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公开(公告)号：US5637447A
公开(公告)日：1997-06-10
申请号：US574508
申请日：1995-12-19
申请人： Robert E. Dickerson , Richard E. Beal , Franklin C. Brayer , Stephen A. Hershey , Patrick M. Jeffries
发明人： Robert E. Dickerson , Richard E. Beal , Franklin C. Brayer , Stephen A. Hershey , Patrick M. Jeffries
CPC分类号： G03C5/164 , G03C1/295 , G03C1/832 , G03C5/16 , G03C1/035 , G03C2200/58 , Y10S430/145 , Y10S430/167
摘要： A radiation-sensitive film for reproducing digitally stored medical diagnostic images through a series of laterally offset exposures by a controlled radiation source followed byprocessing in 90 seconds or less including development, fixing and drying is disclosed. The film exhibits an average contrast in the range of from 1.5 to 2.0, measured over a density above fog of from 0.25 to 2.0. An emulsion is provided in which silver bromochloride grains provided (a) containing at least 10 mole percent bromide, based on silver, (b) having a mean equivalent circular diameter of less than 0.40 .mu.m, (c) exhibiting an average aspect ratio of less than 1.3, and (d) coated at a silver coverage of less than 40 mg/dm.sup.2. Adsorbed to the surfaces of the silver bromochloride grains is at least one spectral sensitizing dye having an absorption half peak bandwidth in the spectral region of exposure by the controlled exposure source. The film also contains an infrared opacifying dye capable of reducing specular transmission through the film before, during and after processing to less than 50 percent, measured at a wavelength within the spectral region of from 850 to 1100 nm.
摘要翻译： 公开了一种用于通过受控辐射源的一系列横向偏移曝光再现数字存储的医疗诊断图像的辐射敏感膜，随后在90秒或更短时间内处理，包括显影，定影和干燥。 该薄膜的平均对比度在1.5至2.0的范围内，在雾度以上的密度测量为0.25至2.0。 提供了一种乳液，其中溴溴化银颗粒提供（a）含有至少10摩尔百分比的溴，基于银，（b）平均当量圆直径小于0.40微米，（c）具有平均长宽比 小于1.3，（d）以小于40mg / dm2的银覆盖率涂覆。 吸附到溴氯化银颗粒的表面上的是至少一种光谱增感染料，其在受控曝光源的曝光的光谱区域中具有吸收半峰带宽。 该薄膜还含有一种红外遮光染料，其能够在850至1100nm的光谱区域内的波长下测量，在加工前，加工期间和之后通过薄膜的镜面透射小于50％。
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2.发明授权Yellow dye-containing developing/fixing monobath and method for processing roomlight handleable black-and-white photographic elements 失效含黄色染料的显影/固定单体和室温可处理的黑白照相元件的处理方法
公开(公告)号：US6022675A
公开(公告)日：2000-02-08
申请号：US289320
申请日：1999-04-09
摘要： Black-and-white elements, such as radiographic films, can be processed in roomlight using a developing/fixing monobath composition that also includes a water-soluble colorant, such as a water-soluble "yellow" dye, that provides safelight conditions in the processing composition. The processing method is carried out quickly, that is within 120 seconds. The colorant has a maximum absorption wavelength of from about 350 to about 500 nm, and is transparent in solution.
摘要翻译： 可以使用显影/固定单体组合物在室温下处理黑白元素，例如放射照相胶片，其还包括水溶性着色剂，例如水溶性“黄色”染料，其在 加工成分。 处理方法快速进行，即在120秒内。 着色剂具有约350至约500nm的最大吸收波长，并且在溶液中是透明的。
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3.发明授权Yellow dye-containing developing composition and its use in two-stage processing of roomlight handleable black-and-white photographic elements 失效含黄色染料的显影组合物及其在室温下可处理的黑白摄影元件的两级加工中的应用
公开(公告)号：US6033838A
公开(公告)日：2000-03-07
申请号：US260101
申请日：1999-03-02
CPC分类号： G03C5/305 , G03C1/36 , G03C5/26 , G03C5/266 , G03C5/383 , G03C1/0051 , G03C1/832 , G03C5/16 , G03C5/30 , G03C5/38
摘要： Black-and-white elements, such as radiographic films, can be processed in roomlight because the developing composition includes a water-soluble colorant. Such colorants are water-soluble dyes that have a maximum absorption wavelength of from about 350 to about 500 nm. Processing is carried out by processing the exposed element using a two-stage process in the same processing container. In the first stage, development is initiated with an opaque developing composition having a pH of from about 10 to about 12.5, and comprising an appropriate black-and-white developing agent, a yellow colorant, and a sulfite. After an appropriate time, a fixing agent (other than a sulfite) is introduced into the processing container to begin simultaneous development and fixing. The entire process in quite rapid, that is less than 90 seconds.
