Abstract: A method of forming a color image which comprises subjecting a silver halide color reversal photographic material to imagewise exposure and then to color reversal processing, said color reversal photographic material comprising a support having provided thereon at least one red-sensitive emulsion layer, at least one green-sensitive emulsion layer and at least one blue-sensitive emulsion layer wherein the emulsion layers have an average silver iodide content of up to 5 mol %, and wherein the peak sensitivity of the red layer is in a range between 615 and 640 nm, wherein on the shorter wavelength side, 80% of the peak is in a range between 600 and 633 nm, 50% of the peak is in a range between 585 and 625 nm and 25% of the peak is in a range between 570 and 615 nm, and wherein on the longer wavelength side, 80% of the peak is in a range between 620 and 648 nm, 50% of the peak is in a range between 625 and 655 nm and 25% of the peak is in a range between 630 and 665 nm, wherein the wavelength difference between t

Abstract: A silver halide color photographic material comprising a support having thereon (i) at least one silver halide light-sensitive emulsion layer containing substantially silver iodide free silver halide with a silver chloride content of at least 90 Mol %, (ii) at least one coupler which forms a dye by means of a coupling reaction with the oxidized product of a primary aromatic amine developing agent, and (iii) at least one light-insensitive layer containing at least one oil soluble anti-color mixing agent which reacts with the oxidized product of the developing agent, said light-insensitive layer containing at least one oil soluble and substantially non-diffusible anti-color mixing promotor selected from the group consisting of compounds represented by general formula (I) or general formula (II): ##STR1## wherein A represents a divalent electron attractive group, R.sub.

Abstract: Assemblies of double coated radiographic elements exhibiting sharply curtailed crossover and front and back intensifying screen pairs are disclosed. By choosing a front screen that exceeds a stated sharpness criterion, expressed in terms of modulation transfer factors (MTF), and a back screen and adjacent emulsion layer unit combination exhibiting a photicity at least twice that of the combination of the front screen and its adjacent emulsion layer unit an enhancement in detective quantum efficiency (DQE) is realized.

Abstract: A silver halide photosensitive material comprising a support having thereon a layer containing (a) an organic compound which releases a free radical on contact with light rays and (b) a compound which undergoes a change in the absorption spectrum due to the action of the released free radical.

Abstract: A direct positive photographic light-sensitive material is disclosed which comprises at least two direct positive emulsion layers having the same color sensitivity, wherein at least one hydrophilic colloid layer is provided between the direct positive emulsion layers. A direct positive photographic light-sensitive material having a high graininess, a soft tone, and a high picture quality can be obtained.

Abstract: A silver halide color negative photographic material having at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on a support, which is characterized in that the combined total of silver contents in the material is from 3.0 g/m.sup.2 to 8.0 g/m.sup.2 and the specific photographic sensitivity of the material is from 320 to less than 800. The material has improved sharpness and graininess and has high processability including pressure-resistance. Even after stored for long periods of time, the graininess of the material does not deteriorate.

Abstract: In a process for the preparation of a multilayered photographic material in which the layers are applied in at least two stages and the material is dried and wound up in between the stages, sticking of the semi-finished preparations does not occur if the uppermost layer applied in the first stage contains polymer particles soluble in alkali and having an average particle diameter from 0.2 to 5.0 .mu.m.

Abstract: A data storage medium is provided which is suitable for production or replication by moulding, casting, embossing or a similar process against a tool. The data storage medium comprises an optically sensitive layer at or adjacent to one surface of the medium, said one surface of the medium comprising a plurality of topographical features or structures disposed in a regularly repeating pattern, said pattern being free from undercutting so that the medium can be produced and/or replicated by molding, casting, embossing or similar process against a tool. The optically sensitive layer is preferably overcoated with a thin film of a metallic material which conforms to the topography of said surface.

