Transfer Process With Uniform Heat Application And Element Therefor Patents (Class 430/254)
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Patent number: 11422463Abstract: A touch panel includes a substrate having a display area and a peripheral area. A peripheral circuit is disposed in the peripheral area. The peripheral circuit comprises at least one bonding pad made of a metal layer. A plurality of touch sensing electrodes is disposed in the display area. The plurality of touch sensing electrodes is made of a metal nanowire layer, a film layer disposed on the metal nanowire layer, and a negative-type photosensitive layer disposed on the film layer. The plurality of touch sensing electrodes is electrically connected to the peripheral circuit.Type: GrantFiled: September 15, 2020Date of Patent: August 23, 2022Assignee: TPK TOUCH SOLUTIONS INC.Inventors: Chao-Sung Li, Ho-Hsun Chi, Fang Fang, Zheng-Pang Huang, Chien-Hsien Yu, Chih-Min Chen, Shan-Yu Wu
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Patent number: 9291891Abstract: A method of controlling surface roughness of a flexographic printing element during thermal processing is provided. An imaged and exposed relief image printing element is thermally developed to remove the portions of at least one layer of photopolymer that are not crosslinked and cured by using a blotting material. The blotting material is separated from the at least one layer of photopolymer. Thereafter, a smooth material is inserted between the surface of the at least one layer of photopolymer and the blotting material, applying pressure and heat. In the alternative, after the relief image printing element is removed from the thermal processor, a polymeric film is laminated onto the relief image printing element using heat and pressure. The surface roughness of the relief image printing element is reduced, allowing for increased solid ink density on solid areas printed using the relief image printing element.Type: GrantFiled: November 15, 2013Date of Patent: March 22, 2016Inventors: Kyle P. Baldwin, Ryan W. Vest
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Patent number: 8697328Abstract: Disclosed herein is a film-type photodegradable transfer material, comprising: a support film; a resin protection layer; a photodegradable photoresist layer; and a cover film, wherein the resin protection layer has an adhesion force of 0.05 kgf or less. When the film-type photodegradable transfer material is used to form a fine circuit pattern, such as a printed circuit board or the like, the resolution of the pattern can be increased by minimizing the distance between a mask and a photosensitive resin layer at the time of exposure, and work can be performed in the form of a sheet or a roll to roll process can be applied to the work even when the support film has been removed before an exposure process.Type: GrantFiled: May 20, 2009Date of Patent: April 15, 2014Assignee: Kolon Industries, Inc.Inventors: Hee Wan Moon, Byeong Il Lee
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Patent number: 8085434Abstract: The appearance of a color print viewed under UV illumination is predicted using a target comprising color patches each printed using a known coverage of printer colorant(s). In one case, the target is illuminated using a UV light source and an electronic image of the target is captured using a digital camera or the like. In another case, a spectrophotometer is used both with and without a UV cutoff filter to measure the target. The captured image data or the spectrophotometric measurements are used to derive a UV printer characterization model that relates any arbitrary combination of printer colorants to a predicted UV color appearance value. Metameric colorant mixture pairs for visible light and UV light viewing can be determined using the UV model together with a conventional visible light printer characterization model. A visual matching task is used to determine a correction factor for the UV printer characterization model.Type: GrantFiled: March 21, 2008Date of Patent: December 27, 2011Assignee: Xerox CorporationInventors: Raja Bala, Yonghui Zhao
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Patent number: 8034540Abstract: A method of making a relief image on a flexographic print plate including imagewise exposing a mask including an imageable material disposed on a mask substrate to form an imaged mask having a mask image in the imageable material disposed on the mask substrate, the mask image including mask image areas each having a highlight value. The method further includes laminating the imaged mask to a front surface of a flexographic printing plate precursor, and exposing selected areas of the flexographic printing plate precursor to an imagewise addressable curing radiation via a back surface of the flexographic printing plate precursor based on the highlight values of corresponding mask image areas of the mask image.Type: GrantFiled: July 31, 2008Date of Patent: October 11, 2011Assignee: Eastman Kodak CompanyInventor: Gregory L. Zwadlo
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Patent number: 7662545Abstract: A method of making a microstructure includes selectively activating a portion of a surface of a silicon-containing elastomer, contacting the activated portion with a substance, and bonding the activated portion and the substance, such that the activated portion of the surface and the substance in contact with the activated portion are irreversibly attached. The selective activation may be accomplished by positioning a mask on the surface of the silicon-containing elastomer, and irradiating the exposed portion with UV radiation.Type: GrantFiled: October 14, 2004Date of Patent: February 16, 2010Assignee: The Board of Trustees of the University of IllinoisInventors: Ralph G. Nuzzo, William R. Childs, Michael J. Motala, Keon Jae Lee
