公开(公告)号：US20070196778A1

公开(公告)日：2007-08-23

申请号：US11638488

申请日：2006-12-14

申请人： Katsuhisa Ohzeki ,  Yasuaki Deguchi ,  Kouta Fukui ,  Yasuhiro Yoshioka

发明人： Katsuhisa Ohzeki ,  Yasuaki Deguchi ,  Kouta Fukui ,  Yasuhiro Yoshioka

IPC分类号： G03C1/00

CPC分类号： G03C5/02 ,  G03C1/49818 ,  G03C1/49827 ,  G03C1/49863 ,  G03C7/3041 ,  G03C7/344 ,  G03C7/346 ,  G03C7/36 ,  G03C7/383 ,  G03C7/3835 ,  G03C7/384 ,  G03C2007/3025

摘要： The present invention provides a black and white photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide and a non-photosensitive organic silver salt, and a non-photosensitive layer including at least a coupler, wherein at least one of the image forming layer and the non-photosensitive layer includes a color developing agent; a grain density of the photosensitive silver halide in the image forming layer is from 20 grains/μm3 to 103 grains/μm3; and an optical density of an image formed by imagewise exposing and thermally developing the black and white photothermographic material satisfies the following equation (A): 0.02

摘要翻译： 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包含感光卤化银和非感光性有机银盐的图像形成层和至少包含至少一种非光敏有机银盐的非感光层 耦合器，其中图像形成层和非感光层中的至少一个包括彩色显影剂; 图像形成层中的感光性卤化银的粒子密度为20粒/毫米3〜10 3粒/微米3 / 并且通过成像曝光和热显影黑白光热敏成像材料形成的图像的光密度满足以下等式（A）：<？在线公式描述=“在线公式”end =“lead”？> 0.02 其中D表示1.0至2.0范围内的光密度值 ; Dc表示通过染料在图像的光密度中获得的光密度。

公开(公告)号：US20070196777A1

公开(公告)日：2007-08-23

申请号：US11606882

申请日：2006-12-01

申请人： Yasuaki Deguchi ,  Kouta Fukui ,  Katsuhisa Ohzeki ,  Masahiko Taniguchi ,  Yasuhiro Yoshioka

发明人： Yasuaki Deguchi ,  Kouta Fukui ,  Katsuhisa Ohzeki ,  Masahiko Taniguchi ,  Yasuhiro Yoshioka

IPC分类号： G03C1/00

CPC分类号： G03C1/498 ,  G03C1/46 ,  G03C1/49827 ,  G03C1/49863 ,  G03C5/02 ,  G03C7/3041 ,  G03C7/344 ,  G03C7/346 ,  G03C7/36 ,  G03C7/383 ,  G03C7/3835 ,  G03C7/384 ,  G03C2200/36

摘要： The present invention provides a black and white photothermographic material having, a first image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for silver ions, wherein the black and white photothermographic material further has a second image forming layer including at least a coupler, and at least one of the first image forming layer and the second image forming layer includes a color developing agent. A black and white photothermographic material which exhibits high sensitivity, excellent image tone, and excellent storage stability is provided.

摘要翻译： 本发明提供一种黑色和白色光热敏成像材料，其具有至少包含感光卤化银，非感光性有机银盐和银离子还原剂的第一图像形成层，其中黑色和白色光热敏成像材料还具有 至少包括耦合器的第二图像形成层，并且所述第一图像形成层和所述第二图像形成层中的至少一个包括彩色显影剂。 提供了具有高灵敏度，优异的图像色调和优异的储存稳定性的黑白光热敏成像材料。

公开(公告)号：US20070072135A1

公开(公告)日：2007-03-29

申请号：US11506807

申请日：2006-08-21

申请人： Kouta Fukui

发明人： Kouta Fukui

IPC分类号： G03C1/00

CPC分类号： G03C1/49872 ,  G03C1/49809 ,  G03C1/49863 ,  G03C2001/7635 ,  G03C2200/35 ,  G03C2200/36

摘要： The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a first non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer including a second non-photosensitive organic silver salt that is different from the first non-photosensitive organic silver salt on the same side of the support as the image forming layer and farther from the support than the image forming layer, wherein the photothermographic material further has a non-photosensitive intermediate layer between the image forming layer and the non-photosensitive layer, and 50% by weight or more of a binder in the non-photosensitive intermediate layer is a polymer latex. A photothermographic material, which exhibits improved image storability and improved resistance to image defects, is provided.

公开(公告)号：US20070065763A1

公开(公告)日：2007-03-22

申请号：US11498281

申请日：2006-08-03

申请人： Kouta Fukui

发明人： Kouta Fukui

IPC分类号： G03C1/00

CPC分类号： G03C1/49872 ,  G03C1/498 ,  G03C1/49854 ,  G03C1/49863 ,  G03C7/3041 ,  G03C7/32 ,  G03C2200/26 ,  G03C2200/35 ,  G03C2200/36 ,  G03C2200/37

摘要： The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, wherein the photothermographic material includes a cyan color-forming compound, a maximum density of an image obtained after thermal development is 4.0 or more, and a gradation on a photographic characteristic curve is from 1.0 to 4.5. A photothermographic material, which has high image density and favorable gradation and is suitable for mammography, is provided.