Abstract: A silver halide photographic material and an image forming method using such material are described, said material comprising a surface latent image forming silver halide emulsion layer unit on a support, and containing a hydrazine compound in at least one of said emulsion layer unit and other constituent layers, said emulsion layer unit being composed of at least two layers, with the silver halide emulsion present in a fine-grained low-sensitivity emulsion layer having a minimum average grain size being not more than 80% of the average grain size of a coarse-grained high-sensitivity silver halide emulsion having the maximum average grain size, and said silver halide photographic material attains a contrast of 10 or more in terms of gamma value when a developer containing at least 0.15 mol/liter of sulfite ions and having a pH of from 9.5 to 12.3 is used.

Abstract: A radiographic element is disclosed which exhibits high covering power, reduced crossover without emulsion desensitization, reduced wet pressure sensitivity, and can be fully processed in a rapid transport processor in less than 90 seconds. The radiographic is comprised of tabular grain emulsion layers on opposite sides of a transparent film support and processing solution decolorizable dye particles in hydrophilic colloid layers interposed between the emulsion layers and the support. Hydrophilic colloid on each side of the support is in the range of from 35 to 65 mg/dm.sup.2, with the interposed layer containing hydrophilic colloid in the amount of at least 10 mg/dm.sup.2.

Abstract: Photopolymeric printing plates wherein an electrochemically etched, anodized and silicated aluminum plate has a plurality of coatings applied thereon and wherein at least one of the coatings include a solvent soluble diazo therein.

Abstract: A process for producing masked positive color images by the silver dye bleach process using a developer solution which contains 0.3 to 1.0 mol/l of a bromide.

Abstract: A process for forming images which comprises forming a continuous layer of photosensitive microparticles, said microparticles being formed from a material which becomes tacky upon exposure to actinic radiation, image-wise exposing said layer to actinic radiation such that said particles become tacky in the exposed areas, assembling said layer with a receive sheet, and transferring said microparticles to said receiver sheet in the exposed areas.

Abstract: The present invention relates to a photographic support having a secondary diffuse-reflective surface, and a color photosensitive material comprising at least one silver halide emulsion layer formed on the secondary diffuse-reflective surface of a photographic support. A photographic support of the present invention provides an image having remarkably improved brightness, saturation, tone reproducibility in shadow areas and sharpness. A color photosensitive material of the present invention provides an image having remakably improved brightness, saturation, tone reproducibility in shades and sharpness and also capable of rapid development.

Abstract: A silver halide photographic material is capable of super-rapid processing with the total time of 20 to 60 minutes and is high in sensitivity, low in fogginess and excellent in pressure resistance and graininess. The photographic material is comprises a support bearing a hydrophilic colloial layer including at least one light sensitive silver halide emulsion layer thereon, whereinsilver halide grains contained in the silver halide emulsion layer are mainly comprised of tabular grains which have an aspect ratio of the grain size to the grain thickness of not lower than 5, and the projective areas of the whole tabular grain occupy not less than 50% of the projective areas of the whole silver halide grain in the emulsion layer,the melting time of the silver halide photographic light-sensitive material is within the range of from not shorter than 45 minutes, andon the side bearing the hydrophilic colloidal layer containing the silver halide emulsion layer, an amount of gelatin is within the range of from 2.

Abstract: A radiation-sensitive carrier body directly utilized as a stamper has a glass substrate, a first highly adhesive layer securely adhered to the substrate, a radiation-sensitive layer which discharges a gas component upon being irradiated with a laser beam and which locally forms a protuberance due to the absorbed energy, a second highly adhesive layer securely adhered to the specific material of the radiation-sensitive layer and which deforms in accordance with deformation of the layer, and a metal layer which has a high releasability to allow easy separation from a optical disk substrate material such as an acrylic material when the carrier body is used as a stamper substrate for manufacturing optical disks. A protuberance formed on the carrier body such as a continuous spiral protuberance allows formation of a corresponding spiral groove in the acrylic material, serving as a pre-track into which desired information will be digitally written by a user.

