Method for preparing a stimulable phosphor screen or panel.
    11.
    发明公开
    Method for preparing a stimulable phosphor screen or panel. 有权
    预处理辐射激发荧光体屏幕

    公开(公告)号:EP1443525A3

    公开(公告)日:2004-08-18

    申请号:EP03104831.7

    申请日:2003-12-19

    申请人: AGFA-GEVAERT

    IPC分类号: G21K4/00 C09K11/465

    CPC分类号: G21K4/00 C09K11/7733

    摘要: In a method for producing a binderless Eu-doped CsBr-type storage phosphor screen from a combination of phosphor precursors in order to prepare a CsBr:Eu storage phosphor by vacuum depositing said CsBr:Eu phosphor on a substrate, wherein during a vacuum depositing step said substrate is kept at a temperature T, such that 50 °C ≤ T ≤ 300 °C and wherein said vacuum deposition proceeds in an Ar-atmosphere with an Ar-pressure of at most 3 Pa; during or after at least one of the said steps a radiation exposure treatment is given with energy from radiation sources emitting short ultraviolet radiation in the range from 150 nm to 300 nm with an energy of at least 10 mJ/mm 2 .

    Shading correction in medical images
    12.
    发明公开
    Shading correction in medical images 审中-公开
    Schadierskorrektur在medizinischen Bildern

    公开(公告)号:EP1403818A1

    公开(公告)日:2004-03-31

    申请号:EP02102381.7

    申请日:2002-09-25

    申请人: AGFA-GEVAERT

    IPC分类号: G06T5/50

    摘要: A method and apparatus for correcting a signal representation of a radiation image of an object wherein correction by means of correction values is performed simultaneously with image read out.
    Said signal representation is for example read out from a photostimulable phosphor screen, whereby correction values are obtained by flat field exposure, and whereby the correction values can be used in a low-pass filtered and/or in an undersampled manner.

    摘要翻译: 该方法涉及产生对象的辐射图像的每个像素的像素值的信号表示。 该表示在生成表示之后立即应用于数字分频器(9)。 与从存储器(10)读取的像素相关的校正值被同时施加到分频器。 该表示由分频器中的校正值校正。 还包括用于产生对象的放射线图像的装置的独立权利要求。

    A phosphor panel with good humidity resistance
    13.
    发明公开
    A phosphor panel with good humidity resistance 审中-公开
    荧光板具有良好的耐湿性

    公开(公告)号:EP1286363A2

    公开(公告)日:2003-02-26

    申请号:EP02100297.7

    申请日:2002-03-26

    申请人: AGFA-GEVAERT N.V.

    IPC分类号: G21K4/00

    摘要: A phosphor panel with a protective coating divided in at least two layers: a layer A, being closest to said phosphor layer and a layer B farther away from said phosphor layer wherein the layer A has a lower water vapour permeability coefficient than the layer B, in that said layer A has a water vapour permeability coefficient, P, so that 0 ≤ P ≤ 1 x 10 -11 cm 3 (STP) .cm cm 2 .s.Pa .

    摘要翻译: 一种具有保护涂层的荧光面板,所述保护涂层被分成至少两层:最靠近所述荧光层的层A和更远离所述荧光层的层B,其中层A具有比层B更低的水蒸气渗透系数, 其中所述层A具有水蒸气渗透系数P,使得0≤P≤1×10-11cm3(STP).cmcm2 .s.Pa。

    A method for monitoring a dose of penetrating radiation absorbed by an object
    14.
    发明公开
    A method for monitoring a dose of penetrating radiation absorbed by an object 有权
    一种用于通过穿透爆破来监测吸收剂量中的对象的方法

    公开(公告)号:EP1001278A1

    公开(公告)日:2000-05-17

    申请号:EP99203350.6

    申请日:1999-10-11

    IPC分类号: G01T1/29

    CPC分类号: G01T1/2012 G01T1/02

    摘要: A method for monitoring a dose of penetrating radiation absorbed by an object, comprising the steps of

    providing the object with a device for absorbing penetrating radiation, including a storage phosphor for storing energy from the penetrating radiation,
    at predetermined intervals coupling the storage phosphor to a source of stimulation light, in such a way that the stimulation light impinges on the phosphor,
    activating the source of stimulation light so as to cause the storage phosphor to emit an amount of fluorescent light in proportion to an amount of stored energy,
    reading the amount of fluorescent light and converting it in an electric signal value,
    storing electric signal value(s) obtained at the predetermined intervals and processing them so as to evaluate a total amount of radiation absorbed by the object,
    comparing the total amount with a pre-defined threshold value for obtaining a difference value, and
    displaying the difference value on a decentralised display.

