Light-sensitive silver halide radiographic film material having satisfactory antistatic properties during handling
    1.
    发明授权
    Light-sensitive silver halide radiographic film material having satisfactory antistatic properties during handling 失效
    感光卤化银放射照相胶片材料在处理过程中具有令人满意的抗静电性能

    公开(公告)号:US06316175B1

    公开(公告)日:2001-11-13

    申请号:US09507745

    申请日:2000-02-22

    IPC分类号: G03C185

    CPC分类号: G03C1/85 G03C5/16 Y10S430/168

    摘要: A silver halide photographic material has been provided, having in a layer arrangement at one or both sides of a subbed support, corresponding with a single-side coated or a double-side coated material respectively, one or more layer(s) comprising a light-sensitive silver halide emulsion, one or more protective antistress layer(s) and, optionally, an outermost afterlayer, wherein at least one of said layers, subbing layer(s) inclusive, further comprises means in order to provide, when conditioned at a relative humidity of at most 30%, an electrical resistance, measured as described in Research Disclosure June 1992, item 33840, of from 4×109 &OHgr;/sq. up to 5×1010 &OHgr;/sq. for the layer having the lowest resistance.

    摘要翻译: 已经提供了一种卤化银照相材料,其具有分层布置在辅助支撑体的一侧或两侧,分别对应于单侧涂布或双面涂覆材料,一层或多层包含光 敏感的卤化银乳剂,一种或多种保护抗静电层和任选的最外层涂层,其中至少一层所述层,包括层,还包括装置,以便当在 相对湿度至多为30%,电阻,按照1992年6月的“研究报告”,项目33840中所述测量,为4x109欧米加/平方英尺。 高达5x1010欧米加/平方英尺 对于具有最低电阻的层。

    Film/screen system and image-forming system for use in direct X-ray applications
    2.
    发明授权
    Film/screen system and image-forming system for use in direct X-ray applications 有权
    用于直接X射线应用的电影/屏幕系统和成像系统

    公开(公告)号:US06528227B2

    公开(公告)日:2003-03-04

    申请号:US09955674

    申请日:2001-09-19

    IPC分类号: G03C1035

    摘要: A direct X-ray system for industrial radiography like non-destructive testing applications, and personal monitoring, being particularly less sensitive to pressure phenomena, has been disclosed, said system consisting of a direct X-ray black-and-white negative-working radiographic film material, comprised of a transparent support coated on at least one side thereof with a tabular grain emulsion layer, substantially free from spectrally sensitizing dyes, in which at least 50 percent of total grain projected area of all grains is accounted for by silver bromoiodide tabular grains having an iodide content of less than 5 mole %, based on silver, having an average aspect ratio of at least 2, and having a volume greater than 0.03 &mgr;m3, further characterized in that said tabular grain emulsion layer(s) comprise(s), in an amount of from 5 mg up to 100 mg per mole of coated silver bromoiodide at least one desensitizing agent having a hetero-aromatic part and an electron-withdrawing group and (2) disposed on opposite sides of the radiographic element, two intensifying screen sheets selected from the group consisting of lead, lead oxide, copper and steel, said screen sheets having been designed in order to emit electrons when exposed to X- or &ggr;-rays with an energy greater than or equal to 10 kVp.

    摘要翻译: 已经公开了用于诸如非破坏性测试应用的工业射线照相的直接X射线系统和对压力现象特别不太敏感的个人监测,所述系统由直接X射线黑白负片射线照相 薄膜材料,由至少一面涂覆有透明支撑体的片状颗粒乳剂层组成,基本上不含光谱增感染料,其中所有颗粒的总颗粒投影面积的至少50%由溴碘化银片表示 具有基于银的碘化物含量小于5摩尔%的颗粒,其平均纵横比至少为2,体积大于0.03mum 3,其特征还在于所述片状颗粒乳剂层包含(s) ),每摩尔涂覆的溴碘化银至少一种具有杂芳族部分和吸电子基团的脱敏剂为5mg至100mg,和(2) 设置在放射线照相元件的相对侧上的两个增强丝网片选自由铅,氧化铅,铜和钢组成的组,所述筛板被设计成当暴露于X射线或γ射线时发射电子, 能量大于或等于10 kVp。