Abstract: A photographic material exhibiting improved photographic characteristics comprising a photographic material comprising a support having a layer of microcapsules thereon, and an image-forming agent being associated with said microcapsules, said microcapsules including a mixture of a first subset of microcapsules and a second subset of microcapsules, said first and second subsets of microcapsules being associated with an image-forming agent for the same color, and said first subset of microcapsules providing a higher film speed than said second subset of microcapsules when said first and second subsets of microcapsules are exposed to a broad band white light source and developed under identical conditions.

Abstract: A silver halide color photographic material having at least one silver halide emulsion layer on a support is disclosed. Said silver halide emulsion layer contains at least one of the 1H-pyrazolo [3,2-c]-S-triazole derived magenta couplers that have a substituent of the following formula at 3-position:--R.sub.1 --S(O).sub.n --R.sub.2whereinR.sub.1 is an alkylene group;R.sub.2 is an alkyl, cycloalkyl or aryl group; andn is 1 or 2.

Abstract: A color image, wherein granularity is reduced under conditions allowing any sharpness loss to be kept under control, is obtained by image-wise exposing and developing in an alkaline water solution containing a color developer a silver halide color photographic element comprising a support base and at least a silver halide emulsion layer containing dispersed a non-diffusing hydrophobic coupler which upon reactiong with an oxidized developing agent forms a non-diffusing dye, characterized by the fact that said emulsion contains dispersed therein oil droplets, said droplets containing said non-diffusing coupler dissolved therein, and furthermore polymer particles in a quantity sufficient to obtain controlled smearing of the image-forming dye.

Abstract: In a silver halide color photographic material which has red-, green- and blue-sensitive silver halide emulsion layers on a support, the improvement wherein the total thickness of the hydrophilic colloid layers is not more than 18 .mu.m on a dry basis and at least one silver halide emulsion layer contains a cyan dye-forming coupler represented by the following general formula (I): ##STR1## where R.sub.1 is an optionally substituted alkyl, aryl or heterocyclic group; Ar is an optionally substituted aryl group; and X is a group that may be eliminated upon coupling reaction with the oxidized product of a color developing agent.

Abstract: A method for processing a silver halide color photographic material is disclosed, which comprises processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer comprising silver chloride or silver chlorobromide containing at least 80 mol % of silver chloride with a color developing solution and thereafter processing the material with a bleach-fixing solution, wherein the bleach-fixing solution contains a ferric complex salt of an organic acid and from about 1.times.10.sup.-2 to about 2 mol of bromide ions and/or from about 5.times.10.sup.-4 to about 5.times.10.sup.-2 mol of iodide ions per liter.The method for processing a silver halide color photographic material according to the present invention is excellent in desilvering ability, and enables rapid processing to be conducted.

Abstract: A method for forming images which comprises image-wise exposing a photosensitive material to heat while simultaneously exposing said material to non-infrared actinic radiation, said material including a support and a layer of microcapsules containing an image-forming agent and a radiation curable composition on the surface of said support; said radiation curable composition being liquid at ambient temperatures and being substantially unhardened in the areas in which said material is simultaneously exposed to said heat and radiation and being substantially hardened in the areas in which said material is not simultaneously exposed to said heat and radiation; and subjecting said microcapsules to a uniform rupturing force such that said microcapsules image-wise release said image-forming agent.

Abstract: A silver halide light-sensitive material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer comprising silver halide grains and a binder, at least about 50 wt % of said silver halide grains comprising a silver halide grain matrix having thereon from about 10 to 10,000 protrusions per square micrometer of grain matrix surface, said individual protrusions having an average projected area diameter of up to about 0.15 .mu.m, and a halogen composition of said protrusions differing from that of the grain matrix; said silver halide emulsion being chemically sensitized with at least one compound selected from the group consisting of a sulfur compound, a selenium compound, a reducing compound and a noble metal compound; and said silver halide emulsion being spectrally sensitized with a methine dye.

