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8182966 |
Data storage devices and methods
A data storage device including: a plastic substrate having a plurality of volumes arranged in tracks along a plurality of vertically stacked, laterally extending layers therein; and, a plurality...
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8182967 |
Optical data storage media and methods for using the same
There are provided optical data storage media and methods of optical data storage using the same. The optical data storage media comprises a non-linear sensitizer capable of absorbing actinic...
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8178261 |
Optical data storage media and methods for using the same
An optical data storage medium is provided. The optical data storage medium includes a polymer matrix; a reactant capable of undergoing a change upon triplet excitation, thereby causing a...
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8173329 |
Molded product and method for manufacturing same
A molded product having a phase separation structure formed by photopolymerization of a photopolymerizable composition and imparting a sharp diffraction spot at a high diffraction efficiency, and a...
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8163443 |
Photosensitive resin composition for volume phase hologram recording and optical information recording medium using the same
Disclosed is a volume phase hologram recording material characterized by excellent photosensitivity, low cure shrinkage, high transparency, and particularly good storage stability and also...
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8133639 |
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...
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8133638 |
All-polymer grating microstructure
An all-polymer grating microstructure device that exhibits a zero-order reflection under white light comprises a first polymer having a first refractive index and configured as a microstructure...
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8133547 |
Photoresist coating composition and method for forming fine contact of semiconductor device
A coating composition containing a coating base resin and a C4-C10 alcohol as a main solvent, and a method for forming a fine contact of a semiconductor device including the steps of preparing the...
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8124299 |
Methods for using optical data storage media
There are provided compositions, optical data storage media and methods of using the optical data storage. The compositions comprise a non-linear sensitizer comprising one or more platinum ethynyl...
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8097465 |
Sensor with holographic multiplexed image display
A holographic sensor comprising a thin film polymer matrix that undergoes a change in response to a substance to be sensed, the matrix containing within its volume a set of two or more holographic...
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8084168 |
Holographic storage devices with complementary data layer and use thereof
A data storage device including: a plastic substrate having a plurality of data volumes arranged along tracks in a plurality of stacked layers; a plurality of micro-holograms each contained in a...
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8080348 |
Hologram recording material and hologram recording medium
The present invention provides a hologram recording material which is suitable for volume hologram record and can attain high refractive index change, flexibility, high sensitivity, low scattering,...
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8071260 |
Thermoplastic holographic media
The present invention provides an article comprising: a binder component, a polymerizable component; and a photoinitiator component comprising at least one photoinitiator that causes the...
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8062809 |
Holographic storage media
Described are holographic storage mediums and method of making holographic storage mediums. The holographic storage mediums may have write components that bind to the matrix to form a pattern in...
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8053145 |
Method for manufacturing holographic recording medium and method for manufacturing semiconductor device
To provide a method for manufacturing a holographic recording medium and a method for manufacturing a semiconductor device, by which effects of distortion or irregularities of the surface of an...
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8053146 |
Multi-layer body including a diffractive relief structure and method for producing the same
There are described a process for the production of a multi-layer body (100) having a partially shaped first layer (3m) and a multi-layer body produced in that way. It is provided that a...
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8053147 |
Advantageous recording media for holographic applications
High performance media suitable for recording with a blue laser is disclosed. The blue-sensitized holographic media provides greater dynamic range and higher sensitivity than previously disclosed...
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8034514 |
Photosensitive resin composition for volume phase hologram recording and optical information recording medium using the same
The present invention relates to a volume phase hologram recording material excellent in transparency, sensitivity, low curing shrinkage, and transparency, a volume phase hologram recording medium,...
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8026021 |
Film forming material and preparation of surface relief and optically anisotropic structures by irradiating a film of the said material
The present invention is directed to a film forming, photoactive, homogeneously mixed material comprising a complex prepared from (a) at least one ionic photosensitive compound which may undergo a...
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8026022 |
Long-length fiber Bragg creating sequential UV writing by probing phase mask
A new fiber position monitoring method for sequential FBG UV-writing processes with a reference phase mask as the phase reference is proposed. Also, the new method by probing a reference phase mask...
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8021800 |
Hologram recording material, process for producing the same and hologram recording medium
The present invention provides a hologram recording material which is suitable for volume hologram record and attains high refractive index change, flexibility, high sensitivity, low scattering,...
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8019233 |
Method and apparatus for using a hologram to control the optical field distribution of light generated by a light source and launched into an end of an optical waveguide
A diffractive coupling element based on a computer-generated hologram is used in an optical coupling system of a transmitter to control the launch of laser light from a laser light source onto an...
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8003280 |
System and method for holographic lithographic production of a photonic crystal
A system and method for holographic lithography is disclosed, including interferometeric alignment of laser sources. This includes creation of the volumetric holographic pattern around wire and...
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7998639 |
Holographic sensor
The invention relates to a sensor comprising a medium and, disposed therein, a hologram, wherein an optical characteristic of the medium changes as a result of a variation in a physical property of...
