公开(公告)号：US20070170397A1

公开(公告)日：2007-07-26

申请号：US11716471

申请日：2007-03-09

申请人： Jean-Pierre Tahon ,  Paul Leblans ,  Johan Lamotte

发明人： Jean-Pierre Tahon ,  Paul Leblans ,  Johan Lamotte

IPC分类号： C09K11/61 ,  B05D5/12 ,  C23C16/00

CPC分类号： C09K11/7733 ,  C23C14/0694

摘要： In a method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image forming methods for recording and reproducing images of objects made by high energy radiation, said CsX:Eu stimulable phosphors are essentially free from oxygen in their crystal structure, wherein X represents a halide selected from the group consisting of Br, Cl and combinations thereof; and wherein the method further comprises the steps of mixing CsX with a compound or combinations of compounds having as a composition CsxEuyX′x+αy, wherein the ratio of x to y exceeds a value of 0.25, wherein α≧2 and wherein X′ is a halide selected from the group consisting of Cl, Br and I and combinations thereof; heating said mixture at a temperature above 450° C.; cooling said mixture, and, optionally, annealing and recovering said CsX:Eu phosphor.

公开(公告)号：US20070122544A1

公开(公告)日：2007-05-31

申请号：US11600656

申请日：2006-11-16

申请人： Jean-Pierre Tahon ,  Paul Leblans

发明人： Jean-Pierre Tahon ,  Paul Leblans

IPC分类号： B05D5/12 ,  B05B5/00 ,  C23C16/00

CPC分类号： G21K4/00 ,  C09K11/7733

摘要： In a method of increasing humidity stability of a storage phosphor panel having a phosphor layer coated onto a support by vapor depositing raw phosphor precursor materials of a matrix and an activator component from one or more crucible(s) and/or crucible unit(s) in a vapor deposition apparatus, after ending vapor depositing an additional “over-annealing” step is performed in humidity conditions wherein more than 10 g of water per cubic meter of dry conditioning air is present.

摘要翻译： 在通过从一个或多个坩埚和/或坩埚单元气相沉积基质和活化剂组分的原始荧光体前体材料来提高具有涂覆在载体上的荧光体层的存储荧光体面板的湿度稳定性的方法中， 在气相沉积装置中，在结束气相沉积之后，在湿度条件下进行额外的“过退火”步骤，其中存在每立方米干燥空气中超过10g水。

公开(公告)号：US20070098880A1

公开(公告)日：2007-05-03

申请号：US11583484

申请日：2006-10-18

申请人： Jean-Pierre Tahon ,  Guido Verreycken ,  Paul Leblans

发明人： Jean-Pierre Tahon ,  Guido Verreycken ,  Paul Leblans

IPC分类号： B05D5/06

CPC分类号： C23C14/0694 ,  C09K11/7733 ,  C23C14/24 ,  G21K4/00

摘要： In a method of preparing a storage phosphor layer on a support by vapor deposition from a crucible unit by heating as phosphor precursor raw materials a matrix component and an activator component or a precursor component thereof, wherein said crucible unit comprises at least a bottom and surrounding side walls as a crucible for phosphor precursor raw materials present in said crucible in liquid form, wherein said crucible unit further comprises at least a chimney as part of the crucible unit and a slit allowing phosphor precursor raw materials to escape in vaporized form from said crucible unit in order to deposit it as a phosphor layer onto said support, the step of heating said precursor raw materials in the crucible in liquid form proceeds up to a temperature T1 and the step of heating said precursor raw materials in vaporized form in said chimney, proceeds up to a temperature T2, characterized in that a positive difference in temperature [T2−T1] is maintained.

摘要翻译： 在通过作为荧光体前体原料加热作为荧光体前体原料的基质组分和活化剂组分或其前体组分通过气相沉积在载体上制备存储磷光体层的方法，其中所述坩埚单元至少包括底部和周围 作为用于以液体形式存在于所述坩埚中的荧光体前体原料的坩埚的侧壁，其中所述坩埚单元还包括至少一个作为所述坩埚单元的一部分的烟囱和允许荧光体前体原料从所述坩埚以蒸发形式逸出的狭缝 单元以将其作为荧光体层沉积到所述载体上，以液体形式加热坩埚中的前体原料的步骤达到温度T 1，并且将所述前体原料蒸发在所述烟囱中的步骤 进行到温度T 2，其特征在于保持温度的正差异[T 2 -T 1]。