    Radiographic image forming film-screen system with blue pigment
    3.
    发明授权
    Radiographic image forming film-screen system with blue pigment 失效
    具有蓝色颜料的放射成像成像薄膜屏系统

    公开(公告)号:US5811229A

    公开(公告)日:1998-09-22

    申请号:US787379

    申请日:1997-01-22

    摘要: An image-forming film-screen system for medical diagnostic imaging is disclosed comprising a light-sensitive silver halide photographic film material in operative association with at least one intensifying screen comprising on a support a layer of a visible light emitting luminescent phosphor, the said film material comprising a support and on at least one side thereof a light-sensitive silver halide emulsion layer having spectrally sensitized tabular silver halide and a non-light-sensitive protective layer, wherein said protective layer contains a polymeric compound selected from the group consisting of gelatin, a synthetic, semi-synthetic or natural substitute for gelatin and latex (co)polymers, in an amount of at least 0.4 g per m.sup.2 ; characterized in that between a light-sensitive silver halide emulsion layer and said protective layer there is an intermediate layer comprising a blue colored pigment in dispersed form, having a solubility in isopropanol at 25.degree. C. of less than 10 mg per liter.

    摘要翻译: 公开了一种用于医学诊断成像的图像形成膜屏幕系统,其包括与至少一个增强屏幕可操作地相关联的感光卤化银照相胶片材料,所述增强屏幕在支撑体上包括可见光发光发光荧光体层,所述膜 包含载体的材料和至少一个具有光谱敏化的片状卤化银和非光敏保护层的感光卤化银乳剂层,其中所述保护层含有选自明胶的聚合化合物 ,明胶和胶乳(共)聚合物的合成,半合成或天然替代物,其量为至少0.4g / m2; 其特征在于,在感光卤化银乳剂层和所述保护层之间存在包含分散形式的蓝色颜料的中间层,其在25℃下在异丙醇中的溶解度小于10mg /升。

    Light-sensitive silver halide material providing improved surface characteristics after processing
    4.
    发明授权
    Light-sensitive silver halide material providing improved surface characteristics after processing 失效
    感光卤化银材料在加工后提供改善的表面特性

    公开(公告)号:US06218094B1

    公开(公告)日:2001-04-17

    申请号:US09407901

    申请日:1999-09-29

    IPC分类号: G03C146

    摘要: A light-sensitive silver halide photographic material has been provided comprising a support and on one or both sides thereof at least one light-sensitive silver halide emulsion layer, a gelatinous protective antistress layer and, adjacent thereto as an outermost layer, a gelatinous afterlayer characterized in that said afterlayer comprises at least one polymer latex, being a polybutylacrylate, a polybutylmethacrylate latex or a polyurethane latex, or a copolymer latex being a copolymer poly(butyl methacrylate) polyacrylamide N-substituted sulfo-isobutyl salt, in a ratio amount by weight of (co)polymer latex to gelatin from 0.2:1 up to 5:1 and a total amount of (co)polymer latex and gelatin of at least 0.10 g/m2.

    摘要翻译: 已经提供了一种感光卤化银照相材料,其包括载体,并且在其一侧或两侧上具有至少一个感光卤化银乳剂层,凝胶状保护抗静电层,并且在其附近作为最外层,凝胶状后涂层 因为所述后层包含至少一种聚合物胶乳,聚丙烯酸丁酯,聚甲基丙烯酸丁酯胶乳或聚氨酯胶乳,或共聚物聚(甲基丙烯酸丁酯)聚丙烯酰胺N-取代的磺基 - 异丁基盐,其重量比为 (共)聚合物胶乳与0.2:1至5:1的明胶和(共)聚合物胶乳和明胶的总量至少为0.10g / m 2。

    Method of developing x-ray materials
    5.
    发明授权
    Method of developing x-ray materials 失效
    x射线材料的开发方法

