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Radiation Imagery Chemistry: Process, Composition, Or Product Thereof > Holographic Process, Composition, Or Product Holographic Process, Composition, Or ProductHolographic Process, Composition, Or Product patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/07/07 - 20070128523 - Optical refractive index-modifying polymer composition, hologram recording material and method of controlling refractive index as an essential component and contains a remaining radical-polymerizable side-chain vinyl group in the molecule, wherein the composition comprises a thermally curable polymer (B) in an amount of 5 to 60 parts by weight per 100 parts by weight of the polymer (A). ... 05/24/07 - 20070117027 - Hologram-recording material, hologram-recording medium, and hologram-recording method A hologram-recording material, including a photoresponsive molecule, a reactive molecule having an intrinsic birefringence, and a photopolymerization initiator that accelerates polymerization and/or crosslinking of the reactive molecule having an intrinsic birefringence, a content of the photopolymerization initiator being in a range of less than about 0.1 wt % relative to ... 05/17/07 - 20070111108 - Hologram recording material and hologram recording medium The present invention provides a hologram recording material which attains high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage, and high multiplicity, and is suitable for volume hologram recording. Also, the present invention provides a hologram recording medium. A hologram recording material comprising: an organometallic ... 05/17/07 - 20070111107 - Hologram recording material, and hologram recording medium The present invention provides a hologram recording material which attains high refractive index change flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage, and high multiplicity, and is suitable for volume hologram recording. Also, the present invention provides a hologram recording medium. A hologram recording material comprising: an organometallic ... 04/05/07 - 20070077498 - Optical recording composition, optical recording medium and production method thereof, optical recording method and optical recording apparatus Provided are optical recording compositions that bring about optical recording media capable of multiple-recording interference images formed by an informing light and a reference light with higher sensitivity, the methods for producing the same, and optical recording methods and optical recording apparatuses that utilize the optical recording media. The optical ... 03/29/07 - 20070072089 - Holographic recording medium A holographic recording medium has a recording layer, the recording layer including a matrix material, a polymerizable monomer having at least one ethylenic unsaturated bond, a photo-iniferter, and a photoinitiator. ... 03/29/07 - 20070072088 - Composition for hologram recording media, hologram recording medium and method for producing the same, hologram recording method and hologram reproducing method The objects of the present invention are to provide a composition for hologram recording media that can produce high-quality hologram recording media efficiently with less time-consuming and without being affected by moisture, to provide volume-type hologram recording media that are adapted to high-density recording, to provide a method for producing ... 02/22/07 - 20070042275 - Composition for optical recording, optical recording medium, and production method thereof The invention relates to a composition for optical recording including: a matrix polymer formed by mixing an epoxide compound and a curing agent; a polymerizable monomer having an unsaturated carbon bond; and a photopolymerization initiator, wherein the curing agent includes at least one selected from a carboxylic acid, a carboxylic ... 02/15/07 - 20070037065 - Seamless holographic embossing substrate produced by laser ablation Laser ablation to direct write dot matrix holographic patterns onto the surface of polymeric coatings deposited on an embossing cylinder is described. The desired holographic pattern is ablated by interfering at least two laser beams directly onto the polymeric coating of the embossing cylinder in the pixel-by-pixel manner. The direct ... 02/01/07 - 20070026319 - Optical information recording media and method for manufacturing them An optical information recording medium having a holographic recording layer between a first substrate and a second substrate in which optical information is holographically recorded and a method for manufacturing the recording medium are described. The recording medium comprises a disk-shaped recording sheet having a spindle hole which comprises a ... 01/25/07 - 20070020530 - Methods of producing diffractive structures in security documents Various methods of producing a security document or article including a diffractive optical microstructure are disclosed. One method includes applying an opacifying layer (102) to at least one surface of a transparent substrate (100). An area of the opacifying layer (102) is exposed to laser radiation (108) to ablate apertures ... 