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公开(公告)号：US5405739A
公开(公告)日：1995-04-11
申请号：US146522
申请日：1993-11-01
申请人： Yukio Ohya , Masato Okuyama
发明人： Yukio Ohya , Masato Okuyama
摘要： A silver halide photographic light-sensitive material comprises a support and provided thereon, a silver halide emulsion layer containing silver halide grains and a macrocyclic compound in an amount of 1.times.10.sup.-6 to 1.times.10.sup.-1 mol per mol of silver, said macrocyclic compound comprising a 9- or more-membered ring containing at least one of a nitrogen atom, an oxygen atom, a sulfur atom and a selenium atom, and said silver halide grains having a silver chloride content of not less than 90 mol % and containing at least one metal selected from the group consisting of metals of VIB group, VIIB group, VIII group, IIB group, IIIA group and IVA group from the Periodic Table.
摘要翻译： 卤化银照相感光材料包括载体，其上含有卤化银颗粒和每摩尔银1×10-6至1×10-1摩尔量的大环化合物的卤化银乳剂层，所述大环化合物包含 包含氮原子，氧原子，硫原子和硒原子中的至少一个的9元或更多元环，所述卤化银粒子的氯化银含量为90摩尔％以上且含有至少一个 选自元素周期表中的VIB族，VIIB族，VIII族，IIB族，IIIA族和IVA族金属的金属。
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公开(公告)号：US5508159A
公开(公告)日：1996-04-16
申请号：US373497
申请日：1995-01-17
申请人： Masato Okuyama , Yukio Ohya
发明人： Masato Okuyama , Yukio Ohya
摘要： A silver halide photographic light-sensitive material is disclosed, which comprises a support and provided thereon, a silver halide emulsion layer containing a crown ether having a 18-membered ring condensed with at least one aromatic ring and silver halide grains having a (100) face and satisfying the following inequality:15.ltoreq.Kwherein K is defined to be (intensity of a diffraction line attributed to a (200) face)/(intensity of a diffraction line attributed to a (222) face).
摘要翻译： 公开了一种卤化银照相感光材料，其包含载体并在其上提供含有具有与至少一个芳族环稠合的18元环的冠醚的卤化银乳剂层和具有（100） 并且满足以下不等式：其中K定义为（归因于（200）面的衍射线的强度）/（归因于（222）面的衍射线的强度）。
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公开(公告)号：US5246828A
公开(公告)日：1993-09-21
申请号：US866743
申请日：1992-04-10
申请人： Masato Okuyama , Yukio Ohya
发明人： Masato Okuyama , Yukio Ohya
CPC分类号： G03C1/28
摘要： Disclosed is a light-sensitive silver halide photographic material having at least one silver halide emulsion layer on a support, wherein (1) the silver halide emulsion is spectrally sensitized by a red-sensitive sensitizing dye and contains a macrocyclic compound having at least one hetero atom, (2) a number of aliphatic rings forming the macrocyclic compound is 4 or less, and (3) the macrocyclic compound has an aromatic ring, which has good aging storage stability and excellent safelight safety characteristics, and can provide high sensitivity stably.
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公开(公告)号：US06265144B1
公开(公告)日：2001-07-24
申请号：US09469695
申请日：1999-12-22
申请人： Masato Okuyama , Shigeo Tanaka
发明人： Masato Okuyama , Shigeo Tanaka
IPC分类号： G03C1005
CPC分类号： G03C1/015 , G03C5/164 , Y10S430/145
摘要： A method of preparing a silver halide emulsion is disclosed, comprising the steps of forming a silver halide emulsion, subjecting the silver halide emulsion to chemical sensitization, and adding a sensitizing dye the silver halide emulsion, wherein the sensitizing dye exhibits an absorption maximum at a wavelength of not less than 730 nm, the pAg of the emulsion being adjusted to a range of from 7.50 to 8.25 after strating the chemical sensitization and before adding the sensitizing dye.
摘要翻译： 公开了制备卤化银乳剂的方法，其包括以下步骤：形成卤化银乳剂，使卤化银乳剂经受化学增感，并加入敏化染料卤化银乳剂，其中增感染料在 波长不小于730nm，在化学增感之后和加入敏化染料之前将乳液的pAg调节至7.50至8.25的范围。
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