Abstract: A method for forming a phosphor pattern on a panel of a cathode ray tube to prevent the peeling of a black matrix from the glass panel when treated with an inversion solvent which involves forming a protective film of a transparent photosensitive material on a glass panel on which a black matrix is formed and using the so-called outer surface exposure method to produce a color cathode ray tube having high definition.

Abstract: This invention relates to an image reproduction process, more particularly a color proofing process, which utilizes a peel-apart photosensitive element comprising a strippable coversheet, a photohardenable layer, an elastomeric layer, and a support, to produce a positive image of the transparency on the coversheet and a negative image of the transparency on the elastomeric layer.

Abstract: An image forming material comprising a support, a coloring material-containing organic polymer layer and a photosensitive resin layer in order in the form of a laminate, wherein the organic polymer of the organic polymer layer comprises a copolymer of an aralkyl (meth)acrylate and (meth)acrylic acid.

Abstract: A photo and heat sensitive recording medium has a front side coated with a layer of photo-curable composition which has photo-curability and heat fusibility in an uncured state. In an image recording method, the recording medium is exposed to light on the basis of image information, to photo-cure light-illuminated areas of the layer of photo-curable composition. Subsequently, the recording medium is superimposed upon a side of a subject being transferred. The superimposed recording medium and subject are heated to transfer an image corresponding to uncured areas on the recording medium, onto the side of the subject.

Abstract: There is disclosed an image forming method which comprises forming an image portion by exposing and developing an image forming material having a light-sensitive composition, and transferring only the image portion onto an image receiving material with the non-image portion of the image receiving material being exposed, wherein the light-sensitive composition contains:(1) at least one selected from:(a) o-quinonediazide compounds; and(b) compositions containing both of a photoacid generating agent and a compound having at least one bond decomposable with the acid; and(2) a polymeric compound having a structure unit represented by the following formula in the molecular structure:CH.sub.2 --CH(OCOR)--wherein R represents an alkyl group having 1 to 17 carbon atoms.

Abstract: A positive-working radiation-sensitive composition is described, which comprises a binder which is insoluble in water and soluble or swellable in organic solvents and in aqueous-alkaline solutions, a compound which forms a strong acid upon irradiation, and a compound of the general formula ##STR1## wherein R denotes an alkyl group which may be substituted andR.sub.1 and R.sub.2 are identical or different and denote alkyl groups containing 1 to 6 carbon atoms.The composition is suitable for use in the production of radiation-sensitive recording materials such as printing plates or photoresists and is characterized by increased flexibility and good overdevelopment resistance.

Abstract: Method of providing an image-bearing surface, e.g., a pre-press proof, with a protective covering, comprising laminating to said surface a thin, substantially transparent integral polymeric film, the improvement wherein the polymeric film consists essentially of a mixture of at least two slightly incompatible polymers, whereby the film exhibits a 20.degree. specular gloss that is at least 5% lower than the gloss of a film prepared from any one of said polymer constituents.

Abstract: This invention relates to positive working color proofing sheet construction which, upon exposure to an actinic radiation source through a screened image, can accuratley reprouce said image. The construction is useful as a color proofing film which can be employed to accurately predict the image quality from a lithographic printing process. The image is produced by forming a composite of a receiver base, diazo or diazide layer, photopolymerizable layer and cover sheet. Upon imagewise exposure, a positive image appears on the receiver base after dry peel apart development.

Abstract: A light-sensitive image forming method using a recording element which comprises a recording layer on a support is disclosed. The recording layer contains at least two active components of a photopolymerizable composition such as a polymerizable compound and a polymerization initiator, both of which are essential for a photopolymerization reaction. The components are separated from each other by the shell of microcapsules in such manner that at least one component is contained in the microcapsules which are dispersed in the recording layer and the other component is arranged outside of the microcapsule. The image forming method comprises the steps of: heating the recording element to form the photopolymerizable composition in the recording layer; and imagewise exposing to light the recording element to imagewise polymerize the photopolymerizable composition.

Abstract: A photosensitive composition resistant to short time scale reciprocity failure is disclosed. The composition comprises microcapsules having an internal phase containing an image forming agent; a photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and a photoinitiator; and a viscosity modifier for increasing the viscosity of said internal phase.