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Patent number: 7491003Abstract: This invention pertains to a method and apparatus for thermally developing a photosensitive element. The photosensitive element includes a composition layer capable of being partially liquefied upon heating. Heating the layer causes one or more organic compounds in the layer to form a vapor. Oxidation of the vapor forms carbon dioxide and water vapor and reduces the need to manage waste streams containing the organic compounds.Type: GrantFiled: April 24, 2006Date of Patent: February 17, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Mark A. Hackler, James J. Grant, III, Bernard F. Hoff, Carmo Joseph Pereira, Wilford Shamlin, Thomas A. Simpson
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Patent number: 7358026Abstract: This invention relates to a method for thermally developing a photosensitive element to form a relief pattern. The method includes heating a composition layer of the element to cause a portion of the layer to liquefy and providing a development medium under tension to the element to absorb the liquefied composition. The development medium includes an absorbent material and a support, the combination of which minimizes stretch and distortion of the absorbent material and can impede the migration of the liquefied composition through the absorbent material.Type: GrantFiled: September 15, 2005Date of Patent: April 15, 2008Assignee: E. I. du Pont de Nemours and CompanyInventors: Dietmar Dudek, Mark A. Hackler, Robert A. McMillen, Allan Banke
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Patent number: 7348123Abstract: A flexographic printing plate is prepared from a photosensitive element having a photopolymerizable elastomeric layer with specific rheological properties. The element is imagewise exposed and thermally treated to form a relief structure suitable for flexographic printing.Type: GrantFiled: October 13, 2006Date of Patent: March 25, 2008Assignee: E.I. du Pont de Nemours and CompanyInventors: Christoph Mengel, Dietmar Dudek, Mark A Hackler, Anandkumar Ramakrishnan Kannurpatti
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Patent number: 7279254Abstract: The invention is directed to methods of making an article bearing a relief image using a removable film. First, an imageable film that contains at least a mask substrate and an imageable material is imagewise exposed to imaging radiation to form an imaged film. The imaged film is then transferred to an imageable article, such as a flexographic printing plate precursor. The resulting assembly is exposed to curing radiation resulting in exposed and unexposed areas of photosensitive material on the imageable article. Following exposure to curing radiation, the imaged film is then removed from the imageable article. The imageable article is then developed with a suitable developer to form a relief image. The imaged film may then be reused to make additional articles bearing the relief image.Type: GrantFiled: May 16, 2005Date of Patent: October 9, 2007Assignee: Eastman Kodak CompanyInventor: Gregory L. Zwadlo
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Patent number: 7202008Abstract: An improved apparatus and a method of using the apparatus to remove non-crosslinked photopolymer from an imaged and exposed surface of a relief image printing element. Included are means for supporting and rotating the printing element, means for softening and/or melting non-crosslinked photopolymer on the imaged and exposed surface of the printing element, and at least one thermal developing assembly. The thermal developing assembly includes means for supplying an absorbent material that is contactable with the printing element, and that is capable of removing at least a portion of the softened and/or melted non-crosslinked photopolymer, and means for causing the absorbent material to contact at least a portion of the printing element. The absorbent material is backed with an endless impression belt that is supported by a plurality of rollers.Type: GrantFiled: June 23, 2005Date of Patent: April 10, 2007Inventors: Albert Roshelli, Jr., Gary T. Markhart
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Patent number: 7141348Abstract: This invention discloses a releasable adhesion layer having good adhesion during high temperature fabrication process in the absence of light, and delaminating at a lower temperature in the presence of light. One embodiment of this invention is a film of polymer whose thermal decomposition temperature changes drastically upon photoexposure. These materials, prior to photoexposure, can withstand temperatures in the range of approximately 200° C. to 300° C. without decomposition, yet decompose at around 100° C. with photoexposure. The releasable adhesion layer can be used in a thermal transfer element, sandwiching a donor substrate and a transfer layer having a plurality of multicomponent transfer units. In the absence of light, the releasable adhesion layer can sustain high temperature processing of these multicomponent transfer units. By photoexposing according to a pattern, the photoexposed multicomponent transfer units can be selectively released at a low temperature to transfer to a receptor.Type: GrantFiled: May 23, 2003Date of Patent: November 28, 2006Assignee: Intelleflex CorporationInventors: James Sheats, Tue Nguyen
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Patent number: 6911294Abstract: A multicolor image forming material comprising: an image receiving sheet comprising an image receiving layer; and at least five heat transfer sheets different in color each comprising a substrate, a light-heat conversion layer and an image forming layer, each of the heat transfer sheets being adapted to be superposed on the image receiving sheet with the image forming layer facing the image receiving layer and irradiated with laser light to transfer the irradiated area of the image forming layer to the image receiving layer to record an image on the image receiving sheet, wherein the area of the recording has a size of 515 mm by 728 mm or larger, and at least one of the heat transfer sheets comprises titanium oxide as a colorant in the image forming layer thereof.Type: GrantFiled: August 29, 2003Date of Patent: June 28, 2005Assignee: Fuji Photo Film Co., Ltd.Inventor: Shinichi Yoshinari
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Process for making a flexographic printing plate and a photosensitive element for use in the process
