu，Y，La，Gd和Yb，RE选自Ho，Er，Tm和Ce，x在 0至约0.2774，其中y在约0.001至约0.012的范围内，其中a在2.884至约3.032范围内，并且z在约4.968至约5.116的范围内， 包括的。
-
公开(公告)号：US06585913B2
公开(公告)日：2003-07-01
申请号：US09918431
申请日：2001-07-30
申请人： Robert Joseph Lyons , Sergio Martins Loureiro , James Scott Vartuli , Venkat Subraman Venkataramani
发明人： Robert Joseph Lyons , Sergio Martins Loureiro , James Scott Vartuli , Venkat Subraman Venkataramani
IPC分类号： C09K1168
CPC分类号： C09K11/7776 , C03C10/00 , C04B35/495 , C04B35/62615 , C04B35/6265 , C04B2235/3201 , C04B2235/3224 , C04B2235/3225 , C04B2235/3229 , C04B2235/326 , C04B2235/44 , C09K11/7708
摘要： Scintillator compositions useful for the detection of high-energy radiation, such as X, &bgr;, or &ggr; radiation, contain alkali and rare earth pyrotungstates. In particular, the pyrotungstate is a double tungstate containing an oxide of an alkali metal selected from the group consisting of Na, K, Rb, and Cs and an oxide of a rare-earth element selected from the group consisting of Y, Gd, La, and Lu. The scintillators are characterized by high light output, reduced afterglow, short decay time, and high X-ray stopping power.
-
-
-
-
-
-
-
-
-
搜索结果
27 条记录 (耗时 0.039 秒)