Abstract: Presensitized sheets for color proofing comprising a removable carrier sheet bearing a photosensitive medium sensitive to radiation within the wavelength band 325 to 700 nm and comprising photohardenable, photoadherent, photoinsolubilisable or photosolubilisable material, the sheet including a removable antihalation layer which is removed either when stripping the carrier sheet or during subsequent processing. The antihalation dyes may be positioned within a transparent carrier sheet, in a layer on the carrier sheet opposite to the photosensitive medium or in a layer positioned between the carrier sheet and light-sensitive medium.

Abstract: This invention relates to positive working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process.

Abstract: A positively working, tonable, photohardenable mixture, as well as image-forming material prepared therefrom are described, which as essential components, contains a binder or mixture of binders, a photohardenable compound, a photoinitiator or an initiator system and a multivalent metal compound to improve the toning properties of the material.

Abstract: This invention relates to a method for making a dry transfer, photopolymerizable positive-working imaging system which provides a photopolymerizable layer on a support and a colored layer on a substrate. Upon imagewise exposure of the photopolymerizable layer, subsequent lamination of the colored layer to the photopolymerized layer and peel apart, a colored image is produced due to the preferred adhesion of the colored layer to the nonexposed areas of the photopolymerized layer.

Abstract: Process for controlling the visual appearance of an image present on a permanent support in the form of a hydrophilic colloid layer, layer system or relief pattern by the transfer of a continuous non-photosensitive layer from a temporary support onto said permanent support either before or after said image is formed thereon, which comprise by pre-wetting the permanent support either image-free or with said image already thereon, containing the pre-wetted support with said continuous layer carried on the temporary support, and stripping off the temporary support to leave the continuous layer adhering on the permanent support, said continuous layer being non-photosensitive and contains hardened gelatin, the gelatin being applied at a coverage of at most 20 g/m2 and having a degree of hardening corresponding with that achieved by the addition of at least 0.001 g of formaldehyde per gram of gelatin.

Abstract: This invention relates to a process for preparing a reverse image using a pigmented peel-apart element containing a photoinhibitor. More particularly this invention relates to a process for preparing a negative or reverse surprint proof using peel-apart photosensitive elements comprising a strippable cover sheet; a photoadherent layer containing a colorant and a photoinhibitor compound; a tacky, essentially nonphotosensitive contiguous layer; and a support.

Abstract: Method of providing an image-bearing surface, e.g., a pre-press proof, with a protective covering, comprising laminating to said surface a thin, substantially transparent integral polymeric film, the improvement wherein the polymeric film consists essentially of a mixture of at least two slightly incompatible polymers, whereby the film exhibits a 20.degree. specular gloss that is at least 5% lower than the gloss of a film prepared from any one of said polymer constituents.

Abstract: This invention relates to water developable, negative working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process. The invention provides both overlay and transfer type proofing sheets which have good fingerprint resistance.

Abstract: An imaging sheet comprising a substrate having an open porous matrix and a photohardenable composition contained within said porous matrix; said imaging sheet being useful in a process wherein said sheet is image-wise exposed to actinic radiation and is subjected to pressure to cause said photohardenable composition to image-wise exude from said porous matrix to a receiver sheet is disclosed. Also disclosed is a process for forming an image by using the inventive imaging sheet, an imaging system including the inventive imaging sheet, and a process for forming a lithographic printing plate by using the inventive imaging sheet.

Abstract: This invention relates to positive working photopolymerizable sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to accurately predict the image quality from a lithographic printing process.

Abstract: A positively working, tonable, photohardenable mixture, as well as image-forming material prepared therefrom are described, which as essential components, contains a binder or mixture of binders, a photohardenable compound, a photoinitiator or an initiator system and a multivalent metal compound to improve the toning properties of the material.

Abstract: A positive-acting photosensitive proofing element is constructed with a thermal adhesive layer having a Tg between 45.degree. C. and 60.degree. C., said adhesive comprising a polymer or copolymer derived from an ethylenically unsaturated monomer and 0.5 to 40% by weight of a polyvinyl ether polymer as a flexibilizer.

Abstract: A method of obtaining a color proof in which color-separated images are successively exposed onto colored light-sensitive layers. The layers are all transferred to a printing paper. The exposures are performed through a mask having dots of predetermined density and diameter, depending on the type of printing paper. If the color-separated images are positive, the dots are transparent on a dark background. If the color-separated images are negative, the dots are dark on a transparent background and additional exposures are made without the mask.

