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    • 1. 发明授权
    • Method for preparing radiation image storage panel
    • 辐射图像存储面板的制备方法
    • US07439523B2
    • 2008-10-21
    • US11514080
    • 2006-09-01
    • Yuichi HosoiSatoshi Arakawa
    • Yuichi HosoiSatoshi Arakawa
    • H05B33/10
    • C23C14/564C09K11/7733C23C14/06C23C14/0694G21K4/00
    • A radiation image storage panel composed of a substrate and a layer of stimulable phosphor is prepared in an evaporation chamber kept at a pressure of 0.1 to 10 Pa by the steps of heating a source of the stimulable phosphor in the chamber so that the source is evaporated to give a gaseous product and depositing the gaseous product on the substrate which is arranged above the source to form the layer of stimulable phosphor on the substrate, in which the evaporation chamber has a diffusion preventing wall member surrounding a space between the source and the substrate, a top of which is positioned in the vicinity of a periphery of the substrate and a bottom of which is positioned in the vicinity of the source; and the diffusion preventing wall member is maintained at a temperature lower than a temperature of the source and higher than a temperature of the substrate.
    • 在保持在0.1〜10Pa的压力下的蒸发室中制备由基材和可刺激的荧光体层组成的放射线图像存储面板,通过加热室内的可刺激的荧光体的源使得源蒸发 以产生气态产物并将气态产物沉积在衬底上,该衬底布置在源的上方以在衬底上形成可激发的磷光体层,其中蒸发室具有围绕源极和衬底之间的空间的扩散防止壁构件 其顶部位于基板的周围附近,并且其底部位于源的附近; 并且防扩散壁构件保持在低于源的温度的温度并且高于衬底的温度。
    • 9. 发明授权
    • Method for detecting light emitted by two surfaces of a stimulable
phosphor sheet
    • 用于检测可刺激的磷光体片的两个表面发射的光的方法
    • US5483081A
    • 1996-01-09
    • US137759
    • 1993-10-19
    • Yuichi Hosoi
    • Yuichi Hosoi
    • G01N23/04G01T1/29G21K4/00
    • G01T1/2014G01N23/04G01T1/2012G21K4/00G21K2004/04
    • A stimulable phosphor sheet comprises a stimulable phosphor layer, and a colored layer, which is located on one side of the stimulable phosphor layer and contains a coloring agent. The coloring agent is capable of selectively absorbing stimulating rays, The stimulable phosphor sheet is scanned with the stimulating rays from the side opposite to the colored layer. The light, which is emitted by the two surfaces of the stimulable phosphor sheet during its scanning with the stimulating rays, is photoelectrically detected from the two surfaces of the stimulable phosphor sheet, and an image signal representing the radiation image is thereby obtained. The sharpness of an image reproduced from the image signal is thereby efficiently kept high. A second embodiment provides an optical layer on a stimulable phosphor sheet, wherein the optical layer transmits only light which is incident from a direction substantially normal to the surface of the stimulable phosphor sheet. The optical layer prevents the rays which are irradiated from a side of the phosphor sheet having the optical layer from being reabsorbed by the phosphor sheet after reflecting from a photodetector which is located on the same side of the phosphor sheet as the optical layer and which detects light emitted from the phosphor sheet in response to stimulating rays.
    • 可刺激的荧光体片材包括可刺激的荧光体层和着色层,其位于可刺激的磷光体层的一侧并且包含着色剂。 着色剂能够选择性地吸收刺激的光线。可刺激的荧光体片材是用与彩色层相反一侧的刺激光线扫描的。 在可刺激的荧光体片的扫描期间,由可刺激的荧光体片的两个表面发射的光被从可刺激的荧光粉片的两个表面光电检测,从而获得表示辐射图像的图像信号。 因此,从图像信号再现的图像的清晰度被有效地保持为高。 第二实施例在可刺激的荧光体片上提供光学层,其中光学层仅透射从基本上垂直于可刺激的荧光体片的表面的方向入射的光。 光学层防止从具有光学层的荧光体片的一侧照射的光线被从与光学层位于荧光体片的同一侧的光电检测器反射之后被荧光体片重新吸收,并且检测 响应于刺激光线从荧光体片发射的光。