    Optical memory plate or panel
    17.
    发明公开
    Optical memory plate or panel 审中-公开
    Optische Speicherplatte - Speicherscheibe

    公开(公告)号:EP1544856A2

    公开(公告)日:2005-06-22

    申请号:EP03104827.5

    申请日:2003-12-19

    申请人: AGFA-GEVAERT

    摘要: An optical memory plate as a data storage optical medium, particularly suitable for identification purposes or protection against forgery and counterfeiting, by providing radiation inscription of data and read-out of thus stored inscription data, as well as a method of recording (with either X-rays or ultraviolet rays) and reading out said data has been disclosed, characterised in that said optical memory comprises a europium doped alkali metal halide storage phosphor layer, substantially free of alkaline earth metals.

    摘要翻译: 作为数据存储光学介质的光学存储器板,特别适用于识别目的或防伪和伪造的保护,通过提供数据的辐射刻录和读出这样存储的铭文数据,以及记录方法(用X 射线或紫外线)并读出所述数据,其特征在于所述光学存储器包括基本上不含碱土金属的掺杂铕的碱金属卤化物存储磷光体层。

    Radiation pretreated stimulable phosphor screen or panel.
    18.
    发明公开
    Radiation pretreated stimulable phosphor screen or panel. 审中-公开
    Strahlenvorbehandelter stimulierbarer Leuchtstoffschirm

    公开(公告)号:EP1453064A1

    公开(公告)日:2004-09-01

    申请号:EP03104825.9

    申请日:2003-12-19

    申请人: AGFA-GEVAERT

    IPC分类号: G21K4/00

    CPC分类号: G21K4/00 C09K11/7733

    摘要: A Eu-doped CsBr-type storage phosphor screen or panel has been disclosed, providing ratios of ultraviolet luminescence intensities of at least 10/9 after having been exposed to radiation having a wavelength in the range from 150 to 400 nm , measured at same sites without and with pretreatment exposure of said storage phosphor screen or panel with short ultraviolet radiation in the range from 150 to 300 nm and having an energy of 10 mJ/mm 2 , as well as a method of producing a stimulable phosphor screen or panel, characterised in that during or after at least one of the manufacturing steps a radiation exposure treatment is given with radiation sources emitting short ultraviolet radiation in the range from 150 to 300 nm with an energy of at least 10 mJ/mm 2 .

    摘要翻译: 已经公开了Eu掺杂的CsBr型存储荧光屏或面板,其在暴露于波长在150至400nm的辐射之后提供至少10/9的紫外发光强度的比率,在相同位置 所述存储荧光屏或具有150nm至300nm的短紫外辐射和具有10mJ / mm 2的能量的面板的预处理曝光以及产生可刺激荧光屏或面板的方法 其特征在于,在所述制造步骤中的至少一个之后或之后,以150至300nm的范围内发射短紫外辐射的辐射源以至少10mJ / mm 2的能量给予辐射曝光处理。

    Storage phosphor screen and preparation method
    19.
    发明公开
    Storage phosphor screen and preparation method 审中-公开
    Speicherleuchtschirm和dessen Herstellungsverfahren

    公开(公告)号:EP1426977A1

    公开(公告)日:2004-06-09

    申请号:EP02102491.4

    申请日:2002-10-25

    申请人: AGFA-GEVAERT

    IPC分类号: G21K4/00

    摘要: A method of preparing a phosphor screen having at least a substrate and a phosphor layer comprising a CsX:Eu 2+ phosphor wherein X represents a halide selected from a group consisting of Br and Cl and wherein the phosphor is deposited by physical vapour deposition on the substrate. During deposition the substrate is at a temperature in the range of 135°C to 235°C and variation of the temperature of the substrate occurring during the deposition process is not more than 50°C.

    摘要翻译: 一种制备荧光屏的方法,所述荧光屏至少具有基底和包含CsX:Eu 2+荧光体的荧光体层,其中X表示选自Br和Cl的卤化物,并且其中所述荧光体通过物理气相沉积 在基板上。 在沉积过程中,衬底处于135℃至235℃的温度范围内,沉积过程中发生的衬底温度变化不超过50℃。

    A binderless phosphor screen on a support coloured with a pigment mixture
    20.
    发明公开
    A binderless phosphor screen on a support coloured with a pigment mixture 审中-公开
    Binderfreier Leuchtstoffschirm auf einem mit einer PigmentmischunggefärbtenTräger

    公开(公告)号:EP1316971A2

    公开(公告)日:2003-06-04

    申请号:EP02102524.2

    申请日:2002-11-04

    申请人: AGFA-GEVAERT

    IPC分类号: G21K4/00

    摘要: A binderless stimulable phosphor screen comprising a phosphor layer with needle-shaped phosphor crystals on a support absorbing at least 30 % of the stimulating light and reflecting at least 60 % of the stimulated light. The support can be a PET support including a mixture of blue and white pigments.

    摘要翻译: 一种无粘合剂刺激性荧光屏,其包含在吸收至少30%的刺激光并反射至少60%的受激光的支持体上的具有针状荧光体晶体的荧光体层。 载体可以是包含蓝色和白色颜料混合物的PET载体。