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    • 2. 发明申请
    • Black and white photothermographic material and image forming method
    • 黑白光热成像材料及成像方法
    • US20050244763A1
    • 2005-11-03
    • US11113242
    • 2005-04-25
    • Kazutaka TakahashiTakeshi Funakubo
    • Kazutaka TakahashiTakeshi Funakubo
    • G03C1/498G03C1/00G03C1/047G03C1/46G03C5/17
    • G03C1/49818G03C1/047G03C1/46G03C1/49809G03C5/17G03C2001/0055G03C2001/0056G03C2001/0058G03C2001/03511G03C2001/0357G03C2001/7425G03C2200/03
    • The present invention provides a black and white photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, as well as an image forming method. The black and white photothermographic material is characterized in that 50% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having a (111) face as a major face; the tabular grains have at least 2 parallel twin crystal planes in a grain; and a variation coefficient of a distribution of distances between closest twin crystal planes is 20% or less. Also provided is an image forming method that includes image exposure using fluorescent intensifying screens and thermal development. According to the invention, a black and white photothermographic material and image forming method realizing high image quality with favorable color tone of developed silver images are provided.
    • 本发明提供了一种黑色和白色光热敏成像材料,其在载体的至少一侧具有至少含有感光卤化银,非感光性有机银盐,银离子还原剂和 粘合剂,以及成像方法。 黑色和白色光热敏成像材料的特征在于,感光卤化银的总投影面积的50%或更多被具有(111)面作为主面的片状颗粒占据; 片状颗粒在颗粒中具有至少2个平行的双晶面; 并且最近的双晶面之间的距离分布的变化系数为20%以下。 还提供了一种图像形成方法,其包括使用荧光增强屏幕的图像曝光和热显影。 根据本发明,提供了一种黑白色光热成像材料和图像形成方法,其实现了高度图像质量,并且显影银色图像具有良好的色调。
    • 4. 发明授权
    • Photothermographic material
    • 光热成像材料
    • US07144692B2
    • 2006-12-05
    • US11150429
    • 2005-06-13
    • Takeshi Funakubo
    • Takeshi Funakubo
    • G03C1/00G03C5/16
    • G03C1/498G03C5/17Y10S430/167
    • The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    • 本发明提供了一种光热敏成像材料,其在载体的两侧上具有至少包含感光卤化银,非光敏有机银盐,还原剂和粘合剂的图像形成层,其将被暴露于X - 使用荧光增强屏幕的方法,其中(1)每一侧的感光卤化银的涂布量为0.01g / m 2至0.45g / m 2 以银量计; 和(2)交叉(%)为30%以上,或者当与荧光增强屏的主发光峰值波长具有相同波长的平行光垂直于光热敏成像材料的表面入射时,平行光成分 透射光包含5%以上的入射光。 提供了具有高灵敏度和高图像质量的用于医疗用途的光热敏成像材料。
    • 5. 发明申请
    • Photothermographic material
    • 光热成像材料
    • US20050277073A1
    • 2005-12-15
    • US11150429
    • 2005-06-13
    • Takeshi Funakubo
    • Takeshi Funakubo
    • G03C1/74G03C1/00G03C1/498G03C5/08G03C5/17
    • G03C1/498G03C5/17Y10S430/167
    • The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    • 本发明提供了一种光热敏成像材料,其在载体的两侧上具有至少包含感光卤化银,非光敏有机银盐,还原剂和粘合剂的图像形成层,其将被暴露于X - 使用荧光增强屏幕的方法,其中(1)每一侧的感光卤化银的涂布量为0.01g / m 2至0.45g / m 2 以银量计; 和(2)交叉(%)为30%以上,或者当与荧光增强屏的主发光峰值波长具有相同波长的平行光垂直于光热敏成像材料的表面入射时,平行光成分 透射光包含5%以上的入射光。 提供了具有高灵敏度和高图像质量的用于医疗用途的光热敏成像材料。