Abstract: A silver halide photographic material having good granularity, high sensitivity and excellent fixability, comprising a support and at least one photosensitive silver halide emulsion layer containing silver halide grains. The silver halide grains have an average iodine content of at least 3 mole %, and the photographic material further contains a polymer capable of providing a cation site in a fixing solution on the same side as the photosensitive layer.

Abstract: A silver halide color photographic material improved in image quality such as sharpness and graininess is disclosed. The silver halide color photographic material is comprises support having thereon photographic component layers comprising at least two silver halide emulsion layers, adjacently arranged to each other, having the same color sensitivity and different speed from each other. In this photographic material the highest speed layer among these emulsion layers contains a DIR compound capable of releasing a diffusible development inhibitor or a diffusible compound capable of releasing a development inhibitor, and the total thickness of the silver halide emulsion layers is within the range of from 1.5 .mu.m to 5 .mu.m, and the silver halide emulsion layers are allowed to have the interposition of a non-light-sensitive intermediate layer.

Abstract: A double coated radiographic element is disclosed comprised of a dye coated between an emulsion layer and a support to reduce crossover to less than 10 percent. The dye is present in the form of microcrystalline particles, yet is capable of being decolorized in less than 90 seconds during processing.

Abstract: Automatic processing equipment for photographic film, particularly radiographic black-and-white film, are required to handle different brands and constructions of film with the same processing chemistry. The Applicants have found that developer chemistry fluctuations seem to be very high when processing conventional films and newer, lower silver coating weight films. It has been found that the addition of an aqueous soluble, non-photosensitive bromide salt into radiographic film reduces the developer chemistry fluctuations.

Abstract: A color image forming process is described, which comprises developing an imagewise exposed silver halide color photographic material with a color developer containing an aromatic primary amine developing agent and being substantially free of benzyl alcohol for a period of up to about 2 minutes and 30 seconds, wherein the silver halide color photographic material comprises a reflective support having thereon a blue-sensitive silver halide emulsion layer containing a yellow color-forming coupler, a green-sensitive silver halide emulsion layer contaning a magenta color-forming coupler, and a red-sensitive silver halide emulsion layer containing a cyan color-forming coupler in this order, the material further containing light-insensitive hydrophilic colloid layers between the blue-sensitive silver halide emulsion layer and the green-sensitive silver halide emulsion layer and between the green-sensitive silver halide emulsion layer and the red-sensitive silver halide emulsion layer and at least one light-insensit

Abstract: A high sensitivity multilayer color photographic material is disclosed. The material is comprised of a support base having coated thereon red-sensitive, green-sensitive and blue-sensitive silver halide emulsion layers associated with non-diffusing image-forming couplers. The red-sensitive silver halide emulsion layer comprises an upper, an intermediate and a lower silver halide emulsion layer, sensitive to visible light in the same or substantially the same spectral wavelength range, with the sensitivity of the layers decreasing in order from the upper layer to the lower layer. The green-sensitive silver halide emulsion layer comprises an upper and a lower silver halide emulsion layer, sensitive to visible light in about the same spectral wavelength range, with the sensitivity of the layers decreasing in order from the upper layer to the lower layer.

Abstract: A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing monodispersed silver halide grains wherein at least 50% of the total projected area of the monodispersed silver halide grains are tabular silver halide grains which have an aspect ratio of not less than 5.The silver halide color photographic material has improved image sharpness, graininess and tone reproducibility.

Abstract: A silver halide photographic material is described, having at least one light-sensitive silver halide emulsion layer containing an iodine-containing silver halide on a support and having one or more auxiliary layers on the outermost surface of a light-sensitive silver halide emulsion layer positioned farthest from the support, wherein at least one of the auxiliary layers contains a substantially non-light-sensitive silver halide emulsion or a silver halide emulsion containing grains whose inner part or surface part is fogged, and the material contains at least one compound represented by formula (I) ##STR1## wherein R, X, Y, Z, and n are described in the specification.

