公开(公告)号：US20040191707A1

公开(公告)日：2004-09-30

申请号：US10805364

申请日：2004-03-22

发明人： Tetsurou Mitsui ,  Masayuki Hayashi ,  Katsuhisa Ohzeki

IPC分类号： G03C001/46

CPC分类号： G03C1/015 ,  G03C1/0051 ,  G03C1/035 ,  G03C2001/0058 ,  G03C2001/0157 ,  G03C2001/0357 ,  G03C2200/38

摘要： A process for the preparation of an emulsion of silver halide fine grains having a number-average equivalent circle diameter of 100 nm or less and coefficient of variation in equivalent circle diameter of 40% or less, wherein the fine grains are prepared via at least one Ostwald ripening step.

摘要翻译： 一种制备数均当量圆直径为100nm以下且等效圆直径变化系数为40％以下的卤化银细粒的乳液的方法，其中细晶粒通过至少一种 奥斯特瓦尔德成熟步骤

公开(公告)号：US20040048207A1

公开(公告)日：2004-03-11

申请号：US10303913

申请日：2002-11-26

发明人： Tokuju Oikawa

IPC分类号： G03C001/035 ,  G03C001/22

CPC分类号： G03C1/20 ,  G03C1/0051 ,  G03C1/061 ,  G03C1/08 ,  G03C1/22 ,  G03C5/02 ,  G03C5/265 ,  G03C2001/0055 ,  G03C2001/03511 ,  G03C2001/0357 ,  G03C2001/03594

摘要： Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, wherein 40 mol % or more of silver halide contained in the silver halide emulsion layer is silver bromide and the silver halide contains 1null10null6 mole or more per mole of silver of a metal complex containing one or more cyanide ligands, and the silver halide photographic light-sensitive material has a characteristic curve drawn in orthogonal coordinates of logarithm of light exposure (x-axis) and optical density (y-axis) using equal unit lengths for the both axes, on which gamma is 4.0 or more for the optical density range of 0.1-1.5. There is provided a silver halide photographic light-sensitive material showing high contrast and high sensitivity.

公开(公告)号：US06686142B2

公开(公告)日：2004-02-03

申请号：US10090243

申请日：2002-03-04

申请人： Kathy Elst ,  Paul Callant

发明人： Kathy Elst ,  Paul Callant

IPC分类号： G03C1005

CPC分类号： G03C1/035 ,  G03C1/18 ,  G03C1/29 ,  G03C5/17 ,  G03C2001/03511 ,  G03C2001/03541 ,  G03C2001/0357 ,  G03C2001/03594 ,  G03C2200/01 ,  Y10S430/167

摘要： A chemically and spectrally-sensitized emulsion has been described, wherein said emulsion comprising (100) cubic silver halide grains with an average edge length of from 0.2 up to 1.5 &mgr;m, has been spectrally sensitized by addition at least three trimethine dyes: a main spectral sensitizer added in an amount of at least 85 mole % of all spectral sensitizers added, followed by adding a second spectral sensitizer in an amount of not more than 10 mole % and a third spectral sensitizer in an amount of at most 1 mole % wherein at least said main spectral sensitizer has two benzoxazole rings in its chemical structure, at least said third spectral sensitizer has two benzimidazole rings in its chemical structure and wherein the said second spectral sensitizer has a structure more sterically hindered than the structure of the other spectral sensitizers. A light-sensitive silver halide photographic film material coated with such emulsion and a radiographic screen/film combination has been described.

摘要翻译： 已经描述了化学和光谱增感的乳液，其中包括平均边缘长度为0.2至1.5μm的（100）立方体卤化银颗粒的所述乳液已经通过加入至少三种三甲基染料进行光谱增感：主光谱 加入所加入的所有光谱增感剂的至少85摩尔％的敏化剂，然后加入量不超过10摩尔％的第二光谱增感剂和至多1摩尔％的第三光谱增感剂，其中在 至少所述主光谱敏化剂在其化学结构中具有两个苯并恶唑环，至少所述第三光谱敏化剂在其化学结构中具有两个苯并咪唑环，并且其中所述第二光谱增感剂具有比其它光谱增感剂的结构更空间位阻的结构。 已经描述了涂覆有这种乳液的感光卤化银照相胶片材料和射线照相屏/膜组合。

