Radiation image storage panel suitable for use in mammographic applications
    1.
    发明申请
    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:US20070075270A1

    公开(公告)日:2007-04-05

    申请号:US11511923

    申请日:2006-08-29

    IPC分类号: G03B42/08

    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 ,其中,在所述荧光粉中存在不超过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DQE2 超过0.70的值, d 99%(以mum表示)和DQE2 的比率不大于25:1,其中DQE2 是 DQE2以22mR的剂量获得,以3mR的剂量获得,如式(I)所示。<?in-line-formula description =“In-line Formulas”end =“lead”?> DQE 2 rel = DQE 2(22 mR))/ DQE 2(3 mR)(I)<?in-line-formula description =“In-line Formulas”end =“tail”?> 整个屏幕或面板产生的结构噪声 空间频率范围。

    RADIATION IMAGE STORAGE PANEL SUITABLE FOR USE IN MAMMOGRAPHIC APPLICATIONS
    2.
    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
    3.
    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。

    Radiographic film material and intensifying screen-film combination

    公开(公告)号:US06607876B2

    公开(公告)日:2003-08-19

    申请号:US09995918

    申请日:2001-11-28

    IPC分类号: G03C1005

    摘要: A radiographic silver halide film material and a radiographic screen/film combination has been disclosed, said material having in at least one light-sensitive layer thereof an emulsion comprising {111} tabular silver halide grains rich in silver bromide, spectrally sensitive to irradiation in the wavelength range between 540 and 555 nm by the presence of a combination of at least one J-aggregating spectrally sensitizing cyanine dye according to the formula (I) and of at least one additional cyanine dye providing a shift of maximum absorption wavelength of said combination of less than 10 nm versus in the absence thereof, wherein said additional cyanine dye is at least one monomethine cyanine dye according to the formula (II), essentially having a solubilizing group or a latent solubilizing group, said dyes having been given in the description and in the claims of the present invention.

    Method of preparing ultrathin light-sensitive tabular grain emulsions rich in silver bromide
    6.
    发明授权
    Method of preparing ultrathin light-sensitive tabular grain emulsions rich in silver bromide 失效
    制备富含溴化银的超薄感光片状颗粒乳液的方法

    公开(公告)号:US06558892B2

    公开(公告)日:2003-05-06

    申请号:US09902950

    申请日:2001-07-11

    申请人: Kathy Elst Ilse Mans

    发明人: Kathy Elst Ilse Mans

    IPC分类号: G03C1005

    摘要: A method has been described for preparing an ultrathin tabular grain emulsion rich in silver bromide, having {111} major faces, wherein tabular grains having a thickness of less than 0.08 &mgr;m exhibit an average aspect ratio of more than 5:1 and account for at least 75% by number of hexagonal grains and a coefficient of variation on average equivalent surface area of less than 0.50. The process is characterized in that during formation, (a) pH is maintained from 0.8 to 10; (b) a gelatino-peptizer is present in a concentration of 0 to 50 g per liter of dispersing medium, and (c) pBr having a value of at least 1.8 is maintained during grain nucleation and pBr is maintained at less than 2.4 during growth provided that a gelatin peptizer which is free from calcium ions and has a methionine content of less than 30 micromoles per gram of gelatino-peptizer is present.

    摘要翻译: 已经描述了一种制备富含溴化银的超薄片状颗粒乳液的方法,其具有{111}主面,其中厚度小于0.08μm的片状颗粒具有大于5:1的平均纵横比,并且占 至少75%的六角形晶粒和平均等效表面积的变异系数小于0.50。 该方法的特征在于,在形成期间,(a)pH值保持在0.8至10; (b)明胶胶溶剂以每升分散介质0至50克的浓度存在,并且(c)在晶粒成核期间保持值至少为1.8的pBr,并且生长期间pBr保持在小于2.4 条件是存在明胶胶溶剂,其不含钙离子并且具有小于30微摩尔/克明胶胶溶剂的甲硫氨酸含量。