专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20090242836A1 X-RAY IMAGING PHOTOSTIMULABLE PHOSPHOR SCREEN OR PANEL 审中-公开
标题翻译： X射线成像可光化荧光屏或面板
公开(公告)号：US20090242836A1
公开(公告)日：2009-10-01
申请号：US12327187
申请日：2008-12-03
申请人： Jean-Pierre Tahon , Jens Lenaerts , Laszlo Vincze , Geert Silversmit , Paul Leblans
发明人： Jean-Pierre Tahon , Jens Lenaerts , Laszlo Vincze , Geert Silversmit , Paul Leblans
IPC分类号： C09K11/77 , C23C16/00
CPC分类号： G21K4/00 , C09K11/7733
摘要： In a method of preparing a phosphor or scintillator layer to become deposited on a support, a vapor depositing step is applied from a crucible unit by heating as phosphor precursor raw materials present in said crucible, a Cs(X,X′) matrix compound and an activator or dopant precursor compound, wherein said crucible unit comprises at least a bottom and surrounding side walls as a container for phosphor precursor raw materials present in said crucible in liquefied form after heating said crucible, and wherein said Cs(X,X′) matrix compound has a higher vapor pressure than said activator or dopant precursor compound, said method comprising a step of providing said activator or dopant compound in form of a precursor raw material represented by the formula CsxEuyX′(x+αy), wherein x, y and α are integers, wherein x/y is more than 0.25 and wherein α is at least 2, wherein X represents Br and wherein X′ stands for F, Cl, Br, I or a combination thereof; followed by an annealing step after a vapor depositing step, provided that said annealing step proceeds in an ambient atmosphere after cooling said phosphor or scintillator layer, deposited on said support; and wherein as a result a binderless needle-shaped Cs(X,X′):Eu phosphor or scintillator layer becomes provided, having on top of its needle-shaped phosphors, aligned in parallel, an average ratio of divalent to trivalent europium dopant of more than 1:1; wherein said average ratio decreases to an extent of less than 2% per hour, while being exposed to X-rays having an energy in the range from 1 to 100 keV.
摘要翻译：在制备荧光体或闪烁体层以沉积在载体上的方法中，通过加热坩埚单元中的荧光体前体原料，Cs（X，X'）基质化合物和活化剂或掺杂剂前体化合物，其中所述坩埚单元至少包括作为用于在加热所述坩埚之后以液化形式存在于所述坩埚中的荧光体前体原料的容器的底部和周围侧壁，并且其中所述Cs（X，X'）基质化合物具有比所述活化剂或掺杂剂前体化合物更高的蒸气压，所述方法包括以由式CsxEuyX'（x + alphay）表示的前体原料的形式提供所述活化剂或掺杂剂化合物的步骤，其中x，y 并且α是整数，其中x / y大于0.25，并且其中α是至少2，其中X表示Br，并且其中X'代表F，Cl，Br，I或它们的组合; 然后在气相沉积步骤之后进行退火步骤，只要所述退火步骤在冷却所述荧光体或闪烁体层之后在环境气氛中进行，沉积在所述载体上; 并且其中结果是提供无粘合剂的针状Cs（X，X'）：Eu荧光体或闪烁体层，其在其针状荧光体的顶部平行排列，二价至三价铕掺杂剂的平均比例超过1：1; 其中所述平均比例降低到小于2％/小时的程度，同时暴露于能量在1至100keV范围内的X射线。

2. 发明申请

US20140186657A1 STORAGE SCREENS FOR MEDICAL RADIOGRAPHY 有权
标题翻译：存储屏幕用于医学放射学
公开(公告)号：US20140186657A1
公开(公告)日：2014-07-03
申请号：US14117333
申请日：2012-05-23
申请人： Paul Leblans , Jean-Pierre Tahon
发明人： Paul Leblans , Jean-Pierre Tahon
IPC分类号： A61B6/00
CPC分类号： A61B6/4216 , G21K4/00
摘要： The present invention concerns a method for the treatment of stimulable phosphors and/or screens for use in diagnosis, in particular medical radiography. The method comprises subjecting the stimulable phosphors and/or screens to an epoxide containing gaseous compound, promptly following their manufacture. By applying the method according to the invention yellowing of the stimulable phosphors and/or screens is prevented in a safe and efficient manner; thereby the disadvantages known as such resulting from such yellowing will not occur.
摘要翻译：本发明涉及用于治疗用于诊断，特别是医学射线照相术的可刺激的荧光体和/或屏幕的方法。该方法包括将可刺激的荧光体和/或筛网经过其制备后立即进行含环氧化物的气态化合物的处理。通过应用根据本发明的方法，以安全和有效的方式防止可刺激的荧光体和/或筛网变黄; 从而不会发生由于这种变黄所导致的缺点。

