Matches 1 - 46 out of 46


Match Document Document Title
US20080145764 Pre-exposure and curing of photo-sensitive material for optical data storage  
The present invention relates to an apparatus for writing to optical storage media capable of performing pre-exposure and/or curing of a photo-sensitive material for optical data storage, in...
US20050244720 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...
US20060019172 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...
US20050219669 Method of forming a rainbow security hologram  
The present invention relates to a method of forming and validating a color-assigned rainbow security hologram of an object, where different parts of the recreated image of the object is presented...
US20050170259 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...
US20060275669 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...
US20070009807 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...
US20060121357 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...
US20050153211 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...
US20090015890 Hologram element, hologram element fabricating apparatus, hologram element fabricating method, and hologram reconstructing apparatus used for reconstructing information  
A reference beam is deflected by an angularly rotating mirror, and applied to a hologram recording medium at a set incident angle. The relevant applied reference beam and a signal beam are...
US20050136333 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...
US20050248817 Covert hologram design, fabrication and optical reconstruction for security applications  
Disclosed is an article having a holographic recording medium having digital data that cannot be seen by human eye, wherein the holographic recording medium is a holographic material that records...
US20070134559 Hologram production method and hologram production system employing silver halide photosensitive material  
A hologram production method comprising steps in which a specific image-converting apparatus, specific hologram exposure apparatus, and specific processor are used, wherein the exposure apparatus...
US20050082697 Solvent-resisting holographic film and manufacture thereof  
A solvent-resisting holographic film is a plastic film combined with an UV resin film, the UV resin film has a holographic pattern thereon, the outer surface of the holographic pattern is combined...
US20060073392 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...
US20060234132 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.
US20070072088 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...
US20050084801 Photonics data storage system using a polypeptide material and method for making same  
A photonics data storage system according to the present invention is described comprising a storage material, a data recording/storage apparatus for recording information in this storage...
US20060199081 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...
US20060147810 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...
US20090197185 DOCUMENT RECORDING METHOD AND APPARATUS  
A document recording method for recording a document on a microfilm, the document including a series of pages, a format of which is specified so as to include at least a page representing...
US20070184353 Volume hologram recording material and volume hologram recording medium  
A volume hologram recording material is provided that has high sensitivity, good storage stability after recording, and a large interference fringe refractive index difference, the material being...
US20070211323 Laser irradiation apparatus  
A laser irradiation apparatus includes a plurality of laser heads from which a laser is irradiated, can adjust arranged intervals of the laser heads, and moves freely to irradiate the laser along...
US20070148556 Photosensitive composition for volume hologram recording  
A volume hologram recording material having a composition that is adjusted in accordance with a recording wavelength in a visible region set individually and specifically, and is excellent in...
US20060046156 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,...
US20060194122 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...
US20050026081 Volume hologram recording photosensitive composition, and volume hologram recording medium using the same  
The present invention provides a volume hologram recording photosensitive composition comprising a binder polymer, a polymerizable compound, and preferably 0.1 to 3.0% by mass of a...
US20070020530 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...
US20100003605 SYSTEM AND METHOD FOR PROJECTION LITHOGRAPHY WITH IMMERSED IMAGE-ALIGNED DIFFRACTIVE ELEMENT  
A novel system and method and computer program product for exposing a photoresist film with patterns of finer resolution than can physically be projected onto the film in an ordinary image formed...
US20070128523 Optical refractive index-modifying polymer composition, hologram recording material and method of controlling refractive index  
The present invention provides an optical refractive index-modifying polymer composition which can efficiently modulate (change) refractive index upon light irradiation, and exhibits such high...
US20060115740 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...
US20060078802 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,...
US20070026319 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...
US20100183956 COMPUTER GENERATED HOLOGRAM, EXPOSURE APPARATUS AND DEVICE FABRICATION METHOD  
The present invention provides a computer generated hologram including a plurality of cells which form a light intensity distribution on a predetermined plane, the plurality of cells including a...
US20070248890 Index Contrasting-Photoactive Polymerizable Materials, and Articles and Methods Using Same  
The present invention provides a composition comprising at least one a photoactive index-contrasting polymerizable material, wherein the photoactive polymerizable material comprises at least one...
US20070243472 Holographic recording medium, recording method thereof, reading method thereof, recording apparatus and reading apparatus for holograohic recording medium  
A holographic recording medium 1 includes a holographic recording layer 7 having information recorded by use of recording beams L1, L2 and a two-state variable layer 5 arranged on one side of the...
US20080085455 Methods for storing holographic data and storage media derived therefrom  
The present invention provides methods for storing holographic data and articles derived using these methods. The method includes providing an optically transparent substrate comprising a...
US20060172203 Hologram recording material, process for producing the same and hologram recording medium  
The present invention provides a hologram recording material which attains high refractive index change, high sensitivity, low scattering, environment resistance, durability, low dimensional...
US20070042275 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...
US20060166104 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...
US20060040185 Holographic recording medium, holographic recording method and holographic information medium  
A holographic recording medium including: an first substrate; a holographic recording layer in which information can be holographic-recorded by entering information light and reference light from...
US20070231744 Holographic recording medium  
A holographic recording medium includes a recording layer containing a matrix material, a photoactive monomer having an ethylenic unsaturated bond dispersed in the matrix material and a...
US20070077498 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...
US20060240197 Photochromic and electrochromic compounds and methods of synthesizing and using same  
This invention relates to novel photochromic and electrochromic monomers and polymers based on 1,2-dithienylcyclopentene derivatives and method of using and synthesizing same. The compounds are...
US20090009668 Non-Etched Flat Polarization-Selective Diffractive Optical Elements  
A polarization-selective diffractive optical element includes a liquid crystal polymer film supported by a substrate. The liquid crystal polymer film includes an array of pixels, each pixel...
US20050195457 Process and apparatus for the application of diffractive elements upon surface areas  
The invention relates to a process for the manufacture of diffractive elements, especially holograms, on the surface of an object, whereby holographic information is transferred onto a...

Matches 1 - 46 out of 46