    公开(公告)号:US5296342A

    公开(公告)日:1994-03-22

    申请号:US975000

    申请日:1992-11-12

    CPC分类号: G03C5/16 G03C5/305

    摘要: For the processing in a total processing time of 60 seconds or less of exposed X-ray materials containing silver bromide or silver bromoiodide emulsions use is made of an aqueous alkaline photographic developing solution, having a pH in the range of 9 to 12, comprising a dihydroxybenzene developing agent, 4-hydroxymethyl-4-methyl-1-phenyl-3-pyrazolidinone as an auxiliary developing agent, at least one organic antifoggant and a compound providing iodide ions.

    摘要翻译: 对于处理总处理时间为60秒以下的暴露的含有溴化银或溴碘化银乳剂的X射线材料的处理,使用pH为9〜12的碱性照相显影液,其含有 二羟基苯显影剂,4-羟甲基-4-甲基-1-苯基-3-吡唑烷酮作为辅助显影剂,至少一种有机防灰雾剂和提供碘离子的化合物。

    Diagnostic radiographic silver halide photographic film material
    6.
    发明授权
    Diagnostic radiographic silver halide photographic film material 失效
    诊断射线照相卤化银摄影胶片材料

    公开(公告)号:US06733947B2

    公开(公告)日:2004-05-11

    申请号:US10609880

    申请日:2003-06-30

    IPC分类号: G03C1295

    摘要: A single-side coated silver halide photographic film material has been disclosed, said film material comprising a support, at least one light-sensitive emulsion layer and a substantially light-insensitive protective hydrophilic colloid layer farther away from said support than said emulsion layer, wherein said emulsion layer contains a silver halide emulsion rich in silver bromide with cubic crystals having an average numerical diameter in the range from 0.4 up to 0.8 &mgr;m, wherein at least 95 mole % of bromide ions are present, and wherein said hydrophilic colloid layer or another substantially light-insensitive hydrophilic colloid layer essentially comprises a hydrazide represented by the general formula (I) having a silver halide adsorbing group or a masked silver halide adsorbing group; besides a method for forming a diagnostic image comprising the steps of contacting said photographic film material with an intensifying screen, forming a film/screen assembly, and exposing said assembly to X-ray radiation with an energy lower than or equal to 70 kVp, and processing said film material during a time of 90 seconds or less in a processing cycle following the steps of developing, fixing, rinsing and drying, and wherein the developing proceeds in a radiographic developer composition essentially comprising a hydroquinone and a phenidone (a 1-phenyl-3-pyrazolidine-1-one compound) as a developing agent and a heteroatomic nitro-indazol.

    摘要翻译: 已经公开了单面涂覆的卤化银照相胶片材料,所述胶片材料包括载体,至少一种感光乳剂层和比所述乳剂层更远离所述载体的基本上不光敏的保护性亲水胶体层,其中 所述乳剂层含有富含溴化银的卤化银乳剂,其立方晶体的平均数值范围为0.4至0.8μm,其中存在至少95mol%的溴离子,并且其中所述亲水胶体层或另一种 基本上不透光的亲水胶体层基本上包含具有卤化银吸附基团或掩蔽的卤化银吸附基团的由通式(I)表示的酰肼; 除了用于形成诊断图像的方法之外,包括以下步骤:使所述照相胶片材料与增强屏幕接触,形成膜/屏幕组件,并将所述组件暴露于具有低于或等于70kVp的能量的X射线辐射,以及 在显影,固定,漂洗和干燥的步骤之后的处理循环中,在90秒或更短的时间内处理所述薄膜材料,并且其中显影在基本上包含氢醌和菲尼酮(1-苯基 -3-吡唑烷-1-酮化合物)和杂原子硝基 - 吲唑。

    Photographic silver halide photographic material for mammography
    7.
    发明授权
    Photographic silver halide photographic material for mammography 失效
    用于乳腺摄影的摄影卤化银照相材料