公开(公告)号：US06645680B2

公开(公告)日：2003-11-11

申请号：US10098503

申请日：2002-03-18

申请人： Ryuji Abe ,  Minoru Sato

发明人： Ryuji Abe ,  Minoru Sato

IPC分类号： G03C146

CPC分类号： G03C1/49881 ,  G03C1/0051 ,  G03C5/50 ,  G03C7/30 ,  G03C7/3029 ,  G03C7/3041 ,  G03C2001/03535 ,  G03C2001/03558 ,  G03C2001/0357 ,  G03C2007/3031 ,  G03C2200/11 ,  G03C2200/29

摘要： A silver halide color reversal photographic material comprising a layer capable of imparting interimage effects, this interimage effects imparting layer comprising a lightsensitive silver halide emulsion comprising silver halide grains satisfying the following conditions (i) to (iii). (i) The silver halide grains have an average silver iodide content of more than 6 to 39 mol %. (ii) Grains occupying 60% or more of a projected area of all the silver halide grains are those of triple or greater multiplicity structure having at least one layer of high silver iodide content, the silver iodide content being 8 mol % or more, which layer of high silver iodide content is one formed using silver in an amount of 15 to 80 mol % based on that used in obtaining final grains. (iii) All the silver halide grains have surfaces having an average silver iodide content of 10 mol % or less.

摘要翻译： 包含能够赋予图像间效应的层的卤化银彩色反转照相材料，该图像间效应赋予层包括含有满足以下条件（i）〜（iii）的卤化银颗粒的感光卤化银乳剂。 （i）卤化银颗粒的平均碘化银含量大于6〜39摩尔％。 （ii）占所有卤化银颗粒的投影面积的60％或更多的颗粒是具有至少一层高碘化银含量，碘化银含量为8mol％或更多的三重或更多重复结构的颗粒，其中 高碘化银含量层是根据获得最终晶粒所用量为15〜80摩尔％的银而形成的。 （iii）所有的卤化银颗粒具有平均碘化银含量为10摩尔％以下的表面。

公开(公告)号：US20030096202A1

公开(公告)日：2003-05-22

申请号：US10151533

申请日：2002-05-20

申请人： KONICA CORPORATION

发明人： Rieko Ren ,  Tomoyuki Nakayama

IPC分类号： G03C001/035 ,  G03C007/32

CPC分类号： G03C7/3835 ,  G03C1/0051 ,  G03C2001/0055 ,  G03C2001/0056 ,  G03C2001/03535 ,  G03C2001/0357

摘要： Silver halide emulsions are disclosed comprising tabular silver halide grains containing dislocation lines in the peripheral region of the major faces; the tabular grains comprising a high iodide phase which is internal to and along the dislocation lines and an internal region which is surrounded by the high iodide phase and comprised of substantially homogeneous silver halide phase and having an average iodide content of not more than 1 mol %. Silver halide photographic materials by the use of the emulsion are also disclosed.

摘要翻译： 公开了卤化银乳剂，其包含在主面周边区域中含有位错线的片状卤化银颗粒; 片状颗粒包含在位错线内部和沿着位错线的高碘化物相和由高碘化物相包围并由基本上均匀的卤化银相组成并且具有不大于1mol％的平均碘化物含量的内部区域， 。 还公开了通过使用乳液的卤化银照相材料。

公开(公告)号：US20030008249A1

公开(公告)日：2003-01-09

申请号：US10050580

申请日：2002-01-18

申请人： FUJI PHOTO FILM CO., LTD.

发明人： Hideo Ikeda

IPC分类号： G03C001/035 ,  G03C001/09 ,  G03C001/08 ,  G03C001/34

CPC分类号： G03C1/0051 ,  G03C1/09 ,  G03C1/346 ,  G03C5/50 ,  G03C7/30 ,  G03C2001/0056 ,  G03C2001/03535 ,  G03C2001/0357 ,  G03C2001/097 ,  G03C2200/03 ,  G03C2200/40

摘要： A silver halide photographic emulsion wherein a variation coefficient of an equivalent-circle diameter of all the silver halide grains is 40% or less, and 50% or more of the total projected area is occupied by tabular grains satisfying requirements (i) to (v): (i) silver iodobromide having (111) faces as principal surfaces; (ii) the equivalent-sphere diameter of 0.5 nullm or less, a thickness of 0.20 nullm or less, and an average aspect ratio of 3 or more; (iii) a silver iodide content of 2 mol % or more and 6 mol % or less; (iv) a multiple-structure having a quintuple structure or more in which a silver iodide distribution has at least two maximums from a center to an edge, the first maximum is in a range of 3 to 25% by a silver amount constituting grains, and the second maximum is in a range of 50 to 80%; and (v) ten or more of dislocation lines per grain are present at a fringe portion.

