公开(公告)号：US06593076B2

公开(公告)日：2003-07-15

申请号：US09837608

申请日：2001-04-18

申请人： Keiko Maeda ,  Tetsuo Shima ,  Kazuyoshi Goan

发明人： Keiko Maeda ,  Tetsuo Shima ,  Kazuyoshi Goan

IPC分类号： G03C1498

CPC分类号： G03C1/49818 ,  G03C2001/03594 ,  Y10S430/136

摘要： A photothermographica material is disclosed, comprising an organic silver salt and a light sensitive silver halide, wherein the photothermographic material contains a hydrophilic binder of 0.5 to 2 g per mol of the organic silver salt and the organic silver salt having been formed in the presence of the silver halide of 7×1015 to 3×1017 grains per mol of the organic salt.

公开(公告)号：US6127109A

公开(公告)日：2000-10-03

申请号：US151160

申请日：1998-09-10

申请人： Kazuyoshi Goan

发明人： Kazuyoshi Goan

IPC分类号： G03C1/005 ,  G03C1/34 ,  G03C1/35 ,  G03C5/17 ,  G03C1/035 ,  G03C1/09

CPC分类号： G03C1/346 ,  G03C1/0051 ,  G03C1/355 ,  G03C1/34 ,  G03C2001/0055 ,  G03C2001/03535 ,  G03C2001/094 ,  G03C2200/33 ,  G03C2200/40 ,  G03C5/17 ,  Y10S430/167

摘要： A silver halide light sensitive photographic material is disclosed, comprising a support having thereon hydrophilic colloid layers including a silver halide emulsion layer, wherein (i) at least 50% of the total projected area of silver halide grains contained in the emulsion layer is accounted for by tabular grains having an aspect ratio of 3 to 15, (ii) the tabular grains each comprising an inner region which accounts for 70% by volume of the grain and a residual outer region, the outer region containing at least 75% of total iodide contained in the grain, and (iii) the tabular grains each having an outermost layer, a halide content distribution among the tabular grains with respect to the outermost layer being not more than 20%; and wherein at least one of the hydrophilic colloid layers contains a sulfur containing compound, which has a water-solubilizing group.

摘要翻译： 公开了一种卤化银感光照相材料，其包括其上具有包括卤化银乳剂层的亲水胶体层的载体，其中（i）占乳剂层中所含的卤化银颗粒的总投影面积的至少50％ 通过具有3至15的纵横比的片状颗粒，（ii）片状颗粒各自包含占颗粒体积的70体积％的内部区域和残余的外部区域，外部区域含有总碘化物的至少75％ （iii）每个具有最外层的片状颗粒，片状颗粒之间相对于最外层的卤化物含量分布不大于20％; 并且其中所述亲水胶体层中的至少一个含有具有水溶性基团的含硫化合物。

公开(公告)号：US5420007A

公开(公告)日：1995-05-30

申请号：US227260

申请日：1994-04-14

申请人： Kazuyoshi Goan

发明人： Kazuyoshi Goan

IPC分类号： G03C1/015 ,  G03C1/005 ,  G03C1/035 ,  G03C1/07

CPC分类号： G03C1/0051 ,  G03C1/015 ,  G03C2001/03529 ,  G03C2001/03535

摘要： A method for preparing silver halide emulsion which comprises silver halide grains containing an average iodide content of not more than 2 mol % comprising the steps of (i) preparing a seed emulsion containing silver halide seed grains, (ii) introducing the seed emulsion into a reaction vessel containing a hydrophilic colloid solution and (iii) introducing into the reaction vessel a silver salt and a halide salt to grow the silver halide grains from the seed grains, wherein in the step (iii), an emulsion containing silver iodide fine grains previously formed is supplied into the reaction vessel as a source of silver iodide; said seed grains are contained in an amount of 0.5 to 5.0% by volume in the hydrophilic colloid solution in the reaction vessel prior to introduction of silver and halide salts.

摘要翻译： 一种制备卤化银乳剂的方法，其包含平均碘化物含量不超过2mol％的卤化银颗粒，其包括以下步骤：（i）制备含有卤化银种子颗粒的种子乳液，（ii）将种子乳液引入 含有亲水胶体溶液的反应容器和（iii）将银盐和卤化物盐引入反应容器中以从种子晶粒生长卤化银颗粒，其中在步骤（iii）中，预先含有碘化银细粒的乳液 形成的反应容器作为碘化银源; 在引入银和卤化物盐之前，在反应容器中的亲水胶体溶液中所述籽粒的含量为0.5-5.0％（体积）。