    公开(公告)号:US06573019B1

    公开(公告)日:2003-06-03

    申请号:US10100102

    申请日:2002-03-18

    IPC分类号: G03C516

    摘要: A radiographic film material has been described for recording medical diagnostic images of soft tissue through exposure to light, emitted by a single intensifying screen, after having been subjecting to exposure with X-rays, emitted from an X-ray generating device with a tube voltage of 20 kV to 40 kV, and processing, including development, fixing and drying, within a time of 120 (and more preferably 90) seconds or less, wherein said film is comprised of a transparent film support, front and back major faces and an image-forming portion for providing, when imagewise exposed by light emitted by said intensifying screen and processed, an average contrast or gradient in the range from 3.0 up to 4.5, measured over a density above fog in the range of from 0.25 to 2.00, and wherein said image-forming portion is comprised of layer units permeable for aqueous processing solutions, said layer units being a hydrophilic front layer unit coated on the said front major face of the support wherein the front layer unit is capable of reaching a maximum density of more than 3.00; a hydrophilic back layer unit coated on the said back major face of the support; wherein sensitivity (speed), measured at a density of 0.50 above fog, is higher for the front layer unit than for the back layer unit in an amount of from 0.70 up to 1.70 log (Exposure); characterized in that both the front layer unit and the back layer unit have one or more light-sensitive silver halide emulsion layer(s) coated with emulsion crystals, essentially having a cubic crystal habit.

    摘要翻译: 已经描述了一种射线照相胶片材料,用于通过暴露于光的单一增强屏幕发出的软组织的医学诊断图像,在已经用X射线照射之后,用X射线产生装置从管电压 20kV至40kV,并且在120℃(更优选90秒)以下的时间内进行显影,定影和干燥的处理,其中所述膜由透明膜支撑体,前后主面和 图像形成部分,当通过所述增强屏幕发射的光进行成像曝光并处理时,在0.25至2.00之间的雾度以上测量的平均对比度或范围为3.0至4.5的范围内,以及 其中所述图像形成部分由可渗透水性处理溶液的层单元组成,所述层单元是涂覆在所述载体的所述前主面上的亲水性前层单元,其中t 他的前层单元能够达到最大密度超过3.00; 涂覆在所述支撑体的所述后主面上的亲水性背层单元; 其中以雾度以上的浓度测量的灵敏度(速度)在前层单元中高于背层单元,其量为0.70至1.70log(曝光); 其特征在于,所述前层单元和所述背层单元都具有涂覆有乳液晶体的一种或多种感光卤化银乳剂层,其基本上具有立方晶体习性。

    Spectrally sensitized tabular grain photographic materials
    8.
    发明授权
    Spectrally sensitized tabular grain photographic materials 失效
    光谱敏化片状晶粒照相材料

    公开(公告)号:US06280915B1

    公开(公告)日:2001-08-28

    申请号:US08267527

    申请日:1994-06-29

    IPC分类号: G03C146

    摘要: A silver halide coated photographic material is disclosed comprising sensitized silver bromide or silver bromoiodide tabular grains having an average thickness of less than 0.30 &mgr;m, in at least one light-sensitive layer and which is characterised in that it further contains in the said light-sensitive layer and/or at least one non-light sensitive layer at least one polyoxyethylene compound comprising from about 20 to 100 mole percent recurring units of the formula (Ia) and 80 to 0 mole % recurring units of the formula and wherein R represents an aliphatic, aromatic, or heterocyclic group, and X represents a halogen.