Patent number: 6773859Abstract: The invention relates to a process for preparing a flexographic printing plate from a photosensitive element having a photopolymerizable layer and a thermally removable layer on the photopolymerizable layer. The process includes imagewise exposing the photosensitive element and thermally treating the exposed element to form a relief suitable for use in flexographic printing. The thermally removable layer can be transparent or opaque to actinic radiation. The invention also relates to a photosensitive element for use in this process. The photosensitive element includes a photopolymerizable layer and at least one thermally removable layer having a filler and a binder, wherein the binder is less than 49% by weight, based on the total weight of the binder and filler.Type: GrantFiled: February 27, 2002Date of Patent: August 10, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Roxy Ni Fan, Mark A. Hackler, Anandkumar R. Kannurpatti, Adrian Lungu, Bradley K. Taylor -
Publication number: 20040029033Abstract: An ink transfer sheet and method for using the same. The transfer sheet includes a backing layer, a release layer on the backing layer, and an ink receiving layer on the release layer. The ink receiving layer contains a quaternary ammonium salt thereon or impregnated therein. To use the transfer sheet, an ink containing an anionic coloring agent is applied to the ink receiving layer, preferably using thermal inkjet methods. Thereafter, the transfer sheet is positioned on a fabric substrate. Heat is applied to the sheet which causes the release layer and ink receiving layer to adhere to the substrate. The backing layer is then detached from the release layer leaving the release and ink receiving layers (with the printed image thereon) on the substrate. This process transfers the image to the fabric substrate, with the image being stabilized by interactions between the quaternary ammonium salt and anionic coloring agent.Type: ApplicationFiled: August 6, 2003Publication date: February 12, 2004Inventors: Melissa D. Boyd, Mark H. Kowaiski
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Publication number: 20040013966Abstract: An image is formed on a non-flexible sheet member by laying and tightly adhering an image transfer sheet having a photo-thermal conversion layer and an image forming layer onto the non-flexible sheet member, scanning the image transfer sheet from the back with laser spots so that only areas of the image forming layer affected by heat developed in the photo-thermal conversion layer correspondingly to a scanned pattern are fused to the non-flexible sheet member, and peeling the image transfer sheet from the non-flexible sheet member.Type: ApplicationFiled: June 24, 2002Publication date: January 22, 2004Inventor: Yoshiharu Sasaki
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Patent number: 6664020Abstract: A mass transfer imaging element comprising a substrate having a surface colourant layer containing a pigment to be imagewise transferred, wherein said colourant layer comprises a fluorocarbon additive in an amount to provide a fluorocarbon additive:pigment weight ratio of at least 1:20.Type: GrantFiled: June 13, 1995Date of Patent: December 16, 2003Assignee: 3M Innovative Properties CompanyInventors: David Warner, Ranjan Chhaganbhai Patel
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Publication number: 20030148196Abstract: The invention pertains to the field of fabrication of devices of various purposes, which use anisotropic films: polarizers, retarders, etc., as well as technology of obtaining coatings with anisotropy of electric conductivity, magnetic properties, thermal conduction and other physical properties.Type: ApplicationFiled: February 4, 2003Publication date: August 7, 2003Inventors: Pavel I. Lazarev, Natalya A. Ovchinnikova
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Publication number: 20010044067Abstract: A silver halide color photographic light-sensitive material comprising, a photographic structural layer coated on a support, which structural layer includes at least one photographic light-sensitive layer containing a light-sensitive silver halide, a compound that forms a dye by a coupling reaction with an oxidized product of a developing agent, and a binder, wherein at least one photographic light-sensitive layer of the light-sensitive material contains a silver halide emulsion comprising a tabular silver halide grain that has principal faces composed of (111) planes, an average equivalent circle diameter of at least 0.70 &mgr;m, and an average thickness of less than 0.20 &mgr;m, and the emulsion is chemically sensitized by a tellurium sensitizer.Type: ApplicationFiled: February 28, 2001Publication date: November 22, 2001Inventor: Tomoyuki Koide
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Patent number: 6261734Abstract: This invention relates to positive working, peel apart, 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. The method applies an adhesive to a temporary support and then laminates it to a receiver with removal of the temporary support. A photosensitive layer on a support is laminated to the adhesive, exposed, and peeled apart to form a positive image. Additional adhesive layers and photosensitive layers are similarly processed to provide a full color reproduction.Type: GrantFiled: June 1, 1995Date of Patent: July 17, 2001Assignee: AFGA CorporationInventor: Stephan J. W. Platzer
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Patent number: 6146792Abstract: Improved processes for laser thermal imaging and imaged laserable assemblages obtained using the improved processes of this invention are described. These improved processes operate effectively at high speeds and also afford high image densities and good durability of images present on receiver elements upon thermal imaging done in accordance with these improved processes. One application of the improved process provides a color filter element.Type: GrantFiled: January 13, 1999Date of Patent: November 14, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Graciela Beatriz Blanchet-Fincher, Curtis Robinson Fincher, Jr.