Abstract: Particulate organic polymeric beads in the thermal adhesive layer of prepress color proofing elements prevents adhesive blocking without optical interference or reduction in adhesive performance.

Abstract: A color image printing apparatus prints one pixel by superposing a predetermined dots of three colors within a 3.times.3 dot matrix in accordance with a density of the pixel. The positions of the printed dots within the dot matrix are stored as a dot pattern for each color. One dot pattern is used for each of a plurality of densities included in one density range. The printing energy for each of the dots included in the dot pattern is controlled in accordance with the density level of the pixel. The dot pattern is different for each color and three dot patterns are stored for each color and for each density range. These three dot patterns are repeatedly used for every three pixels which are continuous in the horizontal direction. These three dot patterns have two or three texture directions. The texture direction other than the vertical direction is different for each color.

Abstract: A more efficient and versatile method for color and halftone reproduction of artwork utilizing a colorless formulation that can be incorporated into art materials. When a mildly acidic spray is applied to the artwork which contains the formulation, the formulation turns blue. The blue color allows reproduction of red and yellow in certain photographic systems and can also be used in halftone reproduction to preserve light colors during the exposure step to eliminate dots from the background areas.

Abstract: A liquid crystal display having display filter elements in registration with display electrodes. The filters are produced using color proofing films which are imaged to produce a regular pattern of dots. Filter elements are illuminated by electrodes selection to produce changeable images.

Abstract: Method and apparatus for detecting and correcting misregistration of color separation planes in a multicolor printing process include the functions of: (i) printing on a test sheet, with a first color printing subsystem, a first array of M parallel lines which are uniformly spaced N adjustment steps apart and (ii) printing on the same test sheet with a second color printing subsystem, a second array of M parallel lines, which are uniformly spaced N+1 adjustment steps apart and which are predeterminedly juxtaposed, with respect to the lines of the first line array, so that when registration is correct, base registration lines of the first and second arrays are aligned.Upon visually inspecting the alignment of marks on said first and second line series, the operator can effect automated position shifting of the second subsystems printout color plane in an amount and direction based on which juxtaposed mark pair of said two arrays are in best alignment.

Abstract: This invention relates to positive working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process. The element is composed of a substrate, colored photosensitive layer and adhesive layer. The adhesive layer contains an optical brightener compound which reduces residual yellow staining derived from the naphthoquinone diazide sensitizer.

Abstract: An improved process for preparing negative images from a photohardenable tonable element, wherein the unexposed photohardenable tonable element is tacky in a preselected temperature range, T.sub.1 -T.sub.2, in which temperature range the exposed photosensitive tonable element is nontacky but wherein the exposed element is retackifiable at elevated temperatures above T.sub.2. After imagewise exposure the unexposed areas have a colorless toning material applied to them at a temperature within the range T.sub.1 -T.sub.2 to make them nontacky at temperatures of at least up to T.sub.3, which is greater than T.sub.2. After heating to an elevated temperature above T.sub.2 but less than T.sub.3 the exposed areas have a contrasting toning material applied to them to give a negative or reverse image.

Abstract: Subbing layers on carrier elements for use with photopolymerizable, photosolubilizable, and photodepolymerizable compositions are advantageously comprised of polyureas and polybiuret polymer.

Abstract: Photopolymer positive surprint color proofing film based on epoxy acrylate monomer exhibits low dot gain, low time dependence of toning and good tonal range. Binder can be methylmethacrylate/ethyl acrylate/acrylic acid copolymer, preferably cross-linked with zinc ions and plasticized with a second acrylate monomer and a mixture of triacetin and trimethylol propane.

Abstract: A technique related to color filters to be arranged on the light-receiving surface of a color liquid crystal display device, color video camera, and the like. The color filter consists of a substrate (10) and a colored filter layer (12) formed thereon. The colored filter layer (12) comprises, for example, three groups of filter picture elements (14R, 14G, 14B) having spectral characteristics respectively corresponding to red, green and blue. Each group of filter picture elements are made of polyimide resin and dye contained therein. Further, each group of the filter picture elements (R, G, B) are arranged in direct contact with one surface of the substrate (10) without using any intermediate protecting film. The first group of filter picture elements patterned on one surface of the substrate (10) are subjected to heat treatment at a high temperature of about 250.degree. C., for example, to increase their resistance against the solvent.