公开(公告)号：US20070075269A1

公开(公告)日：2007-04-05

申请号：US11511582

申请日：2006-08-29

申请人： Paul Leblans ,  Ilse Mans ,  Rudy Van den Bergh ,  Jean-Pierre Tahon ,  Martine Meeusen

发明人： Paul Leblans ,  Ilse Mans ,  Rudy Van den Bergh ,  Jean-Pierre Tahon ,  Martine Meeusen

IPC分类号： G03B42/08

CPC分类号： G21K4/00 ,  C09K11/7733

摘要： A photostimulable storage phosphor screen or panel suitable for use in mammographic applications comprises on a support, a storage phosphor layer and, adjacent thereto, an outermost top-coat layer, wherein said top-coat layer has a roughness profile such that an average spacing between peaks as measured by means of a stylus profiler over and along its scan-distance, is less than 250 μm.

摘要翻译： 适用于乳房X射线应用的可光激发储存荧光屏或面板包括在支撑体上，存储磷光体层和与其相邻的最外面涂层，其中所述顶涂层具有粗糙度轮廓，使得平均间隔 通过触针分析仪在其扫描距离之上和之上测量的峰值小于250μm。

公开(公告)号：US07170077B2

公开(公告)日：2007-01-30

申请号：US11222511

申请日：2005-09-08

申请人： Johan Lamotte ,  Jean-Pierre Tahon ,  Paul Leblans

发明人： Johan Lamotte ,  Jean-Pierre Tahon ,  Paul Leblans

IPC分类号： H05B33/00 ,  C09K11/62

CPC分类号： G21K4/00 ,  C09K11/7733

摘要： An image storage screen or panel, suitable for use in applications related with computed radiography comprises, on a support, a binderless needle-shaped stimulable CsBr:Eu phosphor layer, wherein, besides low amounts of a europium activator or dopant in favor of homogeneous distribution of said activator in the CsBr matrix, presence of well-defined amounts of rubidium halide and cesium chloride in said matrix, and, optionally, further presence of alkali metal, alkaline earth metal and/or metal earth salts, and/or, optionally, other metal salts or oxides, provides a remarkable speed increase, without loss in sharpness.

摘要翻译： 适用于与计算机X线照相术有关的应用的图像存储屏幕或面板包括在支撑体上的无粘合剂针状可刺激CsBr：Eu荧光体层，其中除了少量的铕激活剂或掺杂剂之外，还有利于均匀分布 的CsBr基质中的所述活化剂，在所述基质中存在明确量的卤化铷和氯化铯，以及任选地进一步存在碱金属，碱土金属和/或金属土盐，和/或任选地， 其他金属盐或氧化物提供显着的速度增加，而没有锐度损失。

公开(公告)号：US20060076525A1

公开(公告)日：2006-04-13

申请号：US11222511

申请日：2005-09-08

申请人： Johan Lamotte ,  Jean-Pierre Tahon ,  Paul Leblans

发明人： Johan Lamotte ,  Jean-Pierre Tahon ,  Paul Leblans

IPC分类号： G03C5/16

CPC分类号： G21K4/00 ,  C09K11/7733

摘要： An image storage screen or panel, suitable for use in applications related with computed radiography comprises, on a support, a binderless needle-shaped stimulable CsBr:Eu phosphor layer, wherein, besides low amounts of a europium activator or dopant in favor of homogeneous distribution of said activator in the CsBr matrix, presence of well-defined amounts of rubidium halide and cesium chloride in said matrix, and, optionally, further presence of alkali metal, alkaline earth metal and/or metal earth salts, and/or, optionally, other metal salts or oxides, provides a remarkable speed increase, without loss in sharpness.

公开(公告)号：US20050186329A1

公开(公告)日：2005-08-25

申请号：US11049233

申请日：2005-02-02

申请人： Jean-Pierre Tahon ,  Paul Leblans ,  Johan Lamotte

发明人： Jean-Pierre Tahon ,  Paul Leblans ,  Johan Lamotte

IPC分类号： B05D5/12

CPC分类号： C09K11/7733

摘要： A method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image forming methods for recording and reproducing images of objects made by high energy radiation, wherein said CsX:Eu stimulable phosphors are essentially free from oxygen in their crystal structure, and wherein X represents a halide selected from the group consisting of Br, Cl and combinations thereof, and wherein the method further makes use of starting compounds (precursors) or combinations of precursors for the synthesis of said CsX:Eu stimulable phosphors, said precursors (starting compounds) having as a composition CsxEuyX′x+αy, wherein the ratio of x to y exceeds a value of 0.25, wherein α>2 and wherein X′ is a halide selected from the group consisting of Cl, Br and I and combinations thereof; heating said mixture at a temperature above 450° C.; cooling said mixture, and optionally annealing and recovering said CsX:Eu phosphor.