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Patent number: 6071669Abstract: An element containing, in order: a first strippable substrate; a substantially transparent, non-photosensitive, polymeric isolation layer having a coating weight of 10 to 150 mg/dm.sup.2 ; an essentially non-photosensitive, non-tacky organic layer having a coating weight of 25 to 200 mg/dm.sup.2 ; a pigmented photosensitive, preferably photopolymerizable layer; and a second different strippable substrate adjacent the photosensitive layer, wherein the photosensitive layer upon imagewise exposure to actinic radiation exhibits a lowered peel force relative to a system which does not have a polymeric isolation layer.Type: GrantFiled: August 19, 1999Date of Patent: June 6, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Harvey Walter Taylor, Jr., Gregory Charles Weed
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Patent number: 6007960Abstract: A process for producing a colored image by laminating a light-sensitive material comprising a temporary support film (i), a colored light-sensitive layer and a heat-activable adhesive layer onto an image-receiving material at elevated temperature and under pressure, subjecting the light-sensitive layer to imagewise exposure and developing by peeling off the support film, characterized in that the image-receiving material comprises a light-sensitive compound which, on irradiation, releases a gas which remains trapped in the image-receiving material in the form of gas bubbles. The advantage of the process is that, on irradiation under a halftone original, the size of the halftone dots in the coloured image produced on such an image-receiving material is optically reduced.Type: GrantFiled: April 16, 1997Date of Patent: December 28, 1999Assignee: Agfa-GevaertInventors: Karin Marz, Dieter Mohr, Dieter Bodenheimer, Manfred Hilger
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Patent number: 5972556Abstract: A (photo)thermographic material is provided, capable of being used to produce a lithographic printing plate, comprising a support, a hydrophobic thermosensitive layer and a hydrophilic surface adjoining the hydrophobic thermosensitive layer, the thermosensitive layer containing an ingredient A, for example a substantially light-insensitive organic silver salt, which upon negative or positive image-wise heating reacts with at least one other ingredient B, for example a reducing agent therefor, in thermal working relationship therewith, producing a moiety which changes the adhesion between the thermosensitive layer and an adjoining hydrophilic surface to an extent such that negative or positive image-wise separation of the hydrophobic thermosensitive layer from the adjoining hydrophilic surface is enabled.Type: GrantFiled: September 9, 1996Date of Patent: October 26, 1999Assignee: Agfa-Gevaert N.V.Inventor: Luc Leenders
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Patent number: 5945264Abstract: A silver halide color photographic light-sensitive material is disclosed, capable of forming an image by, after exposure of a light-sensitive material, supplying water corresponding to from 1/10 to 1 times the water necessary for giving maximum swelling of all coated layers of a light-sensitive material and a processing material to the light-sensitive material or the processing material, laminating these materials to each other and then heating them, the light-sensitive material comprising a support having thereon at least one photographic light-sensitive layer comprising a light-sensitive silver halide, a developing agent, a compound capable of forming a dye upon coupling reaction with an oxidation product of the developing agent and a binder, and the processing material comprising a support having thereon a processing layer containing a base and/or a base precursor, wherein at least two kinds of silver halide emulsions having spectral sensitivity in the same wavelength region and different in the average grType: GrantFiled: February 10, 1997Date of Patent: August 31, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Masahiro Asami, Kazuhiko Matsumoto, Toshiki Taguchi
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Method of imparting contrast enhancement properties to diffusing, depixelating or projection screens
Patent number: 5897980Abstract: In the manufacture of a screen suitable for use as a rear projection screen, a first layer (10) of a photopolymerisable monomer or oligomer which is tacky in its monomeric or oligomeric form and non-tacky in its polymerised form, is exposed to polymerising light, such as ultra-violet light, in a pattern comprising an array of spots of such light, and consequent selective polymerisation is allowed to take place in the first layer (10). There is then applied to the exposed surface of the first layer (10) a printing medium comprising an opaque pigment layer (28) on a supporting substrate (30) so that the pigment layer (28) contacts the exposed surface of the first layer (10) and sticks to the unpolymerised and therefore still tacky regions of the first layer (10), but not to the polymerised regions. The substrate (30) carrying the pigment layer (28) is then stripped from the first layer (10), leaving pigment (28) adhering only to the unpolymerised regions.Type: GrantFiled: July 11, 1996Date of Patent: April 27, 1999Assignees: Nashua Corporation, Nahsua Photo LimitedInventors: Nicholas John Phillips, Christopher A. Barnett, Robin Clabburn -