01/11/07 - 20070009807 - Volume hologram photosensitive composition This invention provides a volume hologram photosensitive composition, which can realize a hologram having an excellent brightness and, at the same time, having excellent heat resistance and mechanical strength, and a photosensitive medium for volume hologram recording using the volume hologram photosensitive composition. The volume hologram photosensitive composition comprises at ... 12/28/06 - 20060292453 - Hologram recording sheet, holographic optical element using said sheet, and its production process The hologram recording sheet according to the invention is made up of a base film and hologram sensitive materials sensitive to different wavelength regions formed therein in a desired pattern, or a film and at least two hologram recording sensitive materials sensitive to different wavelength regions laminated on the film ... 12/14/06 - 20060281013 - System for copy protection of an information carrier The present invention relates to a system for copy protection of an information carrier, said system comprising a diffractive layer for delivering a speckle pattern when illuminated by a light source, a spatial filter, which is aligned with respect to the diffractive layer, for delivering a filtered optical signal from ... 12/07/06 - 20060275671 - Volume hologram transfer foil, and volume hologram multilayer structure The invention provides (1) a volume hologram transfer foil comprising a substrate and protective layer, a volume hologram layer and a heat seal layer stacked on the substrate in this order, wherein a multilayer structure comprising the protective layer, the volume hologram layer and the heat seal layer in this ... 12/07/06 - 20060275670 - Post-curing of holographic media The present invention relates to embodiments of a process for subjecting a holographic storage medium to illuminative treatment to: (1) enhance or optimize recording of holographic data; (2) enhance or optimize reading of recorded holographic data; and/or (3) erase recorded holographic data. The present invention also relates to embodiments of ... 12/07/06 - 20060275669 - Composition and a process for the preparation of coloured holograms A process of producing a coloured hologram is provided. The process comprises preparing a lacquer composition comprising a UV/EB-hardening acrylic resin and at least one pigment, said resin providing instant hardening upon irradiation; applying said lacquer composition to selected areas of a flexible support by means of a rotary printing ... 11/16/06 - 20060257748 - Optical recording medium and optical recording apparatus There is provided an optical recording medium comprising a recording layer containing a charge-generating material capable of generating a first electric charge and a second electric charge by beam irradiation, the second electric charge having a different polarity from that of the first electric charge, a charge-transport material enabling at ... 11/16/06 - 20060257747 - Optical information recording media, method for manufacturing them, and method for recording/reproducing optical information An optical information recording medium is manufactured by forming a retention recess having a specified depth by one of top and bottom substrates and spacers secured thereto, filling and curing the retention recess with a holographic recording material in the retention recess to form a holographic recording layer having a ... 10/19/06 - 20060234133 - Optical information recording media, method for manufacturing the same and method for recording/reproducing optical information An optical information recording medium has inner and outer spacers at least one of which is formed as an integral part of either one of the top and bottom substrates for defining a cell between the top and bottom substrates by bonding the top and bottom substrates through the spacers ... 10/19/06 - 20060234132 - Holographic sensors and their production A sensor comprising a medium and, disposed throughout the volume thereof, a holographic element whose fringes are defined by different degrees of swellability in a liquid. ... 10/05/06 - 20060222960 - Hologram recording sheet, holographic optical element using said sheet, and its production process The hologram recording sheet according to the invention is made up of a base film and hologram sensitive materials sensitive to different wavelength regions formed therein in a desired pattern, or a film and at least two hologram recording sensitive materials sensitive to different wavelength regions laminated on the film ... 09/07/06 - 20060199081 - Holographic storage medium, article and method Disclosed are a holographic storage medium, a method for producing a holographic storage medium, a method for storing data on a holographic storage medium, and an optical reading method. The holographic storage medium comprises an dimensionally stable film that is formed by partially curing a mixture, wherein said mixture comprises ... 