摘要翻译： 本发明提供一种光热敏成像材料，其在载体的至少一侧具有至少包含感光卤化银，非光敏有机银盐，还原剂和粘合剂的成像层，其中光热成像材料 包括青色成色化合物，热显影后获得的图像的最大密度为4.0以上，照相特性曲线的灰度为1.0〜4.5。 提供了具有高图像密度和良好等级并且适用于乳房X光照相术的光热敏成像材料。

公开(公告)号：US20060127826A1

公开(公告)日：2006-06-15

申请号：US11267194

申请日：2005-11-07

申请人： Kouta Fukui

发明人： Kouta Fukui

IPC分类号： G03C1/00

CPC分类号： G03C1/49809 ,  G03C1/0051 ,  G03C1/04 ,  G03C1/46 ,  G03C1/49818 ,  G03C1/49863 ,  G03C5/17 ,  G03C2001/7425 ,  G03C2200/36 ,  Y10S430/165

摘要： A photothermographic material including, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a first organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer which is disposed on the same side as the image forming layer and farther from the support than the image forming layer, wherein 50% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having a silver iodide content of 40 mol % or higher and an aspect ratio of 2 or more, and the non-photosensitive layer comprises a second organic silver salt, and an image forming method using the same. The invention provides a photothermographic material and an image forming method excellent in image tone and image storability.

摘要翻译： 一种光热成像材料，在至少一个支撑体的一侧包括至少包括感光卤化银，第一有机银盐，还原剂和粘合剂的图像形成层，以及至少一个非感光层， 设置在与图像形成层相同的一侧并且比图像形成层更远离支撑体，其中感光卤化银的总投影面积的50％或更多占据碘化银含量为40mol％的片状颗粒， 或更高，纵横比为2以上，非感光层包含第二有机银盐，以及使用其的图像形成方法。 本发明提供了一种光热成像材料和图像色调和图像保存性优异的图像形成方法。

公开(公告)号：US20060057508A1

公开(公告)日：2006-03-16

申请号：US11221743

申请日：2005-09-09

申请人： Kouta Fukui ,  Takayoshi Oyamada

发明人： Kouta Fukui ,  Takayoshi Oyamada

IPC分类号： G03C5/16

CPC分类号： G03C1/49872 ,  G03C1/49809 ,  G03C1/49881 ,  G03C2001/7635 ,  G03C2200/35 ,  G03C2200/52

摘要： An image forming method using a photothermographic material including, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a first non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer disposed on the same side as the image forming layer and farther from the support than the image forming layer, wherein the non-photosensitive layer contains a second organic silver salt which is different from the first non-photosensitive organic silver salt, and the photothermographic material is thermally developed for 3 seconds to 20 seconds after imagewise exposure. An image forming method with excellent resistance to stain before exposure, raw stock storability, and resistance to defects after processing is provided.

摘要翻译： 一种使用光热敏成像材料的图像形成方法，该光热敏成像材料在载体的至少一侧包括至少含有感光卤化银，第一非感光性有机银盐，还原剂和粘合剂的图像形成层， 至少一个非感光层设置在与图像形成层相同的一侧并且比图像形成层更远离支撑体，其中非感光层含有与第一非光敏有机银不同的第二有机银盐 盐，并且光成像材料在成像曝光后热显影3秒至20秒。 提供了一种在曝光前具有优异的耐污染性，原料储存性和加工后的缺陷耐性的成像方法。

公开(公告)号：US06924089B2

公开(公告)日：2005-08-02

申请号：US10209260

申请日：2002-08-01

申请人： Toyohisa Oya ,  Hirokazu Kyota ,  Kouta Fukui

发明人： Toyohisa Oya ,  Hirokazu Kyota ,  Kouta Fukui

IPC分类号： G03C1/498

CPC分类号： G03C1/498 ,  G03C1/49827 ,  G03C1/49845

摘要： An object of the present invention is to provide a novel heat-developable photosensitive material which hardly exerts an influence on the image color tone and exhibits high sensitivity.Disclosed is a heat-developable photosensitive material comprises, on the same surface of a substrate, at least (a) photosensitive silver halide, (b) a reducible silver salt, (c) a compound represented by the general formula (5), (d) a binder, (e) a compound represented by the general formula (6) or (7), and (f) a compound represented by the general formula (3).

