METHOD OF FORMING A PHOSPHOR OR SCINTILLATOR MATERIAL AND VAPOR DEPOSITION APPARATUS USED THEREFOR
    21.
    发明申请
    METHOD OF FORMING A PHOSPHOR OR SCINTILLATOR MATERIAL AND VAPOR DEPOSITION APPARATUS USED THEREFOR 审中-公开
    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

    IPC分类号: B05D5/06 C23C16/00

    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。

    RADIATION IMAGE STORAGE PANEL SUITABLE FOR USE IN MAMMOGRAPHIC APPLICATIONS
    22.
    发明申请
    RADIATION IMAGE STORAGE PANEL SUITABLE FOR USE IN MAMMOGRAPHIC APPLICATIONS 审中-公开
    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

    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。

    Radiation image storage panel suitable for use in mammographic applications
    23.
    发明授权
    Radiation image storage panel suitable for use in mammographic applications 有权
    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

    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。

    Method of manufacturing a radiation image storage panel
    25.
    发明申请
    Method of manufacturing a radiation image storage panel 审中-公开
    辐射图像存储面板的制造方法

    公开(公告)号:US20080044560A1

    公开(公告)日:2008-02-21

    申请号:US11825189

    申请日:2007-07-05

    IPC分类号: C23C16/08

    CPC分类号: G21K4/00 C09K11/7733

    摘要: In a method of manufacturing a radiation image storage phosphor layer on a support layer, wherein said method comprises a vapor depositing step of raw materials of an alkali metal halide salt and a lanthanide dopant salt or a combination thereof in order to ensure vapor deposition of a binderless storage phosphor layer from one or more resistance-heated crucible(s) in a vapor deposition apparatus, wherein one or more shutter(s) are positioned between said crucible(s) and said support, at the time said vapor depositing step starts while opening said shutter(s), a start temperature is measured on and registered by means of a thermocouple, positioned close to the support at the side of said support where vapor becomes deposited in order to form said binderless storage phosphor layer, of less than 300° C., but not less than 100° C., and wherein at the time said vapor depositing step ends by closing a shutter, an end temperature as measured on and registered by means of a thermocouple, positioned close to the side of said support where vapor becomes deposited, is increasing not more than 90° C. between starting and ending said vapor depositing step.

    摘要翻译: 在支撑层上制造放射图像存储磷光体层的方法中,其中所述方法包括一种由碱金属卤化物盐和镧系元素掺杂盐或其组合构成的原料的气相沉积步骤,以确保气相沉积 在气相沉积设备中的一个或多个电阻加热坩埚中的无粘合剂存储磷光体层,其中一个或多个快门位于所述坩埚和所述载体之间,所述蒸汽沉积步骤开始时, 打开所述快门,通过热电偶测量开始温度,并通过热电偶进行记录,所述热电偶位于靠近所述支撑体侧面的支撑体处,其中蒸气沉积以形成所述无粘合剂存储荧光体层,小于300 ℃,但不低于100℃,并且其中在所述气相沉积步骤通过闭合活门终止时,通过热电偶测量并记录的结束温度,po 在蒸气沉积的所述支撑体的侧面附近被选择,在开始和结束所述气相沉积步骤之间增加不超过90℃。

    Method of manufacturing a radiation image storage panel
    26.
    发明申请
    Method of manufacturing a radiation image storage panel 审中-公开
    辐射图像存储面板的制造方法

    公开(公告)号:US20080044555A1

    公开(公告)日:2008-02-21

    申请号:US11825224

    申请日:2007-07-05

    IPC分类号: B05D5/06

    CPC分类号: G21K4/00 C09K11/7733

    摘要: In a method of manufacturing a radiation image storage phosphor layer on a support layer, wherein said method comprises a vapor depositing step of raw materials of an alkali metal halide salt and a lanthanide dopant salt or a combination thereof in order to ensure vapor deposition of a binderless storage phosphor layer from one or more resistance-heated crucible(s) in a vapor deposition apparatus, wherein one or more shutters are positioned between said crucible(s) and said support, at the time said vapor depositing step starts while opening said shutter(s), a start temperature is measured on and registered by means of a thermocouple positioned close to the support at the back side of the support, opposite to the side of the support where vapor becomes deposited in order to form said binderless storage phosphor layer, of less than 250° C., but not less than 100° C., when an additional heating is applied.

    摘要翻译: 在支撑层上制造放射图像存储磷光体层的方法中,其中所述方法包括一种由碱金属卤化物盐和镧系元素掺杂盐或其组合构成的原料的气相沉积步骤,以确保气相沉积 在气相沉积设备中来自一个或多个电阻加热坩埚的无粘合剂存储荧光体层,其中一个或多个快门位于所述坩埚和所述载体之间,在所述蒸气沉积步骤开始时开启所述快门 通过位于靠近载体背面的支撑件的热电偶测量开始温度并与其相反,该热电偶与蒸气沉积的支撑体的侧面相反,以形成无粘合剂的存储磷光体层 ,小于250℃,但不低于100℃,当施加附加加热时。

    Radiation image phosphor or scintillator panel
    27.
    发明申请
    Radiation image phosphor or scintillator panel 审中-公开
    辐射图像荧光体或闪烁体面板

    公开(公告)号:US20070272867A1

    公开(公告)日:2007-11-29

    申请号:US11801369

    申请日:2007-05-09

    IPC分类号: G01T1/20

    摘要: In a radiation image phosphor or scintillator panel having as a layer arrangement of consecutive layers upon a support layer or a support, a phosphor or scintillator layer comprising needle-shaped phosphor or scintillator crystals, and a protective layer, the said support layer is a polished pure titanium sheet or titanium alloy sheet, or the said support comprises a polished pure titanium layer or titanium alloy layer.