Abstract: In producing a transfer print, a lacquer layer is deposited on a substrate and, in turn, a color layer, an adhesive layer, another lacquer layer, a talcum layer and a photo layer are placed on the lacquer layer. After a portion of the photo layer is exposed, the non-exposed areas of the photo layer and the other layers in register with the non-exposed areas are removed. After the exposed area of the photo layer is removed along with selected subjacent layers, the end product includes the substrate and the remaining areas of the lacquer area on the substrate, the color layer and the adhesive layer.

Abstract: A photosensitive material comprising a support having a layer of microcapsules on one surface thereof, said microcapsules containing a photocurable composition including a visible initiator dye, said dye directly or indirectly initiating polymerization of said photocurable composition upon exposure to actinic radiation and being essentially the only image-forming agent associated with said microcapsules.

Abstract: A color filter is formed on a support, such as a charge coupled device, by (a) forming a layer on a support with a composition comprising a positive photoresist and a dye; said dye being soluble in the solvent of said photoresist; (b) exposing predetermined portions of said layer to radiation adapted to increase the solubility of said coating in the exposed areas; (c) developing said exposed areas to form a pattern of filter elements; and (d) repeating said steps with a different color dye in said composition; wherein said dye constitutes in excess of 10% by weight, dry basis of said composition, is substantially non-absorptive in the exposure wavelength of said composition, and provides predetermined absorptive characteristics for the specified filter element and said dye possessing substantially the same polarity as said composition.

Abstract: The invention relates to a process for producing an image on a light-sensitive tonable layer comprising the steps of:(A) exposing the light-sensitive layer imagewise to produce imagewise tacky and complementary non-tacky areas;(B) bringing the imagewise-exposed layer into surface-to-surface contact with a supported non-photosensitive transfer layer containing at least one finely divided powder and/or a dissolved dye in a binder; and(C) separating the transfer layer from the light-sensitive layer, whereby the transfer layer adheres selectively to the imagewise tacky areas,the improvement wherein, the binder of the transfer layer consists essentially of(a) about 55-97 wt. % of at least one polymer in the form of a powder having a minimum film-forming temperature of above 50.degree. C., and(b) about 3-45 wt.

Abstract: A multi-color image forming material which is in the form of multiple layers on a support, and having, at least two photosensitive layers, the farthest layer from the support being the uppermost photosensitive layer, the photosensitive layers being formed from a water-soluble resin having photocrosslinking ability with diazo resin, a photosensitive water-soluble, organic solvent insoluble diazo resin, and a water dispersible coloring agent which can produce a color tone, each photosensitive layer having a coloring agent which can produce a different color tone; and at least one intermediate layer, each intermediate layer being positioned between each photosensitive layer and the next adjacent photosensitive layer, the intermediate layer being formed from a hydrophobic, water-resistant, organic solvent softenable resin.

Abstract: Process for production of photographic masks for tonal correction by dry dot etching comprising exposing a mask film, e.g., positive film, behind a film combination of half-tone positives and negatives that contains at least one pair of a positive and a negative of the same color separation, said pair being separated from one another by a spacer film, e.g., transparent, matt film, etc. The half-tone values at the points to be corrected are in the range of 30-70%.

Abstract: An optical recording method comprises the steps of:(A) irradiating a radiation corresponding to a recording information on an optical recording medium having a recording layer containing a diacetylene derivative and at least one selected from the group (hereinafter called the group B) consisting of azulenium salt compounds, pyrylium dyes, diene compounds, croconic methine dyes and polymethine compounds, thereby forming a latent image; and(B) irradiating a radiation on the recording medium having said latent image formed thereon to thereby visualizing said latent image.

Abstract: Upon imagewise exposure, a photopolymerizable composition which contains(a) a polymeric binder;(b) a compound that has at least one terminal ethylenic double bond and a boiling temperature, at standard pressure, of above 100.degree. C., and that can form a polymer by polymerization initiated by a free-radical process;(c) a photoinitiator;(d) a leuco base of a triarylmethane dye; and(e) a photochromic spiro-indolino-benzopyran compound represented by the formula ##STR1## wherein R denotes a hydrogen atom or a C.sub.1 -to-C.sub.16 alkyl group,R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different, and each denotes a hydrogen or a halogen atom, a C.sub.1 -to-C.sub.4 alkyl or alkoxy group, or a nitro group, andR.sup.5, R.sup.6, R.sup.7 and R.sup.8 are identical or different, and each denotes a hydrogen or a halogen atom, a nitro or an amino group, a C.sub.1 -to-C.sub.5 alkyl or alkoxy group, or a C.sub.6 -to-C.sub.

