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    • 3. 发明授权
    • Silver halide emulsion, method of preparing the same and silver halide photosensitive material using the same
    • 卤化银乳剂,其制备方法和使用其的卤化银感光材料
    • US07238467B2
    • 2007-07-03
    • US10893885
    • 2004-07-20
    • Tadashi IkedaYasushi TanabeHiroshi KawakamiTakeshi Suzumoto
    • Tadashi IkedaYasushi TanabeHiroshi KawakamiTakeshi Suzumoto
    • G03C1/005G03C1/494
    • G03C1/29G03C1/005
    • A silver halide emulsion comprising silver halide grains covered with two dye layers in combination. The two dye layers comprises an inner dye layer adjoining to the silver halide grain, and containing at least one sensitizing dye capable of spectrally sensitizing silver halide, and an outer dye layer adjoining to the inner dye layer, and containing at least two dyes. The light absorption energy of the outer dye layer is equal to or higher than that of the inner dye layer, an energy-releasing wavelength of the outer dye layer overlaps with an energy-absorbing wavelength of the inner dye layer, the sensitizing dyes constituting the inner dye layer include an anion and/or betaine dyes, the dyes constituting the outer dye layer include an anion and cation dyes, and the anion dye is more than the cation dye in terms of an addition amount and/or an adsorption amount.
    • 包含卤化银颗粒的卤化银乳剂,其组合覆盖有两个染料层。 两个染料层包括与卤化银颗粒相邻的内部染料层,并且含有至少一种能够使卤化银光谱增感的敏化染料和与内部染料层相邻的外部染料层,并含有至少两种染料。 外染料层的光吸收能量等于或高于内染料层的光吸收能量,外染料层的能量释放波长与内染料层的能量吸收波长重叠,感光染料构成 内染料层包括阴离子和/或甜菜碱染料,构成外部染料层的染料包括阴离子和阳离子染料,阴离子染料的添加量和/或吸附量大于阳离子染料。
    • 6. 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
    • US20050266361A1
    • 2005-12-01
    • US11133299
    • 2005-05-20
    • Takeshi FunakuboTakeshi Suzumoto
    • Takeshi FunakuboTakeshi Suzumoto
    • G03C1/00G03C1/498G03C1/76G03C5/17
    • G03C1/49809G03C1/49854G03C5/17
    • 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 1) the non-photosensitive organic silver salt includes at least one compound selected from the group consisting of a silver salt of an azole compound and a silver salt of a mercapto compound, and 2) the photosensitive silver halide has a spectral sensitizing dye in the form of a multilayer adsorbed on its surface. According to the invention, an improved black and white photothermographic material and image forming method realizing high sensitivity, favorable gradation, and less dependence on developing process conditions are provided.
    • 本发明提供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:1)非感光性有机银盐包括至少一种选自唑类化合物的银盐和巯基化合物的银盐的化合物,和2) 感光卤化银具有吸附在其表面上的多层形式的光谱增感染料。 根据本发明,提供了一种改进的黑白光热敏成像材料和图像形成方法,其实现了高灵敏度,有利的分级,并且对开发工艺条件的依赖性较小。
    • 7. 发明授权
    • Production process of silver halide photographic emulsion and silver halide photographic light-sensitive material
    • 卤化银照相乳剂和卤化银照相感光材料的制备工艺
    • US06838231B2
    • 2005-01-04
    • US10270296
    • 2002-10-15
    • Katsumi KobayashiTakeshi SuzumotoTakanori Hioki
    • Katsumi KobayashiTakeshi SuzumotoTakanori Hioki
    • G03C1/12G03C1/29G03C5/18G03C5/26
    • G03C1/12G03C1/29
    • A process for producing a spectrally sensitized silver halide photographic emulsion having high sensitivity. A process for producing a silver halide photographic emulsion comprising as a sensitizing dye at least one connection dye having two or more chromophores connected through a covalent bond, the process comprising adding said connection dye to a silver halide photographic emulsion and allowing at least one chromophore out of a plurality of chromophores in the molecule of the connection dye to change in the adsorption strength to a silver halide grain; and a process for producing a silver halide photographic emulsion comprising a silver halide grain having adsorbed on the surface thereof a sensitizing dye in multiple layers, the process comprising adding one or a plural of sensitizing dye(s) to said silver halide emulsion and allowing at least one sensitizing dye out of added sensitizing dyes to change in the adsorption strength to a silver halide grain.
    • 一种生产具有高灵敏度的光谱增感卤化银照相乳剂的方法。 一种制备卤化银照相乳剂的方法,其包含至少一种具有通过共价键连接的两个或更多个发色团的连接染料作为致敏染料,该方法包括将所述连接染料加入到卤化银照相乳剂中并允许至少一种发色团出来 的连接染料分子中的多个发色团,以将吸附强度改变为卤化银颗粒; 以及一种制备卤化银照相乳剂的方法,其包含在其表面吸附多层感光染料的卤化银颗粒,该方法包括在所述卤化银乳剂中加入一种或多种致敏染料,并允许 加入敏化染料中的至少一种敏化染料,以改变对卤化银颗粒的吸附强度。
    • 10. 发明授权
    • Black and white photothermographic material and image forming method
    • 黑白光热成像材料及成像方法
    • US07115358B2
    • 2006-10-03
    • US11133299
    • 2005-05-20
    • Takeshi FunakuboTakeshi Suzumoto
    • Takeshi FunakuboTakeshi Suzumoto
    • G03C1/05G03C1/494G03C1/00G03C5/16
    • G03C1/49809G03C1/49854G03C5/17
    • 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 1) the non-photosensitive organic silver salt includes at least one compound selected from the group consisting of a silver salt of an azole compound and a silver salt of a mercapto compound, and 2) the photosensitive silver halide has a spectral sensitizing dye in the form of a multilayer adsorbed on its surface.According to the invention, an improved black and white photothermographic material and image forming method realizing high sensitivity, favorable gradation, and less dependence on developing process conditions are provided.
    • 本发明提供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:1)非感光性有机银盐包括至少一种选自唑类化合物的银盐和巯基化合物的银盐的化合物,和2) 感光卤化银具有吸附在其表面上的多层形式的光谱增感染料。 根据本发明,提供了一种改进的黑白光热敏成像材料和图像形成方法,其实现了高灵敏度,有利的分级,并且对开发工艺条件的依赖性较小。