Patent number: 5858609Abstract: Disclosed are an image-forming material having a colored light-sensitive layer which may be divided into a colored layer and a light-sensitive layer on a transparent support, characterized in that a transparent support having an orientation angle in the range of -20.degree. to +20.degree. is selectively used, and a method for forming a transferred image using the same.Type: GrantFiled: April 22, 1997Date of Patent: January 12, 1999Assignees: Konica Corporation, Mitsubishi Chemical CorporationInventors: Yutaka Adachi, Kunio Shimizu, Tetsuya Masuda, Hideaki Mochizuki
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Patent number: 5811215Abstract: According to the present invention there is provided a method for preparing a hydrophilic surface of an aluminum lithographic base comprising the steps of roughening and anodizing a side of an aluminum foil and sealing said side of the aluminum foil with hot water within a temperature range from 70.degree. C. to 100.degree. C. for at least 5 seconds and rinsing said side of the aluminum foil with water characterized in that between said hot water treatment and said rinsing said side of the aluminum foil is treated with an aqueous silicate solution within a temperature range from 70.degree. C. to 100.degree. C. for at least 5 seconds.Type: GrantFiled: March 27, 1997Date of Patent: September 22, 1998Assignee: Agfa-Gevaert, N.V.Inventors: Marc Van Damme, Joan Vermeersch
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Patent number: 5792588Abstract: This invention relates to negative working color proofing 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. The image is produced by forming a composite of a receiver sheet, an adhesive layer, a color layer and cover sheet. Upon imagewise exposure, a negative image appears on the receiver base after dry peel apart development.Type: GrantFiled: May 21, 1996Date of Patent: August 11, 1998Assignee: Bayer CorporationInventors: Wojciech A. Wilczak, Stephan J. W. Platzer, David L. Siegfried
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Patent number: 5773560Abstract: The present invention discloses a silver halide color photographic light-sensitive material which comprises a first support having thereon at least one photographic light-sensitive layer comprising a light-sensitive silver halide emulsion, a developing agent, a compound capable of forming a dye upon coupling reaction with an oxidation product of the developing agent, a binder, and a mercaptoazole compound, and a color image forming method comprising imagewise exposing the above-described silver halide color photographic light-sensitive material, supplying water to the light-sensitive material or a processing material comprising a second support having thereon a base or a base precursor, in an amount ranging from 1/10 to the equivalent of an amount which is required for the maximum swelling of the all coated layers of these materials, placing the light-sensitive material and the processing material face to face, and heating the materials at a temperature of 60.degree. to 100.degree. C.Type: GrantFiled: July 25, 1997Date of Patent: June 30, 1998Assignee: Fuji Photo Film Co., Ltd.Inventor: Masahiro Asami
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Patent number: 5747217Abstract: The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain sublimable compounds. The invention is useful in the field of thermal transfer imaging for the production of various graphic arts media.Type: GrantFiled: April 3, 1996Date of Patent: May 5, 1998Assignee: Minnesota Mining And Manufacturing CompanyInventors: Krzysztof A. Zaklika, Stanley C. Busman, Gregory D. Cuny
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Patent number: 5725992Abstract: A photosensitive material for the production of color proofing films for multicolor printing, having(A) a transparent, flexible film support,(B) a photopolymerizable layer which contains(B1) a polymeric binder,(B2) a free-radical-polymerizable compound,(B3) a substituted bistrihalomethyl-s-triazine having an absorption maximum in the range from 300 to 380 nm and an absorbance of greater than 11,000 at the absorption maximum, and an absorbance of less than 1400 at 400 nm and above, as photoinitiator, and(B4) a dye or a colored pigment in a primary color of multicolor printing, and(C) a thermoplastic adhesive layer on the photo-sensitive layer.The material is processed by lamination onto an image-receiving material, exposure of the material and peeling apart of film support and image-receiving material, leaving the unexposed layer areas on the image-receiving material together with the adhesive layer. To produce a multicolored image, these steps are repeated with at least one further single-color sheet.Type: GrantFiled: February 19, 1993Date of Patent: March 10, 1998Assignee: Agfa-Gevaert AGInventors: Stephan J. W. Platzer, Wojciech A. Wilczak, Gerhard Buhr, Dieter Mohr