摘要翻译： 本发明的目的是提供一种几乎不对图像色调产生影响并显示出高灵敏度的新型热显影感光材料。 公开了一种热显影感光材料，其在基材的相同表面上至少包含（a）感光卤化银，（b）可还原银盐，（c）由通式（5）表示的化合物，（ d）粘合剂，（e）由通式（6）或（7）表示的化合物，和（f）由通式（3）表示的化合物。

公开(公告)号：US06485898B2

公开(公告)日：2002-11-26

申请号：US09754371

申请日：2001-01-05

申请人： Yasuhiro Yoshioka ,  Kouta Fukui ,  Makoto Suzuki

发明人： Yasuhiro Yoshioka ,  Kouta Fukui ,  Makoto Suzuki

IPC分类号： G03C1498

CPC分类号： G03C1/49827 ,  G03C1/49845

摘要： A photothermographic material comprising a defined amount of a compound represented by the following general formula as a reducing agent is disclosed. In the following general formula, R1 and R1′ each independently represent an alkyl group, at least one of which is a secondary or tertiary alkyl group; R2 and R2′ each independently represent hydrogen atom or a group that can be a substituent on benzene ring; L represents —S— group or a —CH(R3)— group where R3 represents hydrogen atom or an alkyl group; and X and X′ each independently represent hydrogen atom or a group that can be a substituent on benzene ring. The photothermographic material is characterized by providing sufficient image density by heat development, and showing good silver color tone and little change with time after the development.

摘要翻译： 公开了一种含有限定量的由以下通式表示的化合物作为还原剂的光热敏成像材料。 在下列通式中，R 1和R 1'各自独立地表示烷基，其中至少一个是仲或叔烷基; R2和R2'各自独立地表示氢原子或可以是苯环上的取代基的基团; L表示-S-基或-CH（R3） - 基，其中R3表示氢原子或烷基; X和X'各自独立地表示氢原子或可以作为苯环上的取代基的基团。 光热照相材料的特征在于通过热显影提供足够的图像密度，并且在显影后显示出良好的银色调和随时间的变化。

公开(公告)号：US5989773A

公开(公告)日：1999-11-23

申请号：US831777

申请日：1997-03-31

申请人： Kouta Fukui ,  Minoru Sakai ,  Kazunobu Katoh

发明人： Kouta Fukui ,  Minoru Sakai ,  Kazunobu Katoh

IPC分类号： G03C1/06 ,  G03C5/30 ,  G03C5/305 ,  G03C5/29

CPC分类号： G03C1/061 ,  G03C5/30 ,  G03C5/305 ,  G03C1/067 ,  G03C2001/108 ,  G03C2005/3007 ,  G03C2200/33 ,  G03C5/3053

摘要： A developing processing method and an image forming method are described, which comprise the steps of (a) exposing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer; and (b) developing the exposed silver halide photographic material with a developer containing a developing agent, containing substantially no dihydroxybenzene developing agent, containing an auxiliary developing agent exhibiting a superadditive property, containing a quaternary onium salt compound, and having a pH value of from 9.5 to 11.5, or a developer containing a developing agent, containing substantially no dihydroxybenzene developing agent, and having a pH value of from 10 or less.

公开(公告)号：US5858612A

公开(公告)日：1999-01-12

申请号：US861723

申请日：1997-05-22

申请人： Nobuaki Inoue ,  Kouta Fukui

发明人： Nobuaki Inoue ,  Kouta Fukui

IPC分类号： G03C5/29 ,  G03C1/035 ,  G03C1/06 ,  G03C1/09 ,  G03C1/20 ,  G03C5/16 ,  G03C5/30

CPC分类号： G03C1/061 ,  G03C5/164 ,  G03C1/09

摘要： A method for forming a superhigh contrast image which comprises the steps of image-exposing a silver halide photographic material having a silver halide emulsion layer provided on a support, the layer comprising silver halide grains containing 50 mol % or more of silver chloride and 1.times.10.sup.-8 to 1.times.10.sup.-6 mol of a complex of rhodium, ruthenium, rhenium, or osmium per mol of silver halide, being spectrally sensitized so as to have the maximum sensitivity in the wavelength region of 750 nm or more, and further containing a hydrazine compound; and processing with a developer which contains a developing agent of a ascorbic acid type and does not substantially contain that of a dihydroxybenzene type, the silver halide photographic material being processed with the developer which causes less harm to the environment.

摘要翻译： 一种用于形成超高对比度图像的方法，包括以下步骤：对设置在载体上的卤化银乳剂层的卤化银照相材料进行成像曝光，该层包含含有50mol％或更多氯化银的卤化银颗粒和1×10- 8至1×10 -6摩尔每摩尔卤化银的铑，钌，铼或锇的络合物被光谱增感，以便在750nm以上的波长区域具有最大灵敏度，并且还含有肼化合物 ; 并用含有抗坏血酸型显影剂并且基本上不含二羟基苯类显影剂的显影剂进行处理，卤化银照相材料用显影剂处理，对环境的危害较小。