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    • 15. 发明授权
    • Black and white photothermographic material and method for fabricating thereof
    • 黑白光热敏成像材料及其制造方法
    • US06472138B1
    • 2002-10-29
    • US09671242
    • 2000-09-28
    • Katsutoshi Yamane
    • Katsutoshi Yamane
    • G03C1498
    • G03C1/49845G03C1/49881
    • A black and white photothermographic material for laser exposure affording a large covering power and thus affording a high Dmax, and capable of suppressing desensitization in the course of the storage is provided. Such black and white photothermographic material contains on one side of a support a reducing agent for reducing silver ion, a binder, a non-photosensitive fatty acid silver salt and a photosensitive silver halide, wherein the photosensitive silver halide forms grains with an average grain size of 10 nm to 50 nm prepared independently from the non-photosensitive fatty acid silver salt; and wherein a compound expressed by the formula (1) below is further contained: [(Z)mL]nASM1  formula (1) [where, in the formula (1), Z represents —SO3M2, —COOR1, —OH or —NHR2; in which M2 being a hydrogen atom or an alkali metal atom, R1 being a hydrogen atom, an alkali metal atom or an alkyl group with having 1 to 6 carbon atoms, R2 being a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, —COR4, —COOR4 or —SO2R4, in which R4 being a hydrogen atom, an aliphatic group or an aromatic group; m is an integer not less than 1, and for the case of m≧2, the groups Z in a number of m may be same or different with each other; L represents a single bond or a linkage group; n is an integer not less than 1, and for the case of n≧2, the groups (Z)mL in a number of n may be same or different with each other; A is a heterocyclic group which may be substituted; and M1 is a hydrogen atom or an alkali metal atom.]
    • 提供了一种用于激光曝光的黑白光热敏成像材料,提供了大的覆盖功率,从而提供了高的Dmax,并且能够抑制存储过程中的脱敏。 这种黑白光热敏成像材料在载体的一面上含有用于还原银离子的还原剂,粘合剂,非感光性脂肪酸银盐和感光卤化银,其中感光卤化银形成具有平均晶粒尺寸的颗粒 10nm至50nm,独立于非感光性脂肪酸银盐制备; 并且其中由下式(1)表示的化合物进一步包含:[式中,在式(1)中,Z表示-SO 3 M 2,-COOR 1,-OH或-NHR 2; 其中M2为氢原子或碱金属原子,R1为氢原子,碱金属原子或具有1至6个碳原子的烷基,R2为氢原子,具有1至6个碳原子的烷基 ,-COR 4,-COOR 4或-SO 2 R 4,其中R 4为氢原子,脂族基团或芳族基团; m为不小于1的整数,m> = 2的情况下, m个数可以相同或不同; L表示单键或连接基; n表示1以上的整数,n> = 2的情况下,数(Z) 的n可以相同也可以不同; A是可以被取代的杂环基; 和M 1是氢原子或碱金属原子。]
    • 16. 发明授权
    • Radiation image forming system
    • 辐射成像系统
    • US06329662B1
    • 2001-12-11
    • US09188889
    • 1998-11-10
    • Katsutoshi YamaneToshiki FujiwaraRikio Inoue
    • Katsutoshi YamaneToshiki FujiwaraRikio Inoue
    • G21K400
    • G21K4/00C09K11/777G03C5/17G21K2004/06
    • A radiation image forming system utilizing a combination of a silver halide photographic material and radiographic intensifying screens is improved in its radiographic speed and sharpness of the resulting radiation image by employing a rare earth phosphor of the formula MwOwX:M′ (M is Y, La, Gd or Lu; X is a chalcogen atom or a halogen atom; M′ is a rare earth atom which activates M; and w is 2 when X is a chalcogen atom or w is 1 when X is a halogen atom), incorporating into the intensifying screen a fluorescent dye or pigment which absorbs a portion of luminescence emitted by the phosphor and then emits light in a visible region, and employing a photographic material showing a cross-over of 10% or less when it is exposed to radiation in combination with the intensifying screens.