Abstract: A color photographic recording material comprising at least one layer of which the primary sensitivity is blue, another layer of which the primary sensitivity is green and a further layer of which the primary sensitivity is red, gives satisfactory density graduations for details of high color saturation when a red sensitivity is produced in at least one layer, of which the primary sensitivity is green, and in at least one layer, of which the primary sensitivity is blue, the primary sensitivity being 8 to 25 DIN higher than the secondary sensitivity.

Abstract: A photographic material comprising at least one blue sensitive silver halide emulsion layer is disclosed. The silver density of the emulsion layer is not less than 4.0.times.10.sup.-1 g/cm.sup.3 and the dry thickness of the layer is not more than 4.0 .mu.m. A core/shell type silver halide emulsion and a high-speed reaction type scavenger for the oxidation products of a developing agent are preferably used for the emulsion layer. The photographic material has a high sensitivity and provides an image having a superior sharpness and resolution.

Abstract: An image forming process capable of providing photographic images having extremely high contrast and high resolution for use in photoengraving is disclosed, which comprises processing an image-wise exposed silver halide light-sensitive material having at least two silver halide emulsion layers on a support, one of said emulsion layers providing a contrasty gradation and the other of said emulsion layers providing a soft tone gradation, with a hydrazine contrast development system, a tetrazolium contrast development system or a lith development system, wherein the gamma (.gamma.) value of the portion having a density (D) from 0.3 to 1.5 on the characteristic curve obtained is less than 10 and the gamma (.gamma.) value of the portion having a density (D) from 1.5 to 3.0 is at least 10.

Abstract: A dye-forming electrothermographic element comprises an electrically activatable recording layer comprising (a) a reducing agent or reducing agent precursor capable of being activated by a Lewis base; (b) a cobalt(III) Lewis base complex; and (c) at least one of (i) a reducible dye-forming compound that has an oxidation state above that of the conjugate dye, (ii) a dye capable of changing its wavelength of absorption by reaction with a Lewis base, and (iii) a dye-forming coupler capable of reacting with the oxidized form of the reducing agent in (a) to form a dye. A negative or positive dye image is formed in such a dye-forming electrothermographic element by applying an electrical potential imagewise to the element of a magnitude and for a time sufficient to produce in the image areas a charge density sufficient to produce a latent image; and, then, heating the element to a temperature and for a time sufficient to form a dye image in the element.

Abstract: A silver halide photographic material is disclosed, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer and at least one substantially light-insensitive silver halide emulsion layer, wherein the substantially light-insensitive silver halide emulsion layer is present between a layer exhibiting the highest sensitivity among the light-sensitive silver halide emulsion layers and the support. This material is decreased in halation and cross-over light, and is excellent in sharpness.

Abstract: The present invention discloses multi-layered resist structures and methods of producing them which can be used in electronic device lithography to produce micrometer and submicrometer geometries.The resist structure comprises two or more layers at least one of which is a metallic material and at least one of which is a radiation-sensitive material. The metallic layer exhibits both a high atomic number and a high density. The metallic material is positioned relative to the radiation-sensitive polymeric material so that it can be used to control reflection and backscatter of radiation used to create a latent image within the radiation-sensitive polymeric material. The thickness of the metallic layer is determined by the amount of reflection desired and the amount of backscatter permitted into the layer of radiation-sensitive polymeric material.

Abstract: Improved printing with polymers is achieved by interposing a liquid layer conforming to rough substrate surfaces and possibly exhibiting different characteristics from an outer surface polymer layer. This is particularly advantageous in printed wiring board (PWB) manufacture requiring solder mask coating. Thus, a two layer composite polymer coating is provided. One inner adhesive photopolymer layer is applied to the PWB in the liquid state, displacing air from PWB surface. The outer layer of the composite therefore can be epoxy, dry film or liquid polymer. Dry film thus carried on a thin plastic sheet may be overlaminated onto a liquid inner layer already on the substrate, without the need for a vacuum laminator to eliminate bubbles or a plasticizing heat step to conform the dry film to the surface.

