Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing a magenta color image forming polymer coupler latex which is capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent and which is a polymer or copolymer having a repeating unit derived from a monomer represented by the following general formula (I) ##STR1## wherein R represents a hydrogen atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; and X represents a halogen atom, an acylamino group, a carbamoyl group, a sulfonamido group, a sulfamoyl group, a cyano group or an alkoxycarbonyl group and which is present at the 4-position or 5-position of the phenyl group.

Abstract: A color photographic light-sensitive material is described, said material comprising a support having coated thereon at least one silver halide emulsion layer containing a 5-pyrazolone magenta coupler represented by formula (I) ##EQU1## wherein R represents an acylamino group, an anilino group or a ureido group; Ar.sup.1 represents a phenyl group which may be substituted with one or more halogen groups, alkyl groups, or alkoxy groups; Ar.sup.2 represents a phenyl group or a naphthyl group, each of which may be substituted with one or more halogen groups, hydroxy groups, carboxy groups, cyano groups, alkyl groups, acylamino groups, carbamoyl groups, ureido groups, sulfonamido groups, diacylamino groups, sulfamoyl groups, alkoxycarbonyl groups, phenyl groups, arysulfonyl groups or alkoxy groups; X represents oxygen, sulfur, or a methylene group; and Y represents a straight chain or branched chain alkylene group having from 1 to 6 carbon atoms, or an alkylene group containing an ether bond.

Abstract: A process for forming a fluorescent screen, where polychroic patterns are successively formed from at least two kinds of phosphors having different color emission or black powder by means of a photosensitive substance capable of turning tacky by light irradiation, which comprises bringing a finer particulate filling material than particles of the phosphors in contact with tackified parts when or after the particles of the phosphors are applied to the tackified parts in the individual steps of forming patterns each of the individual phosphors. The filling material saturates the tackiness of the phosphor pattern in question in advance to formation of a phosphor pattern in the successive step, and a cause for contamination of the pattern of the preceding step with the phosphor of the successive step can be eliminated thereby.

Abstract: A photographic light-sensitive element comprising a support and having thereon at least one silver halide emulsion layer containing an .alpha.-diacylamino substituted (aliphatic acyl) acetamide yellow dye forming coupler and a method for forming yellow dye images which comprises processing a silver halide photographic emulsion with an aromatic primary amino developing agent in the presence of an .alpha.-diacylamino substituted (aliphatic acyl) acetamide compound are disclosed. The coupler is an excellent two-equivalent coupler.

Abstract: A composition for ultra-fine pattern formation comprising at least one of acrylic and/or vinyl ketone polymers as the major component and an effective amount of an aromatic azide compound and, in another embodiment, further comprising an effective amount of an organic compound having a vinyl group, and a process for ultra-fine pattern formation therewith. In the process, a required area of a film formed from the composition is irradiated with a corpuscular beam or with electromagnetic wave radiation. The aromatic azide compound or a mixture thereof with the aromatic compound having a vinyl group only in the unexposed areas is subjected to a deactivation treatment within the film, and the unexposed areas of the film are removed with a gas plasma to form an ultra-fine pattern. The composition is suitable for use in the ultra-fine pattern formation of a resist for transistors, integrated circuits (IC), large scale integrated circuits (LSI) or the like in the semiconductor industry.

Abstract: An X-ray mask including a pattern of X-ray absorbing material on a thin membrane is provided. The mask includes overlapping first and second patterns of X-ray absorbing material. This permits X-ray lithography printing of lines in complex patterns required for large scale integration. The X-ray mask can provide patterns of less than 20 A in thickness by X-ray irradiation.

Abstract: Couplers of good reactivity contain an aryloxy coupling-off group having in an ortho position a polarizable carbonyl, sulfonyl or phosphinyl substituent group which is free of photographic dye groups and photographic reagent groups.

Abstract: A silver halide photographic emulsion characterized in that it comprises silver halide grains which are reduction-sensitized during the process of growing said grains and containing a compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group and a cycloalkyl group and R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are selected from the group consisting of a hydrogen atom, a halogen atom, a hydroxy group, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkoxy group, an acyl group, a carboxyl group, an aldehyde group, an amino group, a sulfo group, an alkylthio group, an acylamino group, an aryloxy group, an arylthio group, an alkylamino group, an alkoxycabonyl group and a sulfonamide group. The emulsion exhibits both high sensitivity and improved stability as compared with prior art compositions.

Abstract: A multicolor solid image pickup element having bonding pat portions is prepared by an on-wafer method utilizing a silver halide photographic emulsion. A solvent permeating preventing layer is formed on a solid image pickup element base plate having an array of image elements. A silver halide emulsion layer is then formed in the layer, and the emulsion layer is removed at the portions corresponding to the bonding pat portions of the base plate. A micro color filter composed of two or more color separation filter elements is then formed in the emulsion layer by applying thereto a repeating pattern exposure, followed by color development. Each of the color filter elements corresponds to each image element, and a protective layer is formed on the whole surface of the base plate. The protective layer and the solvent permeation preventing layer are then successively removed at the portions corresponding to the bonding pat portions.

