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    • 2. 发明授权
    • Stimulable phosphor sheet and process for producing the same
    • 稳定的荧光体片及其制造方法
    • US06376844B1
    • 2002-04-23
    • US09525480
    • 2000-03-15
    • Seiji TasakiKatsuhiro Kohda
    • Seiji TasakiKatsuhiro Kohda
    • G21K400
    • G21K4/00G21K2004/06
    • A stimulable phosphor sheet for a radiation image recording and reproducing method comprising the steps of recording a radiation image as a latent image, irradiating the latent image with stimulating rays to release stimulated emission, and electrically processing the emission to reproduce the radiation image, is preferably composed of a stimulable phosphor-containing grid partition that contains a stimulable phosphor, a UV or visible light-emitting phosphor, or a reflective material and two-dimensionally divides the phosphor sheet on its plane to give plural small rectangular sections, and stimulable phosphor-incorporated areas which are rectangularly sectioned with the grid partition and which have a reflectance at the wavelength of the stimulating rays which differs from that of the grid partition.
    • 一种用于放射线图像记录和再现方法的可刺激的磷光体片,包括以下步骤:将放射线图像记录为潜像,用刺激光线照射潜像以释放受激发射,并且电处理发射以再现辐射图像。 由含有可刺激的荧光体,紫外或可见发光荧光体或反射材料的可刺激的含磷光体网格划分构成,并且在其平面上二维地划分荧光体片以产生多个小的矩形截面,以及可刺激的磷光体 - 并入区域,其与栅格隔板呈矩形截面并且在与栅格隔板不同的刺激光线的波长处具有反射率。
    • 3. 发明授权
    • Stimulable phosphor sheet
    • 可刺激的荧光粉片
    • US06359285B1
    • 2002-03-19
    • US09525481
    • 2000-03-15
    • Seiji TasakiKatsuhiro Kohda
    • Seiji TasakiKatsuhiro Kohda
    • H05B3300
    • G01T1/2012
    • A stimulable phosphor sheet for a radiation image recording and reproducing method comprising the steps of recording a radiation image as a latent image, irradiating the latent image with stimulating rays to release stimulated emission, and electrically processing the emission to reproduce the radiation image, has partitions that divide the phosphor sheet on its plane to give plural sections, and stimulable phosphor-incorporated areas in the sections, wherein the phosphor-incorporated areas have a light-scattering length of 20 to 100 &mgr;m and a light-absorption length of 1,000 &mgr;m or longer, while the partitions have a light-scattering length of 0.05 to 20 &mgr;m and a light-absorption length of 1,000 &mgr;m or longer, under the condition that a ratio of the light-scattering length of the phosphor-incorporated areas to that of the partitions is 3.0 or more.
    • 一种用于放射线图像记录和再现方法的可刺激的荧光粉片,包括以下步骤:将放射线图像记录为潜像,用刺激光线照射潜像以释放受激发射,并电处理发射以再现辐射图像,具有分区 其在其平面上划分荧光体片以产生多个部分,并且在这些部分中可刺激的掺入荧光体的区域,其中掺入荧光体的区域具有20至100μm的光散射长度和1,000μm的光吸收长度或 更长的时间,而分隔体的光散射长度为0.05〜20μm,光吸收长度为1000μm以上,在荧光体掺入区域的光散射长度与 分区是3.0以上。
    • 6. 发明授权
    • Biochemical analysis kit and method for exposing stimulable phosphor sheet
    • 生化分析试剂盒和曝光可激发荧光粉片的方法
    • US07189577B2
    • 2007-03-13
    • US10173790
    • 2002-06-19
    • Katsuhiro Kohda
    • Katsuhiro Kohda
    • G01N21/76
    • G01N21/76G01N21/6452
    • A biochemical analysis kit includes a biochemical analysis unit including a substrate capable of attenuating radiation energy and light energy and formed with a plurality of absorptive regions to be spaced apart from each other, and a stimulable phosphor sheet including a support formed with a plurality of stimulable phosphor layer regions in substantially the same pattern as that of the plurality of absorptive regions, the plurality of absorptive regions of the biochemical analysis unit and the plurality of stimulable phosphor layer regions of the stimulable phosphor sheet being formed so that an average area Sm of the plurality of absorptive regions of the biochemical analysis unit and an average area Sp of the plurality of stimulable phosphor layer regions of the stimulable phosphor sheet meet a requirement that Sp is equal to or larger than a quarter of Sm. According to the thus constituted biochemical analysis kit, it is possible to produce biochemical analysis data having excellent quantitative characteristics with high resolution by reading radiation data or chemiluminescence data transferred from the biochemical analysis unit to the stimulable phosphor sheet.