摘要翻译： 一种生产CsX：Eu可激发的荧光体和屏幕或面板的方法，所述荧光体具有所述磷光体作为粉末磷光体或气相沉积的针状磷光体，适用于用于记录和再现由高能量辐射制成的物体的图像的图像形成方法，其中所述CsX ：Eu可激发荧光体在其晶体结构中基本上不含氧，其中X表示选自Br，Cl及其组合的卤化物，并且其中该方法进一步利用起始化合物（前体）或前体的组合 为了合成所述CsX：Eu可激发的荧光体，所述前体（起始化合物）具有组成Cs x x Eu x Y x + alphay 2，其中X'是选自Cl，Br和I的卤化物及其组合; 在高于450℃的温度下加热所述混合物; 冷却所述混合物，并且任选地退火和回收所述CsX：Eu荧光体。

公开(公告)号：US20090162535A1

公开(公告)日：2009-06-25

申请号：US11962515

申请日：2007-12-21

申请人： Jean-Pierre Tahon ,  Paul Leblans

发明人： Jean-Pierre Tahon ,  Paul Leblans

IPC分类号： B05D5/06 ,  C23C16/00

CPC分类号： C23C14/243 ,  C09K11/7733 ,  C23C16/30

摘要： In a method of preparing a storage phosphor or a scintillator layer on a support by vapor depositing from a crucible unit in a vapor deposition apparatus, while heating as phosphor or scintillator precursor raw materials a matrix component and an activator component or a precursor component thereof, said crucible unit comprises a bottom and surrounding side walls as a container for the said phosphor or scintillator precursor raw materials present in said crucible, said crucible is provided with an internal lid with perforations (5) and said crucible unit further comprises a chimney as part of the said crucible unit and a slit allowing molten, liquefied phosphor or scintillator precursor raw materials to escape in vaporized form under reduced pressure from said crucible unit in order to become deposited as a phosphor or scintillator layer onto said support; and at least one heating means (1) in the chimney (2) is positioned under a heat shield with a slit (3) and a slot outlet (3′), covering thereby said crucible unit and making part of said chimney (2), so that said heating means (1) cannot be observed when looking into the vaporization unit through said slot outlet (3′) from any point in the plane of the said support present as a vapor deposition target in the said vapor deposition apparatus and, while vaporizing said phosphor or scintillator precursor raw materials, a vapor cloud escapes from said slot outlet (3′) in the direction of the said support so that the ratio of the longest radius of the said vapor cloud versus the radius perpendicular thereto, when projected onto the phosphor or scintillator plate or panel from whatever an intersection through the said vapor cloud between slot outlet (3′) and support is at least 1.3, said intersection being taken parallel with the said support.

摘要翻译： 在通过气相沉积设备中的坩埚单元气相沉积制备载体上的存储荧光体或闪烁体层的方法中，在作为荧光体或闪烁体前体原料加热基质组分和活化剂组分或其前体组分的同时， 所述坩埚单元包括作为用于存在于所述坩埚中的所述荧光体或闪烁体前体原料的容器的底部和周围侧壁，所述坩埚设置有具有穿孔（5）的内部盖，并且所述坩埚单元还包括作为部分的烟囱 并且允许熔融，液化的荧光体或闪烁体前体原料在减压下从所述坩埚单元逸出，以便作为荧光体或闪烁体层沉积到所述载体上; 并且烟囱（2）中的至少一个加热装置（1）位于具有缝隙（3）和狭槽出口（3'）的隔热罩下面，从而覆盖所述坩埚单元并使所述烟囱（2）的一部分， 使得当在所述气相沉积设备中作为气相沉积靶存在的所述载体的平面中的任何点从所述槽出口（3'）观察蒸发单元时，不能观察到所述加热装置（1） 在蒸发所述荧光体或闪烁体前体原料的同时，蒸气云在所述支撑件的方向上从所述槽出口（3'）逸出，使得当投影时所述蒸气云的最长半径与其垂直的半径的比率 在槽出口（3'）和支撑件之间的任何交叉点通过所述蒸气云的至少1.3°的距离处于荧光体或闪烁体板或面板上，所述交点与所述支撑平行。