摘要翻译： 黑白元素如放射照相胶片可在室温下加工，因为显影组合物包含水溶性着色剂。 这种着色剂是具有约350至约500nm的最大吸收波长的水溶性染料。 通过在相同的处理容器中使用两阶段处理来处理暴露的元件来进行处理。 在第一阶段中，开发具有pH为约10至约12.5的不透明显影组合物，并且包含适当的黑白显影剂，黄色着色剂和亚硫酸盐。 在适当的时间之后，将定影剂（亚硫酸盐以外的物质）引入处理容器中以开始同时显影和固定。 整个过程相当快，也就是不到90秒。
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公开(公告)号：US5942378A
公开(公告)日：1999-08-24
申请号：US80792
申请日：1998-05-18
CPC分类号： G03C5/305 , G03C1/36 , G03C5/26 , G03C5/266 , G03C5/383 , G03C1/0051 , G03C1/832 , G03C5/16 , G03C5/30 , G03C5/38
摘要： Black-and-white elements, such as radiographic films, can be processed in roomlight because the developing composition includes a water-soluble colorant. Such colorants are water-soluble dyes that have a maximum absorption wavelength of from about 350 to about 500 nm. Processing is carried out by processing the exposed element using a two-stage process in the same processing container. In the first stage, development is initiated with an opaque developing composition having a pH of from about 10 to about 12.5, and comprising an appropriate black-and-white developing agent, a yellow colorant, and a sulfite. After an appropriate time, a fixing agent (other than a sulfite) is introduced into the processing container to begin simultaneous development and fixing. The entire process in quite rapid, that is less than 90 seconds.
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公开(公告)号：US5972578A
公开(公告)日：1999-10-26
申请号：US080732
申请日：1998-05-18
摘要： Black-and-white elements, such as radiographic films, can be processed in roomlight using a developing/fixing monobath composition that also includes a water-soluble colorant, such as a water-soluble "yellow" dye, that provides safelight conditions in the processing composition. The processing method is carried out quickly, that is within 120 seconds. The colorant has a maximum absorption wavelength of from about 350 to about 500 nm, and is transparent in solution.
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公开(公告)号：US5856077A
公开(公告)日：1999-01-05
申请号：US911483
申请日：1997-08-14
CPC分类号： G03C1/067 , G03C5/16 , G03C1/0051 , G03C2001/094 , G03C2200/52 , G03C2200/58 , G03C5/02 , Y10S430/167
摘要： A mammographic medical diagnostic radiographic element is disclosed that produces sharp images and is capable of being processed in less than 60 seconds. Each of imaging and antihalation fully forehardened hydrophilic colloid layer units are coated on the opposite sides of a transparent film support at a hydrophilic colloid coating coverage of less than 55 mg/dm.sup.2. The radiation-sensitive silver halide grains contained in the imaging layer unit are provided by a tabular grain emulsion coated at a coverage capable of providing a maximum density on processing of greater than 3.6. To provide a mid-scale contrast of greater than 3.0 and a lower scale contrast of greater than 2.2, the radiation-sensitive grains (a) exhibit an equivalent circular diameter coefficient of variation grain of less than 15 percent and (b) contain rhodium in a normalized molar concentration of less than 1.times.10.sup.-6 based on silver.