3. 发明申请

US20080035867A1 Method of erasing storage phosphor panels 审中-公开
标题翻译：擦除存储荧光粉板的方法
公开(公告)号：US20080035867A1
公开(公告)日：2008-02-14
申请号：US11825435
申请日：2007-07-06
申请人： Luc Struye , Paul Leblans , Jean-Pierre Tahon
发明人： Luc Struye , Paul Leblans , Jean-Pierre Tahon
IPC分类号： G01T1/105
CPC分类号： G01T1/2016
摘要： In a method of reading a radiation image, stored in a CsBr:Eu type binderless needle-shaped photostimulable or storage phosphor screen after X-ray exposure of said screen, said method comprises the steps of: (1) erasing thermally stimulable energy by exposing said screen to infrared radiation in the wavelength range from 1000 nm to 1550 nm; (2) stimulating said phosphor screen by means of stimulating radiation in the range from 550 to 850 nm; (3) detecting light emitted by the phosphor screen upon stimulation and converting the detected light into a signal representation of said radiation image; (4) erasing said phosphor screen by exposing it to erasing light in the wavelength range of 300 nm to 1500 nm.
摘要翻译：在所述屏幕的X射线曝光之后，读取存储在CsBr：Eu型无粘合剂针状可光激励或储存荧光屏中的放射线图像的方法，所述方法包括以下步骤：（1）通过曝光消除热刺激能量所述屏幕在1000nm至1550nm的波长范围内的红外辐射; （2）通过刺激550至850nm范围内的辐射来刺激所述荧光屏; （3）在刺激时检测由荧光屏发射的光，并将检测到的光转换成所述辐射图像的信号表示; （4）通过将所述荧光屏曝光于300nm至1500nm的波长范围的擦除光来擦除所述荧光屏。

4. 发明申请

US20070246660A1 Radiation image phosphor or scintillator panel 审中-公开
标题翻译：辐射图像荧光体或闪烁体面板
公开(公告)号：US20070246660A1
公开(公告)日：2007-10-25
申请号：US11716846
申请日：2007-03-12
申请人： Jean-Pierre Tahon , Paul Leblans , Carlo Uyttendaele
发明人： Jean-Pierre Tahon , Paul Leblans , Carlo Uyttendaele
IPC分类号： G03B42/08
CPC分类号： G03B42/08
摘要： In favor of lowering corrosion of a radiation image phosphor or scintillator panel comprising, as a layer arrangement of consecutive layers, an anodized aluminum support, a sublayer and a phosphor or scintillator layer having needle-shaped phosphor or scintillator crystals, said sublayer comprises an inorganic metal oxide or a metal compound and has a thickness in the range from 0.1 μm to 2.5 μm.
摘要翻译：为了降低辐射图像荧光体或闪烁体面板的腐蚀，包括作为连续层的层布置的阳极氧化铝载体，子层和具有针状荧光体或闪烁体晶体的荧光体或闪烁体层，所述子层包含无机金属氧化物或金属化合物，其厚度为0.1μm〜2.5μm。

5. 发明授权

US07276182B2 Method of preparing storage phosphors from dedicated precursors 失效
标题翻译：从专用前体制备储存磷光体的方法
公开(公告)号：US07276182B2
公开(公告)日：2007-10-02
申请号：US11049249
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： C09K11/61
CPC分类号： C09K11/7733 , G21K4/00
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.
摘要翻译：在适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中使用的作为粉末荧光体或气相沉积针状荧光体的提供有所述荧光体的荧光体的CsX：Eu可激发荧光体和屏幕或面板的方法中，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; 并且其中所述方法还包括以下步骤：将CsX与化合物或具有组合物的化合物的混合物混合，其中X 1，其中x与y的比值超过0.25，其中α> = 2，其中X'为选自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。

6. 发明申请

US20070170397A1 Method of preparing storage phosphors from dedicated precursors 审中-公开
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.

7. 发明申请

US20070122544A1 Method of stabilizing storage phosphor panels 审中-公开
标题翻译：稳定储存荧光粉板的方法
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。

8. 发明申请

US20090162535A1 METHOD OF FORMING A PHOSPHOR OR SCINTILLATOR MATERIAL AND VAPOR DEPOSITION APPARATUS USED THEREFOR 审中-公开
标题翻译：形成磷光体或光刻胶材料的方法及其使用的蒸发沉积装置
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。

9. 发明申请

US20090001287A1 RADIATION IMAGE STORAGE PANEL SUITABLE FOR USE IN MAMMOGRAPHIC APPLICATIONS 审中-公开
标题翻译：适用于农业应用的辐射图像存储面板
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。

10. 发明授权

US07446323B2 Radiation image storage panel suitable for use in mammographic applications 有权
标题翻译：辐射图像存储面板适用于乳房X光照相应用
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。}

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式