公开(公告)号：US20090001287A1

公开(公告)日：2009-01-01

申请号：US12168962

申请日：2008-07-08

申请人： Paul Leblans ,  Ilse Mans ,  Jean-Pierre Tahon ,  Ludo Neyens

发明人： Paul Leblans ,  Ilse Mans ,  Jean-Pierre Tahon ,  Ludo Neyens

IPC分类号： H05B33/00

CPC分类号： G21K4/00 ,  C09K11/7733

摘要： In a photostimulable storage phosphor screen or panel wherein said screen comprises storage phosphor particles dispersed in a binder and wherein said particles have a particle size distribution having a d99 which is not more than 15 μm, said d99 expressing a grain size limit above which not more than 1% by weight of phosphor powder particles is present in said phosphor powder, its structure noise parameter DQE2rel exceeds a value of 0.70 and a ratio of d99 (expressed in μm) and DQE2rel is not more than 25:1, wherein DQE2rel is the ratio of the DQE2 obtained at a dose of 22 mR to the DQE2 obtained at a dose of 3 mR, as expressed in formula (I) DQE2rel=DQE2(22 mR))/DQE2(3 mR)  (I) which is representative for an amount of screen-structure noise produced by said screen or panel in the complete spatial frequency range.

摘要翻译： 在可光激励的存储荧光屏或面板中，其中所述屏幕包括分散在粘合剂中的储存荧光体颗粒，并且其中所述颗粒的粒度分布具有不大于15μm的d99，所述d99表达晶粒尺寸极限，其上不超过 所述荧光体粉末中存在1重量％以下的荧光体粉末颗粒，其结构噪声参数DQE2rel超过0.70，d99（以mum表示）与DQE2rel的比例不超过25:1，其中DQE2rel为 在式（I）中表示的剂量为22mR时获得的DQE2与以3mR的剂量获得的DQE2的比例<？in-line-formula description =“In-line Formulas”end =“lead”？ > DQE2rel = DQE2（22mR））/ DQE2（3mR）（I）<？在线公式描述=“在线公式”end =“tail”？>其代表屏幕结构的量 在整个空间频率范围内由所述屏幕或面板产生的噪声。

公开(公告)号：US07446323B2

公开(公告)日：2008-11-04

申请号：US11511923

申请日：2006-08-29

申请人： Paul Leblans ,  Ilse Mans ,  Jean-Pierre Tahon ,  Ludo Neyens

发明人： Paul Leblans ,  Ilse Mans ,  Jean-Pierre Tahon ,  Ludo Neyens

IPC分类号： G03B42/00

CPC分类号： G21K4/00 ,  C09K11/7733

摘要： In a photostimulable storage phosphor screen or panel wherein said screen comprises storage phosphor particles dispersed in a binder and wherein said particles have a particle size distribution having a d99 which is not more than 15 μm, said d99 expressing a grain size limit above which not more than 1% by weight of phosphor powder particles is present in said phosphor powder, its structure noise parameter DQE2rel exceeds a value of 0.70 and a ratio of d99 (expressed in μm) and DQE2rel is not more than 25:1, wherein DQE2rel is the ratio of the DQE2 obtained at a dose of 22 mR to the DQE2 obtained at a dose of 3 mR, as expressed in formula (I) DQE2rel=DQE2(22 mR))/DQE2(3 mR)  (I) which is representative for an amount of screen-structure noise produced by said screen or panel in the complete spatial frequency range.

摘要翻译： 在可光激励的存储荧光屏或面板中，其中所述屏幕包括分散在粘合剂中的储存磷光体颗粒，并且其中所述颗粒的粒度分布具有不大于15μm的粒子，所述d _{99 表示超过该荧光体粉末中不超过1重量％的荧光体粉末颗粒的晶粒尺寸极限，其结构噪声参数DQE 2 超过0.70 并且d 99（以mum表示）与DQE 2 REL之比的比例不大于25:1，其中DQE 2 N rel 由整个屏幕或面板产生的结构噪声 空间频率范围。}