08/31/06 - 20060194122 - Hologram recording material and optical recording medium A hologram recording material is provided and has: an optical refractive index-modulating component; and a curable polymer. The optical refractive index-modulating component performs at least one of: (1) a color development reaction; (2) a color development reaction amplified by a self-sensitization with a coloring material of a latent image; (3) ... 08/31/06 - 20060194121 - Hologram recording material, hologram recording method A hologram recording material is provided and has at least a silver halide, an organic refractive index-modulating agent, and a binder is provided. The silver halide undergoes sensitization in accordance with interference fringes caused by holographic exposure, to thus form a latent image. Thereafter the silver halide is subjected to ... 08/31/06 - 20060194120 - Holographic recording medium with control of photopolymerization and dark reactions The present invention relates to a system, as well as articles and holographic recording medium comprising the system, where the system comprises: a polymerizable component comprising at least one photoactive polymerizable material; and a photoinitiator component comprising at least one photoinitiator for causing the polymerizable component to polymerize to thereby ... 08/24/06 - 20060188790 - Hologram recording material, hologram recording method, and optical recording medium A hologram recording material is provided and has: a sensitizing dye absorbing light upon hologram exposure to generate an excited state thereof, and an interference fringes-recording component capable of causing color development reaction or discoloration by an electron or energy transfer (movement) form the excited state to record interference fringes ... 08/24/06 - 20060188789 - Hologram recording material, hologram recording method, optical recording medium, and dye therefor A hologram recording material is provided and has: a sensitizing dye represented by formula specified in the specification, capable of absorbing hologram recording light to generate an exited state thereof and discoloring itself when irradiated with light after hologram recording; and an interference fringe-recording component capable of undergoing electron or ... 08/03/06 - 20060172203 - Hologram recording material, process for producing the same and hologram recording medium wherein RH represents the halogen-containing organic group, R represents an alkyl group, M represents a metal atom, m represents 1 or 2, and m+n represents the valence of the metal atom M. ... 07/27/06 - 20060166104 - Equipment and method of manufacturing a holographic recording medium and precursors thereof A laminated holographic recording medium having (a) a first substrate having a through-hole and (b) a solid polymer matrix layer that records holographic data laminated to the first substrate and a method of manufacturing thereof are disclosed. The method of manufacturing preferably requires injecting a precursor material through the through-hole ... 07/06/06 - 20060147811 - Method and apparatus for writing grating structures using controlled phase delay between beams A method of writing a grating structure with at least one of predetermined amplitude, period and phase properties in a photosensitive waveguide, the method comprising providing at least two light beams which overlap in an overlap region to form an interference pattern; moving the photosensitive waveguide through the overlap region; ... 07/06/06 - 20060147810 - Holographic optical elements, devices and methods Holographic optical elements, devices and methods are disclosed. The holographic optical elements include calamitic materials. This is advantageous because the holographic medium in which the holographic image is formed is latent or very nearly latent, has little or no Rayleigh scattering, has high refractive index contrast, and is fabricated with ... 06/08/06 - 20060121358 - Diffractive optical element and method of manufacture A diffractive optical element such as a diffuser, diffraction grating, and/or hologram, can be manufactured by using a surface relief pattern on a surface of a surface relief tool. A layer of curable material is physically contacted with the surface relief pattern on the surface of the surface relief tool ... 06/08/06 - 20060121357 - Large pattern printing A method for printing a large pattern onto a substrate which includes decomposing the large pattern into a plurality of pattern segments; providing a mask in which is arranged one of each distinctive pattern segment; recording a hologram mask of the mask; providing a TIR holographic lithography machine with an ... 06/01/06 - 20060115740 - Hologram recording medium A hologram recording medium includes: first and second translucent substrates; and a recording layer, which is formed between the first and second substrates, contains a three-dimensionally crosslinked polymer matrix, a radical polymerizable compound and a photoradical polymerization initiator, shows a rubber-like elasticity at the room temperature, and has a durometer ... 