Abstract: A photographic light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer is disclosed, which contains in said silver halide emulsion layer two silver halide emulsions which are different from each other in mean grain size and which satisfy the conditions that:one of the silver halide emulsions, having a relatively larger mean grain size, has a mean grain size (X.sub.1) of 1.3 .mu.m or more;the mean grain size (X.sub.2) of the other silver halide emulsion, having a relatively smaller mean grain size, and X.sub.1 has a relation satisfying Formula (1)Formula (1): 0.5.ltoreq.X.sub.2 /X.sub.1 .ltoreq.0.9;the ratio of the standard deviation (S.sub.1) of the grain sizes of the silver halide emulsion having a relatively larger mean grain size to X.sub.1 satisfies the Formula (2)Formula (2): S.sub.1 /X.sub.1 .ltoreq.0.25;the ratio of the standard deviation (S.sub.2) of the grain sizes of the silver halide emulsion having a relatively smaller mean grain size to X.

Abstract: A dye-forming electrically activatable recording (EAR) element which is capable of forming at least two dye images comprises an electrically conductive support bearing on one side of the support at least a dye-forming layer (A) responsive to negative polarity charge exposure and at least one dye-forming layer (B) responsive to positive polarity charge exposure and, optionally, other dye-forming layers. A multicolor dye image can be formed in the dye-forming electrically activatable recording element by multistep imagewise charge exposure in which the exposure steps are reversed in electrical polarity at each step. The reversal of polarity of exposure at differing charge density levels enables formation of a dye image in at least one layer without formation of a dye image in another layer. Processing of the exposed dye-forming electrically activatable recording element is carried out by thermal processing or by means of processing solutions or baths.

Abstract: Process for preparing a photographic emulsion containing tabular silver halide grains which have narrow size distribution comprising:A. adding silver nitrate to a vessel containing dispersing medium/bromide mixture, initial bromide ion concentration is 0.08 to 0.25 N to form tabular seed grains;B. adding a basic silver halide solvent, e.g., ammonia, ammoniacal solution, etc. to achieve 0.02 N to 0.2 N of the solvent (e.g., after at least 2% by weight of total silver nitrate has been added);C. stopping silver nitrate addition for 0.5 to 60 minutes, e.g., bromide ion concentration is in the range of 0.005 to 0.05 N;D. neutralizing at least some of the basic silver halide solvent present; andE. adding additional silver nitrate and halide, i.e., Br.sup.- and BrI.sup.-, by balanced double jet procedure.The emulsions are used in photographic elements for x-ray, graphic arts, etc.

Abstract: A photographic material for the production of continuous tone silver images by the diffusion transfer reversal process using at least two independently prepared silver halide emulsions of different photo-sensitivity and having a silver halide composition as defined in the description, either in admixture in a single supported emulsion layer or coated on the same support as separate superposed emulsion layers.

Abstract: Disclosed herein are elements, including radiation-sensitive elements (e.g. color photographic paper products) which have, on a support, a substantially crystal- and agglomeration-free hydrophilic layer. This layer comprises a hydrophilic composition comprising a hydrophilic binder and water-insoluble polymer particles dispersed therein. These particles have recurring units derived from one or more ethylenically unsaturated polymerizable monomers, and comprise from about 0.5 to about 10 percent, based on total monomer weight, of a hydrophobe uniformly distributed throughout. Particularly useful polymer particles are those having recurring units derived from at least one monomer having a crosslinkable moiety. Particularly useful hydrophobes are optical brighteners. A method of making these elements is also disclosed herein.