    摘要翻译: 公开了一种卤化银涂覆的感光材料,其包含在至少一个感光层中具有小于0.30μm的平均厚度的敏化溴化银或溴碘化银片状颗粒,其特征在于它还含有所述光敏感 层和/或至少一个非光敏层,至少一种聚氧乙烯化合物,其包含约20至100摩尔%的式(Ia)的重复单元和80至0摩尔%的下式重复单元,其中R表示脂族, 芳香族或杂环基,X表示卤素。

    System for direct X-ray radiography suitable for use in industrial non-destructive testing applications and personal monitoring
    9.
    发明授权
    System for direct X-ray radiography suitable for use in industrial non-destructive testing applications and personal monitoring 失效
    用于直接X射线摄影的系统,适用于工业无损检测应用和个人监控

    公开(公告)号:US06630278B2

    公开(公告)日:2003-10-07

    申请号:US09955673

    申请日:2001-09-19

    IPC分类号: G03C108

    摘要: A system has been disclosed for use in radiographic industrial non-destructive testing materials and personal monitoring, making use therefor, of tabular silver brom(oiod)ide emulsion grains having {111} major faces, an average equivalent circular diameter of at least 0.5 &mgr;m and an average thickness of less than 0.30 &mgr;m, having been chemically sensitized by the steps of adding at least a gold salt in order to provide the surface of said tabular grains with at least 6000 atoms of gold per &mgr;m2 of its grain surface and per (0.1 &mgr;m of thickness)2; and at least a sulfite salt in such an amount that the ratio of the number of gold atoms per &mgr;m2 and (concentration of said sulfite salt, expressed in mmole per mole of silver)2 is at least 200000.

    摘要翻译: 已经公开了一种用于放射照相工业无损检测材料和个人监测的系统,用于具有{111}主面,平均当量圆直径至少为0.5μm的片状溴溴化银(oiod) 并且平均厚度小于0.30μm,已经通过加入至少金盐的步骤进行化学增感,以便使所述片状颗粒的表面具有至少6000个原子的金,每个其2μm的颗粒表面 和(0.1μm厚度)<2>; 和至少一种亚硫酸盐,其量使得每m 2的金原子数的比率和(所述亚硫酸盐的浓度,以毫摩尔/摩尔的银表示)2的比率为至少200000。

    Method to spectrally sensitize tabular silver halide grains
    10.
    发明授权
    Method to spectrally sensitize tabular silver halide grains 失效
    对片状卤化银颗粒进行光谱敏化的方法

    公开(公告)号:US06300051B1

    公开(公告)日:2001-10-09

    申请号:US09271372

    申请日:1999-03-18

    IPC分类号: G03C100

    摘要: A method has been disclosed for preparing a tabular silver halide emulsion wherein tabular silver halide grains having an average aspect ratio of at least 2:1, an average crystal diameter from 0.3 &mgr;m to 3.0 &mgr;m and an average thickness of less than 0.50 &mgr;m account for at least 50% of the total projective surface area of said grains, said method comprising the steps of precipitating, spectrally sensitizing and chemically ripening said grains, characterized by spectrally sensitizing by adding to the emulsion grains before chemically ripening at least one J-band aggregating spectrally sensitizing dye and at least one non-J-band aggregating dye. A light-sensitive silver halide emulsion having at least one J-band aggregating dye and at least one non-J-band aggregating dye comprising said tabular grains has also been disclosed as well as a light-sensitive silver halide photographic X-ray material comprising a support, at least one hydrophilic colloid layer on at least one side of said support and one or more photosensitive layer(s) comprising the said silver halide photographic emulsion and a radiographic screen-film combination comprising at least one X-ray intensifying screen in operative association with the said material.

    摘要翻译: 已经公开了制备片状卤化银乳剂的方法,其中平均长宽比为至少2:1,平均晶体直径为0.3μm至3.0μm,平均厚度小于0.50μm的片状卤化银颗粒占 所述方法包括以下步骤:使所述晶粒沉淀,光谱增感和化学熟化,其特征在于通过在化学成熟至少一个J-带聚集体之前加入到乳液颗粒中进行光谱增感 光谱增感染料和至少一种非J-带聚集染料。 还公开了具有至少一个J带聚集染料和包含所述片状颗粒的至少一种非J带聚集染料的感光卤化银乳剂以及感光卤化银照相X射线材料,其包含 载体,至少一个位于所述载体的至少一侧上的亲水胶体层和包含所述卤化银照相乳剂的一个或多个感光层和包含至少一个X射线增强屏幕的射线照相屏幕膜组合, 与所述材料的操作性关联。