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Patent number: 5716710Abstract: A prepress color proof can be prepared using suitable donor elements and an intermediate receiver element that has a roughened outer image receiving layer so that the color image is transferred with high image resolution. The intermediate receiver element can also have a cushioning layer beneath the outer image receiving layer that reduces the tendency for entrapped dirt particles to form minus density spot defects. In addition, a unique carrier plate can be used to carry the donor and intermediate receiver elements through laminating equipment. This carrier plate has a thermoplastic adhesive layer with sufficient tackiness to prevent irreversible dimensional change during lamination.Type: GrantFiled: September 20, 1996Date of Patent: February 10, 1998Assignee: Eastman Kodak CompanyInventors: Richard Julius Kapusniak, Colin Carl Campbell, Lawrence Philip Pate, David Alan Niemeyer
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Patent number: 5705314Abstract: A prepress color proof can be prepared using suitable donor elements and an intermediate receiver element that has a roughened outer image receiving layer so that the color image is transferred with high image resolution. The intermediate receiver element can also have a cushioning layer beneath the outer image receiving layer that reduces the tendency for entrapped dirt particles to form minus density spot defects. In addition, a unique carrier plate can be used to carry the donor and intermediate receiver elements through laminating equipment. This carrier plate has a thermoplastic adhesive layer with sufficient tackiness to prevent irreversible dimensional change during lamination.Type: GrantFiled: September 20, 1996Date of Patent: January 6, 1998Assignee: Eastman Kodak CompanyInventors: Richard Julius Kapusniak, Colin Carl Campbell, Lawrence Philip Pate, David Alan Niemeyer
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Patent number: 5698363Abstract: An image forming method is disclosed.Type: GrantFiled: July 8, 1996Date of Patent: December 16, 1997Assignee: Konica CorporationInventors: Ai Katsuda, Hiroshi Watanabe, Tomonori Kawamura, Toshihisa Takeyama, Kunihiro Koshizuka
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Patent number: 5691098Abstract: The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain diazo compounds. The diazo compounds contain functional groups adjacent the diazo substituent capable of stabilizing these compounds. The invention is useful in the field of thermal transfer imaging for the production of various graphic arts media.Type: GrantFiled: April 3, 1996Date of Patent: November 25, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Stanley C. Busman, Gregory D. Cuny, Krzysztof A. Zaklika, Richard J. Ellis
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Patent number: 5691106Abstract: A photosensitive material useful for the production of lithographic printing plates, which contains (a) a support suitable for lithographic printing plates, (b) a hydrophilic layer which contains a crosslinkable organic polymer or is a layer formed by crosslinking such a polymer, (c) a photopolymerizable layer and (d) a transparent cover film, the adhesion of the photopolymerizable layer (c) to the hydrophilic layer (b) and/or to the cover film (d) being changed by exposure. The material permits the production of lithographic printing plates having high printing performance without the use of liquid processing agents.Type: GrantFiled: October 5, 1994Date of Patent: November 25, 1997Assignee: AGFA-Gevaert AGInventor: Willi-Kurt Gries
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Patent number: 5688629Abstract: A photosensitive material useful for the production of lithographic printing plates, which contains (a) a support suitable for lithographic printing plates, (b) a hydrophilic layer which contains a crosslinkable organic polymer or is a layer formed by crosslinking such a polymer, (c) a photopolymerizable layer and (d) a transparent cover film, the adhesion of the photopolymerizable layer (c) to the hydrophilic layer (b) and/or to the cover film (d) being changed by exposure. The material permits the production of lithographic printing plates having high printing performance without the use of liquid processing agents.Type: GrantFiled: May 11, 1995Date of Patent: November 18, 1997Assignee: Agfa-Gevaert AGInventor: Willi-Kurt Gries
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Patent number: 5686221Abstract: A negative-acting color proofing method provides a photosensitive element having a cover sheet; release layer having a polymer with phenolic groups; color layer having a binder, polymerizable monomer, colorant, and optional photoinitiator; a photoadhering layer, having a photosensitive polymer having unsaturated, photocrosslinkable groups and a molecular weight greater than about 3,000, a polymerizable monomer having at least one unsaturated group, and an optional photoinitiator. A at least one of the color layer and the photoadhering layer has a photoinitiator; and a first thermoplastic adhesive layer. A photomask is applied onto the thermoplastic adhesive layer and one imagewise exposes the color layer and photoadhering layers to actinic radiation through the photomask. After removing the photomask, the photosensitive element is laminated to a temporary receiver.Type: GrantFiled: December 27, 1995Date of Patent: November 11, 1997Assignee: Bayer CorporationInventor: Gabor I. Koletar