05/11/06 - 20060099516 - Switchable volume hologram materials and devices A new photopolymerizable material allows single-step, fast recording of volume holograms with properties that can be electrically controlled. Polymer-dispersed liquid crystals (PDLCs) in accordance with the invention preferably comprise a homogeneous mixture of a nematic liquid crystal and a multifunctional pentaacrylate monomer, in combination with photoinitiator, coinitiator and cross-linking agent. ... 04/13/06 - 20060078803 - Hologram recording material, hologram recording method and optical recording medium A hologram recording material is provided and includes at least a sensitizing dye capable of absorbing light having a hologram recording wavelength to generate an excited state thereof, and an interference fringe-recording component capable of recording interference fringes providing a refractive index modulation by an electron transfer or an energy ... 04/13/06 - 20060078802 - Holographic storage medium Disclosed herein is a method of manufacturing a data storage media comprising mixing a photoactive material, a photosensitizer and an organic binder material to form a holographic composition, wherein the photoactive material undergoes a change in color upon reaction with the photosensitizer; and molding the holographic composition into holographic data ... 04/06/06 - 20060073393 - Switchable holographic gratings The present invention includes systems and compositions of holographic grating structures devices and methods for fabricating such holographic grating structures. The method comprises the steps of preparing a composite mixture comprising a polymerizable matrix, a liquid crystal, and a photo-oxidant dye, producing an interference pattern from two interference beams, wherein ... 04/06/06 - 20060073392 - Holographic storage medium Disclosed herein is a method of manufacturing a data storage media comprising mixing a photochromic dye with an organic material or an inorganic material to form a holographic composition; and molding the holographic composition into holographic data storage media. Disclosed herein too is an article comprising a photochromic dye and ... 03/16/06 - 20060057467 - Hologram recording material and hologram recording method A hologram recording material and a hologram recording method, capable of attaining a high sensitivity, a high diffraction efficiency, a satisfactory storability and a dry processability at the same time and applicable to a high-density optical recording medium, a three-dimensional display, a holographic optical element and the like, are provided. ... 03/02/06 - 20060046156 - Method for manufacturing a microstructure, exposure device, and electronic apparatus Aspects of the invention can provide a method for manufacturing a microstructure, including forming a photosensitive film above a work piece, exposing the photosensitive film, as a first exposure, by irradiating interference light generated by intersecting two laser beams having a wavelength shorter than a wavelength of visible light, developing ... 02/23/06 - 20060040186 - Apparatus for producing a hologram mask An apparatus for producing a hologram mask approximating the exposure produced by a non-holographic phase shifting photomask is disclosed. The apparatus includes a first object light at least partially transmittable through a first original mask having a light transmitting screening pattern, and a first reference light having a first phase ... 02/23/06 - 20060040185 - Holographic recording medium, holographic recording method and holographic information medium in the (1) and (2) D1 is the thickness of the first substrate, D2 is the thickness of the second substrate, and Dh is the thickness of the holographic recording layer, and wherein a hardness of the holographic recording layer that is measured by ISO 868 type A durometer is ... // - 1.0≦(Dh+D1+D2)≦3.0 [mm], (2) - ... // - 0.2≦Dh/(D1+D2)≦1.0 (1) - ... 01/26/06 - 20060019172 - Volume hologram resin composition, surface relief hologram resin composition, and hologram layer, hologram transfer foil and brittle hologram label using the same The major object of the invention is to provide a volume-type hologram resin composition and a surface relief-type hologram resin composition having a high effect of preventing forgery and excellent in foil cutting, as well as a hologram layer and a hologram transfer foil using thereof. To achieve the object, ... 01/26/06 - 20060019171 - Method for producing hologram by pico-second laser Disclosed is a method of producing a hologram through a two-beam laser interfering exposure process, which comprises emitting a coherent laser light with a pulse width (τ) ranging from greater than 900 femtoseconds to 100 picoseconds and a laser power of 10 μJ/pulse or more using a solid-state laser as ... 01/19/06 - 20060014081 - Holographic recording medium and method of manufacturing the same Disclosed is a holographic recording medium and methods of manufacturing the holographic recording medium. The example of the medium has a recording layer containing a three dimensionally cross-linked polymer matrix including an epoxy resin, a radically polymerizable monomer, and a photo radical polymerization initiator. The radically polymerizable monomer comprises both ... 