摘要翻译： 一种卤化银照相乳剂，其中所有卤化银颗粒的当量圆直径的变异系数为40％以下，总投影面积的50％以上占满了满足要求（i）〜（v ）：（i）具有（111）的碘溴化银面为主面; （ii）等效球直径为0.5μm以下，厚度为0.20μm以下，平均纵横比为3以上; （iii）碘化银含量为2摩尔％以上且6摩尔％以下; （iv）具有五重结构或更多的多元结构，其中碘化银分布从中心到边缘具有至少两个最大值，第一最大值在构成颗粒的银量的3至25％的范围内， 第二最大值在50〜80％的范围内。 和（v）每个晶粒的十个或更多个位错线存在于边缘部分。

公开(公告)号：US20020061482A1

公开(公告)日：2002-05-23

申请号：US09955437

申请日：2001-09-19

发明人： Mikio Ihama ,  Genichi Furusawa

IPC分类号： G03C001/035

CPC分类号： G03C1/0051 ,  G03C2001/0056 ,  G03C2001/0153 ,  G03C2001/03535 ,  G03C2001/03552 ,  G03C2001/0357 ,  G03C2200/03

摘要： A silver halide photographic emulsion, wherein at least 70% of the total projected area of silver halide grains contained therein is occupied by silver bromochloroiodide hexagonal epitaxial tabular grains each having (111) faces as main planes and an epitaxial protrusion portion, wherein the epitaxial protrusion portion exists on at least one apex portion of the hexagon, and, when an average silver chloride content of the epitaxial protrusion portions of all the grains having the epitaxial protrusion portion is expressed as CL mol %, a silver chloride content of each epitaxial protrusion portion of each grain falls within the range of 0.7 CL to 1.3 CL.

摘要翻译： 一种卤化银照相乳剂，其中包含其中的卤化银颗粒的总投影面积的至少70％被每个具有（111）面作为主平面的银溴氯碘化物六边形外延片状颗粒和外延突出部分占据，其中外延突起 在六边形的至少一个顶点存在部分，并且当具有外延突出部分的所有晶粒的外延突起部分的平均氯化银含量表示为CL mol％时，每个外延突出部分的氯化银含量 的每个晶粒落在0.7 CL至1.3 CL的范围内。

公开(公告)号：US20020058214A1

公开(公告)日：2002-05-16

申请号：US09478437

申请日：2000-01-06

发明人： Mitsuo Saitou ,  Yoichi Maruyama ,  Toshiyuki Nabeta ,  Masaaki Miki ,  Keiichi Miyazaki ,  Mikio Ihama ,  Shunji Takada ,  Norihiro Omae ,  Yasushi Tanabe

IPC分类号： G03C001/035 ,  G03C001/08

CPC分类号： G03C1/95 ,  G03C1/0051 ,  G03C7/3022 ,  G03C7/3029 ,  G03C7/39204 ,  G03C2001/0055 ,  G03C2001/0357 ,  G03C2007/3034

摘要： A silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide emulsion layer contains, in the dispersion medium phase of the emulsion, one or more kinds of inorganic fine particles having a refractive index the total weight of the fine particles contained in the unit volume of the dispersion medium phase is from 1.0 to 95 wt %, the dispersion medium phase containing the fine particles is substantially transparent to the photosensitive peak wavelength light of the emulsion layer, and the photographic material is exposed and processed in the development process comprising at least a developing step and a fixing step.