Abstract: A silver halide photographic material having on a support at least one hydrophilic colloid layer and at least one silver halide emulsion layer containing tabular silver halide grains having a grain diameter of at least 5 times the thickness of the grains and at least one compound represented by general formula (I) ##STR1## wherein R.sup.1 represents a methyl group and R.sup.2 represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support having thereon a silver halide emulsion layer containing light-sensitive silver halide grains, at least 10% (in number) of said halide grains being tabular grains having a diameter/thickness ratio of not less than 5. The tabular grains include an iodine-containing silver halide solid solution in an interior portion thereof which is contained in areas covering, with regard to its major or minor axis direction, 80% by mole of the silver contained in the grain. Further, the tabular grains have an average iodine content in the internal high iodine phase which is five times that of the silver bromide, iodobromide or chloroiodobromide contained in the phase present outside of the internal high iodide phase. In addition, the silver contained in the internal high iodine phase is not more than 50% by mole of the total amount of silver in the tabular grains.

Abstract: A silver halide photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer and a surface protecting layer, said silver halide photographic light-sensitive material comprising photosensitive silver halide grains and internally fogged silver halide grains, said internally fogged silver halide grains having adsorbed thereon at least one compound represented by the formula (I): ##STR1## wherein X represents --O--, --NH-- or --S--, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen atom or a substituent, and at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is substituted or unsubstituted alkyl or aryl group having up to 13 carbon atoms, which is bonded directly or through a divalent linkage group, to the aromatic nucleus.

Abstract: A silver halide color photographic material comprising a support having thereon, in succession, a 1st silver halide photographic light-sensitive emulsion layer, a photographic auxiliary layer, and a 2nd silver halide photographic light-sensitive emulsion layer, or comprising a support having on one side thereof a 1st silver halide light-sensitive layer and on the other side thereof a photographic auxiliary layer and a 2nd silver halide photographic light-sensitive layer, the photographic auxiliary layer having a spectral reflectance of higher than 20% in a wavelength range of 410 nm to 700 nm and a spectral transmittance of higher than 5% in the same wavelength range. The invention provides a color photographic material giving recorded images, etc., capable of viewing by both reflected light and transmitted light.

Abstract: The present invention discloses multi-layered resist structures and methods of producing them which can be used in electronic device lithography to produce micrometer and submicrometer geometries.The resist structure comprises two or more layers at least one of which is a metallic material and at least one of which is a radiation-sensitive material. The metallic layer exhibits both a high atomic number and a high density. The metallic material is positioned relative to the radiation-sensitive polymeric material so that it can be used to control reflection and backscatter of radiation used to create a latent image within the radiation-sensitive polymeric material. The thickness of the metallic layer is determined by the amount of reflection desired and the amount of backscatter permitted into the layer of radiation-sensitive polymeric material.

Abstract: X-ray energy-difference images are obtained simultaneously by exposing a body to a broad energy spectrum x-ray beam while a radiographic film package is disposed between front and rear x-ray intensifying screens. The film package has two superimposed films with a light-opaque sheet between them. The front screen, on which the polyenergetic image beam emerging from the body is incident, is excited to luminescence by x-ray photons predominantly in one energy band and the rear screen is excited predominantly by photons in another band. The light opaque sheet preferably contains x-ray filter material for additional filtering of photons to increase the fraction of photons at said other band to which the rear screen is sensitive. A shadowgraph of a marker is formed on the film emulsions during x-ray exposure to aid in matching congruent picture elements on each film when the developed films are being read out to obtain signals corresponding to their intensities.

Abstract: Photographic elements particularly adapted for forming direct-positive images are disclosed in which a radiation-sensitive core-shell emulsion layer and a silver halide emulsion layer incapable of forming a surface latent image within the direct-positive exposure latitude of the first emulsion layer and containing a grain population capable of internally .Iadd.forming a latent image by internally .Iaddend.trapping photolytically generated electrons are both present. The photographic elements are capable of exhibiting increased covering power, greater maximum density, and increased speed.