    • 使用卤化银照相材料和射线照相增强屏的组合的放射线图像形成系统通过使用下式的MwOwX:M'(M是Y,La)的稀土荧光体,其放射线照相速度和所得到的辐射图像的清晰度得到改善 ,Gd或Lu; X是硫属原子或卤素原子; M'是激活M的稀土原子;当X是硫族原子时w是2,当X是卤素原子时,w是1) 所述增强屏幕是吸收由所述荧光体发射的发光的一部分然后在可见光区域发光的荧光染料或颜料,并且当组合暴露于辐射时使用显示为10%以下的交叉的照相材料 与强化屏幕。
    • 17. 发明授权
    • High-contrast silver halide photographic material and photographic image
forming system using the same
    • 高对比度卤化银照相材料和使用其的摄影图像形成系统
    • US5853945A
    • 1998-12-29
    • US867419
    • 1997-06-02
    • Katsutoshi YamaneNobuyuki Iwasaki
    • Katsutoshi YamaneNobuyuki Iwasaki
    • G03C1/29G03C1/46G03C5/16G21K4/00C09K11/84
    • G21K4/00G03C1/29G03C1/46G03C5/16G21K2004/06Y10S430/167
    • A silver halide photographic material for mammography comprising a support having on one side thereof at least two light-sensitive emulsion layers different in sensitivity, in which the uppermost emulsion layer is less sensitive than the lower emulsion layer, the total silver content of all light-sensitive emulsion layers is from 2.0 to 5.5 g/m.sup.2, and the silver halide light-sensitive material exhibits an average contrast of from 3.6 to 4.8 and a sensitivity of from 0.03 to 0.07 lux.sec. when developed as specified; and an X-ray photographic image forming system for mammography comprising (A) a single-sided silver halide light-sensitive material and (B) an X-ray intensifying screen having a layer substantially comprising a Gd.sub.2 O.sub.2 S:Tb fluorescence substance, in which the screen has an emission luminance of 150 to 250 and a contrast transfer function of from 0.40 to 1.00 at a spatial frequency of 5 line pairs/mm, the silver halide light-sensitive material has an average contrast of 3.6 to 4.8, and the X-ray photographic image forming system has a system sensitivity of 5.5 to 10 mR.
    • 一种用于乳房X线照相术的卤化银照相材料,包括一个支撑体,其一侧上具有不同灵敏度的至少两个感光乳剂层,其中最上层乳剂层比下乳剂层敏感性低, 敏感乳剂层为2.0〜5.5g / m 2,卤化银感光材料的平均对比度为3.6〜4.8,灵敏度为0.03〜0.07lux.sec。 按规定开发; 和用于乳房摄影的X射线摄影图像形成系统,包括(A)单面卤化银感光材料和(B)具有基本上包含Gd 2 O 2 S:Tb荧光物质的层的X射线增强屏,其中 屏幕的发光亮度为150〜250,对比度传递函数为0.40〜1.00,空间频率为5线对/ mm,卤化银感光材料的平均对比度为3.6〜4.8, ray摄影成像系统的系统灵敏度为5.5〜10mR。
    • 19. 发明授权
    • Radiation image detector
    • 辐射图像检测器
    • US07667179B2
    • 2010-02-23
    • US12147786
    • 2008-06-27
    • Masaharu OgawaKatsutoshi Yamane
    • Masaharu OgawaKatsutoshi Yamane
    • H01J40/14
    • H01L27/14667H01L27/1462H01L27/14676
    • A radiation image detector is provided. The radiation image detector is constituted by: a photoconductive layer that generates charges when electromagnetic waves are irradiated thereon; a common electrode to which a predetermined voltage is applied, provided on one side of the photoconductive layer; a plurality of divided electrodes that output signals corresponding to charges which are generated within the photoconductive layer, provided on the other side of the photoconductive layer; and protective layers that cover the edges of the divided electrodes, the edges being the side surfaces and portions of surfaces of the divided electrodes, which are continuous with the side surfaces, that face the photoconductive layer. The interfaces between the protective layers and the photoconductive layer are smooth surfaces across the entireties thereof.
    • 提供了一种放射线图像检测器。 放射线图像检测器由以下部分构成:当电磁波照射时产生电荷的光电导层; 设置在光电导层的一侧上的施加有预定电压的公共电极; 多个分割电极,其输出对应于在所述光电导层内产生的电荷的信号,所述电荷设置在所述光电导层的另一侧上; 以及覆盖分割电极的边缘的保护层,边缘是面对光电导层的分离电极的与侧面连续的侧表面和表面的部分。 保护层和光电导层之间的界面是整个光滑表面。
    • 20. 发明申请
    • RADIATION IMAGE DETECTOR
    • 辐射图像检测器
    • US20080203336A1
    • 2008-08-28
    • US12037237
    • 2008-02-26
    • Kaku IrisawaKatsutoshi Yamane
    • Kaku IrisawaKatsutoshi Yamane
    • G01N23/00
    • G01N23/04
    • A radiation image detector is constituted by: a first electrode layer, to which negative voltage is applied, and that transmits recording electromagnetic waves bearing radiation image information; a photoconductive layer that generates charges when irradiated by the recording electromagnetic waves transmitted through the first electrode layer; a second electrode layer provided at the side of the photoconductive layer opposite that of the first electrode layer, having a plurality of electrodes for detecting signals corresponding to the charges generated in the photoconductive layer; and an electron transport layer provided between the photoconductive layer and the second electrode layer so as to cover the entire surface of the second electrode layer, formed by an insulating material doped with electron transport molecules.
    • 放射线图像检测器由以下部分构成:施加有负电压的第一电极层,并且传送承载放射线图像信息的记录电磁波; 光电导层,其在被透过第一电极层的记录电磁波照射时产生电荷; 设置在光电导层的与第一电极层相反的一侧的第二电极层,具有用于检测对应于在光电导层中产生的电荷的信号的多个电极; 以及电子传输层,设置在光电导层和第二电极层之间,以覆盖由掺杂有电子传输分子的绝缘材料形成的第二电极层的整个表面。