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    • 1. 发明授权
    • Method for the production of a radiographic screen
    • 用于生产放射线照相屏幕的方法
    • US5589048A
    • 1996-12-31
    • US197825
    • 1994-02-17
    • Nikolaas De JaegerGuy DamenGerhard WinterJan Van Havenbergh
    • Nikolaas De JaegerGuy DamenGerhard WinterJan Van Havenbergh
    • C09K11/02C25D13/00G21K4/00H01J9/22C25D13/02C25D13/10
    • G21K4/00C09K11/025C25D13/00H01J9/225G21K2004/06
    • A method for the production of a radiographic screen comprising the following steps:1) dispersing phosphor particles in an organic liquid in the presence of a charge controlling agent that charges said phosphor particles with a positive or negative net charge,2) arranging said dispersion between a pair of electrodes, wherein one of said electrodes is or carries a conductive support of said radiographic screen,3) applying and maintaining between said electrodes a sufficiently high direct current voltage to deposit charged phosphor particles onto said conductive support, and4) separating said support carrying electrophoretically deposited phosphor particles from said organic liquid,wherein the dispersing of said phosphor particles proceeds by means of an organic surface active compound acting as dispersing agent for said phosphor particles, and said phosphor particles are electrostatically charged through adsorption thereon of ionic components of said organic surface active compound and/or through adsorption of cations or anions stemming from an ionic inorganic compound incorporated in said liquid.
    • 一种用于生产射线照相屏幕的方法,包括以下步骤:1)在电荷控制剂的存在下,将荧光体颗粒分散在有机液体中,所述电荷控制剂用正或负净电荷对所述荧光体颗粒进行充电,2)将所述分散体布置在 一对电极,其中所述电极之一是或承载所述放射线照相屏幕的导电支撑件,3)在所述电极之间施加和保持足够高的直流电压以将带电荧光粉颗粒沉积到所述导电支撑件上,以及4)将所述 从所述有机液体中携带电泳沉积的荧光体颗粒的载体,其中所述荧光体颗粒的分散通过作为所述荧光体颗粒的分散剂的有机表面活性化合物进行,并且所述荧光体颗粒通过其上的离子组分吸附而静电 所述有机表面活性化合物 和/或通过吸附由所述液体中引入的离子型无机化合物产生的阳离子或阴离子。
    • 2. 发明授权
    • Method for the production of a radiographic screen
    • 用于生产放射线照相屏幕的方法
    • US5296117A
    • 1994-03-22
    • US983708
    • 1992-12-01
    • Nikolaas De JaegerGuy DamenGerhard WinterJan Van Havenbergh
    • Nikolaas De JaegerGuy DamenGerhard WinterJan Van Havenbergh
    • C09K11/02C25D13/00G21K4/00H01J9/22C25D13/02
    • G21K4/00C09K11/025C25D13/00H01J9/225G21K2004/06
    • A method for the production of a radiographic screen comprising the following steps:1) dispersing phosphor particles in an organic liquid in the presence of a charge controlling agent that charges said phosphor particles with a positive or negative net charge,2) arranging said dispersion between a pair of electrodes, wherein one of said electrodes is or carries a conductive support of said radiographic screen,3) applying and maintaining between said electrodes a sufficiently high direct current voltage to deposit charged phosphor particles onto said conductive support, and4) separating said support carrying electrophoretically deposited phosphor particles from said organic liquid,wherein the dispersing of said phosphor particles proceeds by means of an organic surface active compound acting as dispersing agent for said phosphor particles, and said phosphor particles are electrostatically charged through adsorption thereon of ionic components of said organic surface active compound and/or through adsorption of cations or anions stemming from an ionic inorganic compound incorporated in said liquid.
    • 一种用于生产射线照相屏幕的方法,包括以下步骤:1)在电荷控制剂的存在下,将荧光体颗粒分散在有机液体中,所述电荷控制剂用正或负净电荷对所述荧光体颗粒进行充电,2)将所述分散体布置在 一对电极,其中所述电极之一是或承载所述放射线照相屏幕的导电支撑件,3)在所述电极之间施加和保持足够高的直流电压以将带电荧光粉颗粒沉积到所述导电支撑件上,以及4)将所述 从所述有机液体中携带电泳沉积的荧光体颗粒的载体,其中所述荧光体颗粒的分散通过作为所述荧光体颗粒的分散剂的有机表面活性化合物进行,并且所述荧光体颗粒通过其上的离子组分的吸附静电 所述有机表面活性化合物 和/或通过吸附由所述液体中引入的离子型无机化合物产生的阳离子或阴离子。