    • 生物化学分析试剂盒包括生化分析单元,其包括能够衰减辐射能量和光能并且形成有彼此间隔开的多个吸收区域的基板,以及可刺激的荧光体片,其包括形成有多个可刺激的 荧光体层区域与多个吸收区域基本上相同的图案,生物化学分析单元的多个吸收区域和可激发荧光体片材的多个可刺激荧光体层区域形成为使得可吸收荧光体片材的平均面积Sm 生化分析单元的多个吸收区域和可刺激荧光体片材的多个可刺激荧光体层区域的平均面积Sp满足Sp等于或大于Sm的四分之一的要求。 根据这样构成的生物化学分析试剂盒,通过将从生化分析单元传递的辐射数据或化学发光数据读取到可刺激的荧光体片材,可以生成具有高分辨率的优异定量特性的生化分析数据。
    • 7. 发明授权
    • Radiation image read-out method and apparatus
    • 辐射图像读出方法和装置
    • US06806486B2
    • 2004-10-19
    • US09885069
    • 2001-06-21
    • Yuji IsodaSumihiro NishihataSatoshi ArakawaKenji TakahashiIchirou MiyagawaKatsuhiro Kohda
    • Yuji IsodaSumihiro NishihataSatoshi ArakawaKenji TakahashiIchirou MiyagawaKatsuhiro Kohda
    • G03B4202
    • G01T1/2014
    • Stimulating rays produced by a line light source are linearly irradiated onto an area of a stimulable phosphor sheet, on which a radiation image has been stored, the stimulating rays causing the sheet to emit light in proportion to an amount of energy stored thereon during its exposure to radiation. Light emitted from the exposed linear area of the sheet is received with a line sensor comprising photoelectric conversion devices arrayed along each of a length direction of the linear area of the stimulable phosphor sheet and a direction normal to the length direction. The sheet is moved with respect to the line light source and the line sensor and in a direction different from the length direction of the linear area of the sheet. Operation processing is performed on outputs of the photoelectric conversion devices, which outputs have been obtained at respective positions of movement and correspond to an identical site on the sheet.
    • 由线光源产生的刺激光线被线性地照射到已经存储了放射线图像的可刺激的磷光体片的区域上,使得片材在其曝光期间与存储在其上的能量的量成比例地发光的刺激光线 到辐射。 从片材的曝光的线性区域发射的光被包含沿着可激发的荧光体片的线性区域的长度方向和垂直于长度方向的方向排列的光电转换装置的线传感器接收。 片材相对于线光源和线传感器在与片材的线性区域的长度方向不同的方向上移动。 在光电转换装置的输出上执行操作处理,该输出已经在移动的各个位置处获得并且对应于片材上的相同位置。
    • 8. 发明授权
    • Phosphor layer for radiation image conversion panel
    • 荧光层用于辐射图像转换面板
    • US06641858B1
    • 2003-11-04
    • US09588571
    • 2000-06-07
    • Hideki SuzukiKatsuhiro Kohda
    • Hideki SuzukiKatsuhiro Kohda
    • B05D506
    • G21K4/00C09K11/02C09K11/025C09K11/7733G21K2004/08
    • A method of preparing a phosphor layer coating solution of a radiation image conversion panel is provided, in which, at least a phosphor, a binder, a cross-linking agent which cross-links the binder by being heated, and a solvent are constituent components of the phosphor layer coating solution. The method includes a phosphor dispersing step in which the constituent components other than the cross-linking agent are mixed and stirred to disperse the phosphor such that a phosphor dispersion is prepared, a cooling step in which the phosphor dispersion prepared in the phosphor dispersing step is cooled, and a cross-linking agent adding step in which the cross-linking agent is added to the phosphor dispersion cooled in the cooling step and the dispersion is stirred such that the cross-linking agent is thoroughly mixed therewith.
    • 提供一种制备放射线图像转换面板的荧光体层涂布溶液的方法,其中至少含有荧光体,粘合剂,通过加热使粘合剂交联的交联剂,溶剂是构成成分 的荧光体层涂布溶液。 该方法包括荧光体分散步骤,其中将交联剂以外的组成成分混合并搅拌以分散荧光体,使得制备荧光体分散体;制备步骤,其中在荧光体分散步骤中制备的荧光体分散体为 将交联剂添加到在冷却工序中冷却的荧光体分散体中并进行搅拌,使交联剂充分混合的交联剂添加工序。
    • 10. 发明授权
    • Acoustooptic image formation
    • 声光图像形成
    • US4727420A
    • 1988-02-23
    • US787850
    • 1985-10-16
    • Katsuhiro KohdaJunji Miyahara
    • Katsuhiro KohdaJunji Miyahara
    • G01N21/17G01T1/29G03B42/06G03C5/16H04N5/32
    • G03C5/16G01N21/1702G01T1/2014G03B42/06
    • An acoustooptic image can be formed by using a plate-like image sensor capable of increasing its optical density upon exposure to a radiation. The image sensor is exposed to a radiation bearing image information to record the image information on the image sensor. Then, pulsed light is applied to the image sensor to enable the same to generate a pressure wave commensurate with the recorded image information. The pressure wave is detected in synchronism with the pulsed light and converted into an electric signal, from which an image signal is reproduced. The image signal may be displayed on a CRT, or recorded on a magnetic recording medium, or reproduced on a photographic material.
    • 可以通过使用能够在暴露于辐射时增加其光密度的板状图像传感器来形成声光图像。 图像传感器暴露于辐射轴承图像信息以将图像信息记录在图像传感器上。 然后,将脉冲光施加到图像传感器,以使其能够产生与所记录的图像信息相称的压力波。 与脉冲光同步地检测压力波,并将其转换为电信号,从该信号再现图像信号。 图像信号可以显示在CRT上,或者记录在磁记录介质上,或者在照相材料上再现。