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Patent number: 5683852Abstract: A light-sensitive material for producing color-test films for multi-color printing is disclosed. The material has (A) a transparent flexible base film of a plastic, (B) a photopolymerizable layer containing (B1) a polymeric binder, (B2) a compound polymerizable by a free-radical mechanism, (B3) a compound capable of initiating the polymerization of (B2) under the action of actinic light, and (B4) a dye or a colored pigment in one of the basic colors of multi-color printing, and (C) a thermoplastic adhesion layer on the light-sensitive layer is described. A polymer of a vinyl alkyl ether is present in at least one of the layers (B) and (C). The material is processed by lamination to an image-receiving material, with subsequent exposure and peeling-apart of base film and image-receiving material. The unexposed layer areas remain together with the adhesion layer on the image-receiving material. These steps are repeated with at least one further part-color image.Type: GrantFiled: January 29, 1996Date of Patent: November 4, 1997Assignee: Agfa-Gevaert AGInventors: Karin Maerz, Stephan J. W. Platzer
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Patent number: 5681683Abstract: The present invention provides an imaging element comprising on a hydrophilic base a hydrophobic photopolymerizable composition capable of being irradiated with actinic light through the support and/or through the front and containing a photopolymerizable composition characterized in that a water-swellable barrier layer comprising at least one non-proteinic water-soluble film-forming polymer is located between said hydrophilic base and said hydrophobic photopolymerizable composition, contiguous to the hydrophilic base and is coated at a ratio of 0.01 to 2.0 g/m2, said water-swellable barrier layer being capable of being peeled off of said hydrophilic base by dry development.Type: GrantFiled: November 22, 1995Date of Patent: October 28, 1997Assignee: Agfa-Gevaert, N.V.Inventors: Eddie Daems, Joan Vermeersch, Marc Van Damme, Luc Leenders, Thomas Nouwen, Hendrik Kokelenberg
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Patent number: 5660968Abstract: In the present invention, one produces a negative-acting color proofing element comprising, sequentially: a strippable cover sheet which is transparent to actinic radiation; a crosslinked layer containing a polymer having phenolic groups; a color layer, containing a colorant, a polymeric binder, a polymerizable monomer and, optionally, a photoinitiator; a photoadhering layer, containing a linear photosensitive polymer containing ethylenically unsaturated, free-radical polymerizable groups and having a weight average molecular weight greater than 3,000, a polymerizable monomer, and, optionally, a free radical photoinitiator, a thermoplastic adhesive layer; and a receiver sheet, at least one of the color layer and the photoadhering layer containing a photoinitiator, which is brightener.Type: GrantFiled: May 5, 1995Date of Patent: August 26, 1997Assignee: Bayer CorporationInventors: Wojciech A. Wilczak, Gabor I. Koletar
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Patent number: 5633116Abstract: A prepress color proof can be prepared using suitable donor elements and an intermediate receiver element that has a roughened outer image receiving layer so that the color image is transferred with high image resolution. The intermediate receiver element can also have a cushioning layer beneath the outer image receiving layer that reduces the tendency for entrapped dirt particles to form minus density spot defects. In addition, a unique carrier plate can be used to carry the donor and intermediate receiver elements through laminating equipment. This carrier plate has a thermoplastic adhesive layer with sufficient tackiness to prevent irreversible dimensional change during lamination.Type: GrantFiled: February 8, 1996Date of Patent: May 27, 1997Assignee: Eastman Kokak CompanyInventors: Richard J. Kapusniak, Colin C. Campbell, Lawrence P. Pate, David A. Niemeyer
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Patent number: 5627009Abstract: The invention relates to a photosensitive material for the production of color proofing films for multicolor printing comprising:A) a transparent, flexible film support,B) a photopolymerizable layer containing:B1) a polymeric binder,B2) a free radical-polymerizable compound,B3) a compound which is capable of initiating the polymerization of (B2) on exposure to actinic light, andB4) a dye or colored pigment in a primary color of multicolor printing, andC) a thermoplastic adhesive layer on the photosensitive layer,which contains at least about 1.5% by weight of a water-soluble, colorless, low-molecular-weight salt whose aqueous solution is not highly acidic.The material is processed by lamination onto an image-receiving material, exposure and peeling apart of the film support and the image-receiving material, the unexposed areas of the layer and the adhesive layer remaining on the image-receiving material.Type: GrantFiled: September 26, 1995Date of Patent: May 6, 1997Assignee: Agfa-Gevaert AGInventors: Karin Maerz, Ine Gramm, Manfred Hilger, Dieter Mohr, Stephan J. W. Platzer