    摘要翻译: 在作为在支撑层或支撑体上具有连续层的层布置的放射线图像荧光体或闪烁体面板中,包含针状荧光体或闪烁体晶体的荧光体或闪烁体层以及保护层,所述支撑层是抛光的 纯钛片或钛合金片,或者所述载体包括抛光的纯钛层或钛合金层。

    Method of preparing stabilized storage phosphor panels
    28.
    发明申请
    Method of preparing stabilized storage phosphor panels 审中-公开
    制备稳定存储荧光粉面板的方法

    公开(公告)号:US20070098881A1

    公开(公告)日:2007-05-03

    申请号:US11583644

    申请日:2006-10-18

    IPC分类号: B05D5/06

    摘要: In a method of preparing a storage phosphor panel having a phosphor layer coated onto a dedicate substrate by vapor depositing raw phosphor precursor materials comprising a matrix component,an activator component and/or a combination thereof from one or more crucible unit(s) in a vapor deposition apparatus, wherein said crucible unit comprises a crucible container and a vaporization chimney; said method comprises the steps of (1) adding said raw phosphor precursor materials to said crucible unit, and (2) vapor depositing a phosphor layer from said raw phosphor precursor materials, wherein vapor depositing proceeds at an increased temperature in the crucible unit, said temperature exceeding the melting temperature of said matrix raw material with more than 70° C.; wherein an “activator coating weight number” for said phosphor layer reaches a value of at least 7,000; said “activator coating weight number” being defined herein.

    摘要翻译: 在通过气相沉积原料荧光体前体材料制备具有荧光体层的存储荧光体层的方法中,所述荧光体原料包含基体组分,活化剂组分和/或其组合,其中一个或多个坩埚单元 蒸镀装置,其中所述坩埚单元包括坩埚容器和蒸发烟囱; 所述方法包括以下步骤:(1)将所述原料荧光体前体材料加入到所述坩埚单元中,和(2)从所述原料荧光体前体材料中气相沉积磷光体层,其中在所述坩埚单元中气相沉积在升高的温度下进行,所述 温度超过70℃以上的所述基体原料的熔​​融温度。 其中所述荧光体层的“活化剂涂层重量数”达到至少7,000的值; 所述“活化剂涂层重量数”在本文中定义。

    Method for reproducible manufacturing of storage phosphor plates
    30.
    发明申请
    Method for reproducible manufacturing of storage phosphor plates 审中-公开
    存储磷光体板的可重复制造方法

    公开(公告)号:US20070036893A1

    公开(公告)日:2007-02-15

    申请号:US11492231

    申请日:2006-07-25

    IPC分类号: C23C16/00 B05D3/00

    CPC分类号: C23C14/243 C23C14/0694

    摘要: In a method of consecutively manufacturing a set of at least 5 storage phosphor plates by a vapor deposition process in one and the same vapor deposition apparatus, in said apparatus, before starting each vaporization, refractory material surfaces are brought into contact, in a crucible unit thereof, with liquefied raw materials of a matrix component and an activator component, a phosphor precursor component or a combination thereof, wherein deviations in speed from one plate to another within said set of storage phosphor plates are less than 15%, said deviations being expressed as a variation coefficient defined by following formula (SAL % dev/SAL % av)×100, provided that SAL % av stands for an averaged speed within average speeds over each of said storage phosphor plate surfaces within said set and that SAL % dev stands for a standard deviation of averaged speeds obtained from each phosphor plate within said set, wherein a step of increasing said refractory material surfaces is included by adding to said crucible unit, before starting vaporization in the manufacturing of each of said plates in said set, refractory particles selected from the group consisting of a powder, crystalline particles, amorphous particles, spheres, bars, sticks, ingots and curls or a combination thereof.

    摘要翻译: 在一种相同的气相沉积设备中通过气相沉积工艺连续地制造一组至少5个储存磷光体板的方法中,在所述装置中,在开始每次蒸发之前,耐火材料表面在坩埚单元中接触 其中具有基质成分和活化剂成分的液化原料,荧光体前体成分或其组合,其中在所述一组存储磷光体板内从一个板到另一个板的速度偏差小于15%,所述偏差表示为 作为由以下公式(SAL%dev / SAL%av)×100定义的变化系数,只要SAL%av表示在所述组内的每个所述存储磷光体板表面上的平均速度内的平均速度,并且SAL%dev代表 从所述组中的每个荧光板获得的平均速度的标准偏差,其中增加所述耐火材料表面的步骤是包括的 通过在所述组中的每个所述板的制造中开始蒸发之前,通过添加到所述坩埚单元,从由粉末,结晶颗粒,无定形颗粒,球体,棒,棒,锭和卷曲组成的组中选择的耐火材料颗粒,或 其组合。