Abstract: This invention relates to a composition and method for enhancing the contrast of images of an underlying photolithographic layer. A photographic element, including a photoresist layer, is applied to a substrate. The photoresist layer contains a contrast-enhancing layer including at least one light-sensitive compound capable of producing acidic photoproducts upon exposure to actinic radiation, at least one indicator dye that changes color on exposure to acidic conditions and at least one polymeric binder soluble in water or weakly alkaline aqueous solutions. The photographic element is exposed to active radiation sufficient to cause photobleaching of the contrast enhancement layer and exposure of the photoresist layer. The photographic element is exposed to actinic radiation sufficient to cause photobleaching of the contrast enhancement layer and exposure of the photoresist layer.

Abstract: A process for producing a color filter having plural number of colorant layer patterns by repeating, for each of a plural number of starting materials for colorant layer, the steps of subjecting a substrate having a photoresist laminated thereon to pattern exposure to effect patterning of said photo-resist, laminating a colorant layer from said photoresist above and removing the layer of said photoresist having said colorant layer laminated thereon by dissolution to form a colorant layer pattern, comprises forming an alignment mark on said substrate with the same starting material as a first colorant layer pattern simultaneously with formation of said first colorant layer pattern and performing registration of the mask during formation of a second colorant layer pattern et seq. through said alignment mark.

Abstract: A dry transfer film and a method for preparing transfer characters therefrom in which the transfer film includes a carrier layer, a photosensitized color carrying layer disposed adjacent to the carrier layer and a photosensitized adhesive layer disposed adjacent to the color carrying layer. Both the color carrying and adhesive layers are photosensitive to certain respective wavelengths of the electromagnetic spectrum so that when exposed to such wavelengths, they become soluble in a respective solvent or solvents. The unexposed portions of these layers remain insoluble in such solvents.

Abstract: A developer for lithographic proof films is described. The developer composition contains a glycol acetate, a cyclic alkyl glycol, a surfactant and a cosolvent, all present in a water base. No nonaqueous component of the composition exceeds 30 weight percent of the composition. The compositions are nontoxic, nonflammable and have good odor characteristics while providing developer properties equal or superior to the high solvent content developers of the prior art. The developers may be used to develop both process color films and opaque films.

Abstract: Photographic images may be produced on a backing such as paper and polyester sheets, from photographic negatives which encompass line rendering, design comps, copy, complex color separation or the like with water-based varnishes and pigments, the resulting images closely resembling, if not exactly, the same image in its commercially printed form. Thus all aspects of color proofs produced by this invention provide greatly improved predictability as to the appearance of the final printed job, with a further improvement of cost savings over conventional techniques of preparing color proofs. Also, said proofing method can be used to provide a "transfer" so that one may transfer the colored image or images to a more suitable or required backing.

Abstract: An improved overlay proofing film comprising a substantially transparent polyester base film which is first coated on one or both sides with a non-light sensitive composition having a refractive index of about 1.6, said non-light sensitive composition consisting essentially of a copolymer of polymethyl methacrylate and methacrylic acid, said coated polyester base film having a second coating on either side thereon, said second coating comprising a light sensitive mixture of(a) a resinous binder;(b) a colorant; and(c) a light sensitive material.

Abstract: Subbing layers on carrier elements for use with photopolymerizable, photosolubilizable, and photodepolymerizable compositions are advantageously comprised of polyureas and polybiuret polymer.

Abstract: A method of forming an image on a substrate is described which comprises blending a desired coloring pigment, adding the coloring pigment to a water soluble photoresist, coating the substrate with the pigmented photoresist, exposing the photoresist to actinic radiation to harden the parts of the photoresist occupying the desired image area, and removing with a water based solvent the unexposed photoresist.

Abstract: A photosensitive element suitable for manufacture of an external nameplate comprises a substrate carrying a cured non-etchable background surface, an etchable curable polymeric layer that can be etched imagewise to provide an image viewable against a background, and a photosensitive layer. A nameplate or other sign is obtained by imagewise photoexposure of the photosensitive layer, developing the image to reveal the curable layer, etching the revealed curable layer imagewise, removing the residual photosensitive material and then baking the product.