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Patent number: 5607813Abstract: The present invention provides an imaging element comprising on a support a photosensitive layer containing a photopolymerizable composition containing a urethane type monomer mixture according to the formula (I) as defined in the claims and description. There is further provided a method for obtaining images and/or a lithographic printing plate therewith.Type: GrantFiled: May 30, 1995Date of Patent: March 4, 1997Assignee: Agfa-Gevaert, N.V.Inventors: Herman J. Uytterhoeven, Michael M uller, Wolfgang Podszun, Marc I. Van Damme, Hans-Josef Laas
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Patent number: 5599616Abstract: A peel-developable imaging medium for the imagewise recordation of information is provided, the imaging medium having therein a plurality of fracturable layers, the plurality comprising a porous or particulate image-forming layer and a release layer, and at least one of the fracturable layers having incorporated therein a boric ion generating species. In particular embodiments, the fracturable layers contain crosslinked borated polymeric binder. The laminar imaging medium is characterized by good imaging performance in an extended range of environmental conditions.Type: GrantFiled: November 30, 1994Date of Patent: February 4, 1997Assignee: Polaroid CorporationInventor: Jonathan M. Mack
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Patent number: 5563017Abstract: Image forming method is disclosed using a light-sensitive material which comprises a support and a light-sensitive layer provided thereon. The light-sensitive layer contains silver halide, a reducing agent and an ethylenically unsaturated polymerizable compound. The light-sensitive material of the present invention further contains a polymerization inhibitor releasing (PIR) compound. The polymerization inhibitor releasing compound has a function of releasing a polymerization inhibitor when the compound is heated or reacted with a base. The silver halide, the reducing agent, the polymerizable compound and the polymerization inhibitor releasing compound are preferably contained in microcapsules which are dispersed in the light-sensitive layer.Type: GrantFiled: January 10, 1994Date of Patent: October 8, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshiharu Yabuki, Makoto Yamada
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Patent number: 5560979Abstract: A binary image comprising a plurality of first areas, at which a porous or particulate image-forming substance is adhered to a substrate, and a plurality of second areas, at which the substrate is free from the image-forming substance, is protected by laminating thereto a laminating sheet comprising a durable layer and a support layer with the durable layer facing the image, so that the durable layer adheres to both the first and second areas of the image. The support layer is then displaced away from the image such that the durable layer remains attached to the image. The durable layer is substantially transparent and comprises a polymeric organic material having incorporated therein a siloxane, the siloxane being incorporated into the polymeric material in such a manner that it is not removed therefrom by hexane, isopropanol or water.Type: GrantFiled: October 20, 1995Date of Patent: October 1, 1996Assignee: Polaroid CorporationInventors: Iris B. K. Bloom, Agota F. Fehervari, Russell A. Gaudiana, Richard A. Minns, Howard G. Schild
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Patent number: 5552259Abstract: A laminar thermal imaging medium is prepared from a first element comprising a first sheet transparent to image-forming radiation and having at least a surface zone or layer of polymeric material heat-activatable upon subjection of the thermal imaging medium to brief and intense radiation, the first element carrying a layer of porous or particulate image-forming substance having cohesivity in excess of its adhesivity for the polymeric heat-activatable layer, and, on the opposed side of the layer of porous or particulate image-forming substance from the surface zone or layer, a first layer of adhesive, and a second element comprising a second sheet carrying a second layer of adhesive. The second layer of adhesive comprises a polymeric hardenable adhesive comprising a macromolecular organic binder having acidic groups, and a photopolymerizable monomer.Type: GrantFiled: September 23, 1993Date of Patent: September 3, 1996Assignee: Polaroid CorporationInventors: Iris B. K. Bloom, Richard A. Minns, Cynthia L. Zahka
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Patent number: 5545506Abstract: This invention relates to negative working color proofing 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. The image is produced by forming a composite of a receiver sheet, an adhesive layer, a color layer and cover sheet. Upon imagewise exposure, a negative image appears on the receiver base after dry peel apart development.Type: GrantFiled: June 24, 1992Date of Patent: August 13, 1996Assignee: Hoechst Celanese CorporationInventors: Wojciech A. Wilczak, Stephan J. W. Platzer, David L. Siegfried