摘要翻译： 公开了一种乳房X线照相医学诊断放射线照相元件，其产生清晰的图像并且能够在不到60秒内进行处理。 在透明膜载体的相对侧上，以小于55mg / dm 2的亲水胶体涂层覆盖率将完全预硬化的亲水胶体层单元中的每一个成像和防光晕涂覆。 包含在成像层单元中的辐射敏感卤化银颗粒由涂覆在覆盖层上的片状颗粒乳剂提供，能够在大于3.6的处理上提供最大密度。 为了提供大于3.0的中等尺度对比度和大于2.2的较小尺度对比度，辐射敏感颗粒（a）表现出等于圆直径变异系数小于15％，（b）含有铑 基于银的归一化摩尔浓度小于1×10 -6。
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公开(公告)号：US06673507B1
公开(公告)日：2004-01-06
申请号：US10440950
申请日：2003-05-19
IPC分类号： G03C1035
CPC分类号： G03C5/16 , G03C1/0051 , G03C1/46 , G03C1/825 , G03C5/17 , G03C5/26 , G03C2001/03517 , G03C2001/03541 , G03C2001/03594 , G03C2007/3025 , G03C2200/27 , G03C2200/52 , Y10S430/167
摘要： A radiographic silver halide film has improved processability because it includes a silver halide emulsion composed of cubic grains having a critical molar ratio of chloride, iodide, and bromide. In particular, the cubic grains comprise from about 1 to about 20 mol % of chloride and from about 0.25 to about 1.5 mol % of iodide, with the remainder being bromide. The cubic grains also have an ECD of from about 0.65 to about 0.8 &mgr;m. This film is particularly useful in mammography for imaging dense soft tissue.
摘要翻译： 放射线卤化银膜具有改进的加工性能，因为它包括由具有氯化物，碘化物和溴化物的临界摩尔比的立方晶体组成的卤化银乳剂。 特别地，立方晶粒包含约1至约20mol％的氯化物和约0.25至约1.5mol％的碘化物，其余为溴化物。 立方晶粒还具有约0.65至约0.8μm的ECD。 该膜在用于成像致密软组织的乳房X线照相术中特别有用。
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8.发明授权Blue spectrally sensitized film for radiography, imaging assembly and method 失效蓝光谱增感胶片用于放射成像，成像组装和方法公开(公告)号：US06686116B1
公开(公告)日：2004-02-03
申请号：US10397435
申请日：2003-03-26
IPC分类号： G03C517
CPC分类号： G03C5/16 , G03C1/047 , G03C1/16 , G03C1/29 , G03C1/46 , G03C5/17 , G03C5/26 , G03C2001/0055 , G03C2001/03511 , G03C2001/03535 , G03C2007/3025 , G03C2200/27 , G03C2200/52 , Y10S430/167 , Y10S430/168
摘要： A blue-sensitive radiographic silver halide film comprises a silver halide emulsion layer comprising predominantly tabular silver halide grains that have an aspect ratio of at least 15, a grain thickness of at least 0.1 &mgr;m, and comprise at least 90 mol % bromide and up to 4 mol % iodide, based on total silver halide. Substantially all of the iodide is present in an internal localized portion of the tabular silver halide grains that excludes the surface of the grains. The tabular silver halide grains are dispersed in a hydrophilic polymeric vehicle mixture comprising at least 0.5% of oxidized gelatin, based on the total dry weight of the polymeric vehicle mixture in the emulsion layer. The tabular silver halide grains are spectrally sensitized using a combination of spectral sensitizing dyes to provide increased speed and reduced dye stain. The dyes have maximum J-aggregate absorptions on the tabular silver halide grains of from about 380 to about 500 nm, wherein the maximum J-aggregate absorption of one spectral sensitizing dye is from about 20 to about 50 nm lower in wavelength than the maximum J-aggregate absorption of the second spectral sensitizing dye.