摘要翻译： 公开了一种卤化银照相材料，其包括其上设置有至少一个卤化银乳剂层的载体，其中所述卤化银乳剂层在乳液的分散介质相中含有一种或多种具有折射率的无机细颗粒 指示分散介质相的单位体积中所含的细颗粒的总重量为1.0〜95重量％，含有微粒的分散介质相对于乳剂层的感光峰值波长光基本透明， 照相材料在包括至少显影步骤和定影步骤的显影过程中曝光和加工。

公开(公告)号：US20020037485A1

公开(公告)日：2002-03-28

申请号：US09902950

申请日：2001-07-11

发明人： Kathy Elst ,  Ilse Mans

IPC分类号： G03C001/035

CPC分类号： G03C1/0051 ,  G03C1/047 ,  G03C1/46 ,  G03C5/16 ,  G03C2001/0055 ,  G03C2001/0156 ,  G03C2001/03511 ,  G03C2001/0357 ,  G03C2005/168 ,  G03C2200/03 ,  G03C2200/27 ,  G03C2200/44 ,  G03C2200/60 ,  Y10S430/167 ,  Y10S430/168

摘要： A method has been described of preparing an ultrathin tabular grain emulsion rich in silver bromide, having null111null major faces, wherein tabular grains having a thickness of less than 0.08 nullm exhibit an average aspect ratio of more than 5:1 and account for at least 75%, and more preferably at least 80%, by number of hexagonal grains and a coefficient of variation on average equivalent surface area of less than 0.50, said process comprising: introducing into a temperature-controlled reaction vessel an aqueous dispersing medium and silver, bromide, and, optionally, iodide and/or chloride, and maintaining pBr values within said reaction vessel during grain nucleation and growth that favors the formation and growth of tabular grains, characterized in that at the time said tabular grains are being formed, (a) pH in said reaction vessel is maintained at a value ranging from 0.8 to 10; (b) a gelatino-peptizer is present in the reaction vessel in a concentration of from 0 to 50 g per liter of said dispersing medium, and (c) pBr within said reaction vessel having a value of at least 1.8 is maintained during grain nucleation, wherein nucleation is performed in a reaction vessel at a temperature in the range from 10-60null C. and a pBr value within said reaction vessel is maintained at a value of less than 2.4 during growth, wherein growth is performed in a reaction vessel at a temperature in the range from 40-80null C., and more preferably in the range between 40 and 50null C. in order to reach a grain thickness of less than 0.06 nullm, provided that a gelatin peptizer which is free from calcium ions and has a methionine content of less than 30 micromoles per gram of gelatino-peptizer is present in said dispersing medium during grain nucleation and growth. Moreover a photographic material comprising an emulsion prepared according to the method of the present invention has been claimed.

公开(公告)号：US06287753B1

公开(公告)日：2001-09-11

申请号：US09621629

申请日：2000-07-21

申请人： Mikio Ihama ,  Hiroshi Kawakami ,  Haruyasu Nakatsugawa

发明人： Mikio Ihama ,  Hiroshi Kawakami ,  Haruyasu Nakatsugawa

IPC分类号： G03C1005

CPC分类号： G03C1/0051 ,  G03C1/09 ,  G03C1/346 ,  G03C2001/0055 ,  G03C2001/0056 ,  G03C2001/0357 ,  G03C2001/097 ,  G03C2200/03 ,  G03C2200/40

摘要： This invention provides a silver halide photographic emulsion having high sensitivity and small processing dependence and a photosensitive material using the emulsion. The silver halide photographic emulsion is characterized in that the variation coefficient of equivalent-circle diameters of all grains is 40% or less, and 50% or more of the total projected area are accounted for by tabular grains meeting conditions (i) to (v) below: (i) the tabular grains are silver iodobromide or silver bromochloroiodide tabular grains having (111) faces as major surfaces, (ii) an equivalent-circle diameter is 3.5 &mgr;m or more and a thickness is 0.25 &mgr;m or less, (iii) a silver iodide content is 2 to 6 mol %, (iv) a silver chloride content is 3 mol % or less, (v) a silver iodide distribution has a quintuple or a higher-order multiple structure.

摘要翻译： 本发明提供了具有高灵敏度和小的加工依赖性的卤化银照相乳剂和使用该乳液的感光材料。 卤化银照相乳剂的特征在于，所有晶粒的等效圆直径的变异系数为40％以下，总投影面积的50％以上由片状颗粒满足条件（i）〜（v ）：（i）片状颗粒是具有（111）面作为主表面的碘溴化银或溴氯氯代银片，（ii）当量圆直径为3.5μm或更大，厚度为0.25μm或更小，（iii ）碘化银含量为2〜6摩尔％，（iv）氯化银含量为3摩尔％以下，（v）碘化银分布具有五重态或高级多重结构。