11/10/05 - 20050250016 - Holographic recording medium, holographic recording method and holographic information medium A holographic recording medium including: an anti-reflection layer; an first substrate; a holographic recording layer containing a binder forming compound, a photopolymerizable compound which has a functional group being capable of photopolymerization and a photopolymerization initiator which can initiate a polymerization reaction of the photopolymerizable compound; and a second substrate, ... 11/03/05 - 20050244720 - Recto/verso copy-protected security document The invention concerns a security document comprising, as security element against recto/verso copying, indicia present on both sides and capable of being viewed under reflected lighting and forming an image capable of being viewed under transmitted light. The invention is characterized in that said indicia comprise lines and form said ... 10/06/05 - 20050221198 - Hologram recording material, hologram recording method and optical recording medium A hologram recording material comprising at least one metal complex dye as a sensitizing dye. ... 09/29/05 - 20050214650 - Hologram recording material, hologram recording method, optical recording medium, three-dimensional display hologram and holographic optical element A hologram recording method using at least one discolorable dye, which comprises forming an interference band due to refractive index modulation using discoloration of the discolorable dye by hologram exposure. ... 09/22/05 - 20050208388 - Holographic recording medium and recording method The present invention provides a holographic recording medium comprising: an optical recording layer, which optical recording layer includes one of a polymer compound having photoisomerizable groups in the side chain thereof and a polymer compound in which photoisomerizable molecules are dispersed therein, which recording layer records a hologram by having ... 09/22/05 - 20050208387 - Optical recording material, optical recording medium and optical recording/reproducing apparatus An optical recording material which includes at least one of a polymer and an oligomer, the at least one of a polymer and an oligomer comprising a photoresponsive group. The optical recording material records information through change in at least one of absorption, refractive index and shape due to irradiation ... 09/08/05 - 20050196679 - Holographic recording medium Disclosed is a holographic optical recording medium, comprising a recording layer containing a three dimensionally cross-linked polymer matrix, a radically polymerizable compound, and a photo radical polymerization initiator, the three dimensionally cross-linked polymer matrix comprising a cured material of a reaction product between a diglycidyl ether and an amine, the ... 09/01/05 - 20050191560 - Volume hologram transfer foil The main object is to provide a volume hologram transfer foil showing an excellent foil cutting property and capable of being transferred easily to a transferred body. This object is solved by providing a volume hologram transfer foil comprising a substrate, a volume hologram layer formed on the substrate and ... 08/25/05 - 20050186482 - Heat stabilized sub-stoichiometric dielectrics A sub-stoichiometric oxide, nitride or oxynitride layer in an optical stack, alone or in direct contact with one or two stabilizing layers, stabilizes the optical properties of the stack. The stabilizing layer(s) can stabilize the chemistry and optical properties of the sub-stoichiometric layer during heating. The change in optical characteristics ... 08/04/05 - 20050170260 - Double faced double storage capacity medium A first holographic data storage device has a first set of holograms stored thereon. A second holographic data storage device has a second set of holograms stored thereon. An opaque layer is disposed between and attached to one side of the first and the second holographic data storage devices. In ... 08/04/05 - 20050170259 - Optically variable security device and method A security device comprising at least first and second superposed optically variable effect generating structures (3-5, 31-51), each having a surface relief microstructure, the second optically variable effect generating structure being viewable through the first. ... 07/14/05 - 20050153211 - Hologram device, its production method, and electronic optical part A hologram device of the invention comprises a substrate having a hologram diffraction lattice thereon and a low moisture-permeable film formed on the substrate and covering the hologram diffraction lattice, wherein the substrate has an exposed region not covered with the low moisture-permeable film. ... 06/23/05 - 20050136333 - Novel optical storage materials based on narrowband optical properties Holographic storage media including a substrate and a dye material capable of undergoing a photo-induced change are disclosed. Data may be written into the holographic storage media using light of one wavelength and read using light of a different wavelength. ... ### FreshPatents.com Support |