摘要翻译： 蓝色感光放射线卤化银膜包括卤化银乳剂层，其主要包含片状卤化银颗粒，其长宽比至少为15，晶粒厚度为至少0.1μm，并且包含至少90mol％的溴化物，直到 4mol％碘化物，基于总卤化银。 基本上所有的碘化物都存在于不排除颗粒表面的片状卤化银颗粒的局部部分内。 片状卤化银颗粒分散在包含至少0.5％氧化明胶的亲水性聚合物载体混合物中，基于乳液层中聚合物载体混合物的总干重。 片状卤化银颗粒使用光谱增感染料的组合进行光谱增感，以提高速度和减少染色剂染色。 这些染料在约380至约500nm的片状卤化银颗粒上具有最大的J-聚集体吸收，其中一种光谱增感染料的最大J-聚集体吸收值比最大J值低约20至约50nm 聚集的第二光谱增感染料的吸收。
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公开(公告)号：US5952147A
公开(公告)日：1999-09-14
申请号：US69528
申请日：1998-04-29
摘要： Portal radiographic elements and a process of confirming the targeting of a beam of X-radiation of from 4 to 25 MVp using the portal radiographic elements are disclosed. The X-radiation is directed at a shield containing a port to create a beam. The beam is directed at a selected anatomical feature of a patient over a period of at least 30 seconds. The portion of the beam that passes through the patient impinges on a metal screen, causing it to emit electrons, and the electrons impinge upon a fluorescent screen, causing it to emit light that exposes a portal verification radiographic element to create a latent image in light-sensitized silver halide grains. A processor is employed to convert the latent image to a viewable silver image from which intended targeting of the X-radiation beam can be verified. The processor relies on attenuation of an infrared beam of a wavelength from 850 to 1100 nm by the radiographic element for activation, and at least one of the hydrophilic colloid layers of the radiographic element contains desensitized silver halide grains to increase the specular density of the radiographic element in the wavelength range of infrared sensors that control the processor.
摘要翻译： 公开了门静脉造影元件和使用门静脉造影元件确定4至25MVp的X射线束的靶向的过程。 X射线被引导到包含端口的屏蔽件以产生光束。 该束在至少30秒的时间内被引导到患者的选定解剖特征。 穿过患者的束的部分撞击在金属屏幕上，使其发射电子，并且电子撞击在荧光屏上，使其发射暴露入口验证放射线照相元件的光以在光中产生潜像 敏化卤化银颗粒。 使用处理器将潜像转换成可视的银图像，从而可以验证X射线束的预期瞄准。 处理器依赖于用于激活的射线照相元件从850nm到1100nm的波长的红外光束的衰减，并且放射线照相元件的至少一个亲水胶体层含有脱敏的卤化银颗粒以增加放射照相的镜面密度 元件在控制处理器的红外传感器的波长范围内。
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10.发明授权Infrared sensor detectable radiographic elements containing very thin tabular grain emulsions 失效红外传感器可检测的含有非常薄的片状颗粒乳剂的放射照相元件
公开(公告)号：US5876909A
公开(公告)日：1999-03-02
申请号：US934177
申请日：1997-09-19
IPC分类号： G03C5/26 , G03C1/00 , G03C1/005 , G03C1/035 , G03C1/74 , G03C1/825 , G03C5/16 , G03C5/38 , G03C1/76
CPC分类号： G03C5/164 , G03C1/8255 , G03C1/0051 , G03C5/16 , Y10S430/145 , Y10S430/164 , Y10S430/167
摘要： The problem of sensing the presence of radiographic elements using infrared sensors that occurs when a radiographic element contains one or more very thin tabular grain emulsions a total silver coating coverage of less than 30 mg/dm.sup.2 is addressed by placing particles in one or more non-emulsion hydrophilic colloid layers. The particles are removable during rapid access processing, have a mean equivalent circular diameter of from 0.3 to 1.1 .mu.m, and have an index of refraction at the wavelength of the infrared radiation that differs from the index of refraction of the hydrophilic colloid by at least 0.2.
摘要翻译： 当放射线照相元件含有一个或多个非常薄的片状颗粒乳剂时，使用红外传感器感测放射线照相元件的存在的问题，总涂层覆盖率小于30mg / dm 2，通过将颗粒放置在一个或多个非织造布 乳液亲水胶体层。 颗粒在快速进入处理过程中是可去除的，具有0.3至1.1μm的平均当量圆直径，并且在红外辐射的波长处的折射率与亲水胶体的折射率至少不同 0.2。
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