Abstract: A silver halide photosensitive material comprising a support, a silver halide photosensitive layer, and a protective layer formed on said support. The protective layer is essentially composed on a plurality of non-photosensitive hydrophilic colloidal layers at least one of which contains oil particles. The outermost layer of the hydrophilic colloidal layers contains a matting agent in the form of colloidal particles and has a thickness of not more than one fourth of the average size of the matting agent particles and wherein the density of the oil particles in said outermost layer does not exceed 0.2 by volume of the binder, and that of the oil particles in the protective layers other than the outermost layer is in the range of 0.1 to 0.8.

Abstract: A multicolor solid image pickup element base plate having bonding pat portions is produced by an on-wafer method utilizing a silver halide photographic emulsion. A solvent permeation preventing layer is formed on a solid image pickup element base plate having an array of a number of image elements. A silver halide emulsion layer is formed on that layer. A micro color filter composed of two or more color separation filter elements is then formed on the emulsion layer. The filter is formed by repeatedly applying a pattern exposure and color development onto the emulsion layer. A protective layer is formed over the entire surface of the base plate. The protective layer, silver halide emulsion layer, and solvent permeation preventing layer are then successively removed. Blackened silver portions may be formed in the emulsion layer at portions corresponding to bonding pat portions prior to the formation of the protective layer by applying thereto a pattern exposure followed by black and white development.

Abstract: Deposition of extraneous metal on the surface of an electroless or electrolytic plating resist is reduced by dispersing into the resist formulation fumed aluminum oxide microparticles.

Abstract: A yellow-dye-forming photographic developing composition having improved stability comprises a haloacetanilide coupler, such as alpha-pivalyl-alpha-(4-carboxyphenoxy)-2,4-dichloroacetanilide, an N-alkyl-N-alkoxyalkyl-p-phenylenediamine developing agent, such as 4-amino-N-ethyl-N-(2-methoxyethyl)-m-toluidine di-p-toluene sulfonate, and a 4,4-disubstituted-1-aryl-3-pyrazolidinone, such as 4,4-dimethyl-1-phenyl-3-pyrazolidinone.

Abstract: A photographic film including at least two elongated film strips of photosensitive material each divided into a sequence of longitudinally spaced frames and arranged in face-to-face superposed relation with the frames of the strips being longitudinally aligned, one of the film strips having certain of the frames free of photosensitive material whereby light from an image to be photographed is adapted to pass therethrough for registry on the adjacent strip with the strips being reeled on a single reel.

Abstract: A process for the production of a photographic color image by the silver dye bleach process, using a photographic material which comprises, on a base, at least one light-sensitive silver halide emulsion layer, which can contain a diffusion-resistant bleachable image dye, and immediately above this layer, on the side facing the light source, a silver halide-free layer containing a diffusion-resistant, bleachable image dye.The process gives very sharp photographic color images.

Abstract: A color-forming para-sulfonamidodiphenylamine dye precursor in a photographic material and process enables formation of a sulfonimide dye image by means of cross-oxidation without the need for a coupling reaction. The color-forming para-sulfonamidodiphenylamine dye precursor is useful in a photographic silver halide material for producing (i) a dye image, or (ii) a dye image and silver image. The exposed photographic material is processed to produce (a) a positive dye image, (b) a negative dye and negative silver image, (c) a negative dye image or (d) a positive dye image and a positive silver image.

Abstract: The present invention is directed towards a silver halide photographic material which has a reducing agent for silver halide or a precursor thereof and a compound M.sub.1 H.sub.m (PO.sub.n).sub.i.jH.sub.2 O which generates base when heat is applied. M is a metal from the Groups IA and IIA of the Periodic Table, 1 and i are individually integers from 1 to 3, m is an integer from 0 to 4, n is 3 or 4, and j is an integer from 0 to 12.

Abstract: A silver halide photographic light-sensitive material is described comprising a layer containing a coupler compound represented by formula (I)A--B (I)wherein A represents a residue of a compound capable of undergoing a coupling reaction with an oxidation product of an aromatic primary amine developing agent, by the removal of one hydrogen atom from the active position of said compound, and B represents a group which is released by the coupling reaction and exhibits a development accelerating function.

Abstract: A multilayer color reversal light-sensitive material is described, which can provide dye images having improved sharpness and graininess without a drop in color reproducibility, by employing a specific arrangement and construction of emulsion layers in its multi-layer structure, viz., a material comprising a support, a yellow filter layer, a group of green-sensitive emulsion layers, and a group of red-sensitive emulsion layers, wherein said emulsion layer groups are positioned nearer to the support than the yellow filter layer, each of the emulsion layer groups comprises at least two adjacent layers including a high-sensitivity silver halide emulsion layer containing silver halide grains having an average size of from 0.6.mu. to 2.0.mu. and a low-sensitivity silver halide emulsion layer containing silver halide grains having an average grain size of from 0.1.mu. to 0.5.mu.

Abstract: A silver halide color photographic light-sensitive material is described containing a magenta color image forming polymer coupler latex and at least one compound represented by the following general formula (I) ##STR1## wherein R represents an alkyl group; and R.sub.1 and R.sub.2 each represents a tertiary alkyl group and R.sub.1 and R.sub.2 may be the same or different. The disclosed silver halide color photographic light-sensitive material has good film strength, a reduced layer thickness and provides a stable magenta image having an improved sharpness and fastness to light while preventing the formation of yellow stain in non-image areas. A method of forming a color image using the silver halide color photographic light-sensitive material is also described.