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7993799 |
Optical components made from photosensitive inorganic/organic hybrid materials
An organic-inorganic hybrid material comprising (a) at least one soluble organic polymer, (b) at least one mono- or polynuclear metal complex having at least one ligand which comprises at least one...
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7977015 |
Polymerizable compound, optical recording composition, holographic recording medium and method of recording information
The present invention provides a polymerizable compound denoted by general formula (1). In general formula (1), A denotes an oxygen atom, sulfur atom, or NR, R denotes a hydrogen atom, alkyl group,...
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7955785 |
Method for forming fine concavo-convex patterns, method for producing optical diffraction structure, and method for copying optical diffraction structure
A method for forming fine concavo-convex patterns by using a relief formation material 3 having a relief formation layer 2 composed of a resin having thermoplasticity and a relief pattern sheet 6...
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7939221 |
Hologram recording material, process for producing the same and hologram recording medium
The present invention provides a hologram recording material which is suitable for volume hologram record and attains high refractive index change, flexibility, high sensitivity, low scattering,...
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7939220 |
Proton-translocating retinal protein
The invention relates to proton-translocating retinal proteins which exhibit a photocycle which is retarded as compared with the wild type and whose all-trans retinal contents in the light-adapted...
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7932000 |
Hologram recording medium
The present invention provides a hologram recording medium which can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low...
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7923174 |
Holographic recording composition and holographic recording medium
The present invention provides a holographic recording composition and a holographic recording medium comprising a recording layer formed with the holographic recording composition. The holographic...
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7923173 |
Photo definable polyimide film used as an embossing surface
An embossing surface and a method for creating that surface is provided by a polyimide material which has photodefinable characteristics. One benefit is that the embossing surfaces do not have to...
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7923132 |
Photosensitive dielectric paste and electronic part made with the same
Provided is a photosensitive dielectric paste capable of being burned at a low temperature in a short time and forming a dielectric film (insulator film) having favorable properties, such as...
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7901839 |
Compositions and methods for storing holographic data
The present invention provides a method for storing holographic data comprising providing a holographic storage medium comprising an optically transparent substrate including a photochemically...
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7897296 |
Method for holographic storage
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...
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7894319 |
Optical recording medium, method of producing the same, and, optical recording method and optical reproducing method
The present invention is intended to provide optical recording media of hologram type capable of high-density recording and capable of preventing noise even when the informing light and the...
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7892702 |
Sensitizer dyes for photoacid generating systems
Photosensitizing dyes are often used in conjunction with a photoacid generator in holographic recording media. Conventional photosensitizing dyes typically are limited by having an appreciable...
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7889407 |
Method for producing a duplicate hologram recording medium, apparatus for producing a duplication master, apparatus for producing a duplicate hologram recording medium, and duplication master
An apparatus for producing a duplicate hologram recording medium includes: a positioning section configured to place the duplication master and the duplicate hologram recording medium at...
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7883821 |
Process for producing titanium-containing metal oxide, hologram recording material, process for producing the same, and hologram recording medium
The present invention provides a process for producing a titanium-containing metal oxide the coloration of which is decreased; a hologram recording material suitable for holographic memory...
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7879509 |
Radiation-crosslinking and thermally crosslinking PU systems based on isocyanate-reactive block copolymers
The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane...
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7871741 |
Method of producing diffractive structures in security documents
A method of producing a security document or article including a substrate (100), which is transparent at least to visible light, and a diffractive optical microstructure (112). The method includes...
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7852537 |
Optical recording medium and method of manufacturing the same
An optical recording medium includes a first substrate having a groove on the side of an outer peripheral portion thereof; a second substrate in contact with the first substrate in the outer...
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7846615 |
Hologram recording material, hologram recording medium and hologram recording method
A hologram recording material contains a molecule having intrinsic birefringence and a photoresponsive macromolecule represented by the following formula (1). in formula (1), L1 representing a...
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7824822 |
Photosensitive compositions for volume hologram recording, photosensitive medium for volume hologram recording and volume hologram
The volume hologram recording photosensitive composition provided by the present invention contains at least a fluorine-contained photoreactive compound represented by the following formula (1):...
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7824515 |
Method for image formation, intermediate transfer recording medium, and image formed object
This invention provides a method for image formation, which can produce a thermally transferred image possessing excellent heat resistance and various fastness properties even under severe service...
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7820263 |
Volume hologram laminate
The present invention relates to a volume hologram laminate with low generation of spotty hologram flaws in the volume hologram layer even when kept under pressurized conditions during storage, and...
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7816059 |
Hologram recording material, hologram recording medium and hologram recording method
A hologram recording material is used for recording information by at least irradiation with light. The hologram recording material includes photoresponsive molecules, liquid crystal molecules, and...
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7794896 |
Methods for making holographic data storage articles
A method of making a holographic data storage medium is provided. The method comprises: (a) providing an optically transparent substrate comprising at least one photochemically active dye; and (b)...
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7790361 |
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...
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7781124 |
Hologram recording material
The present invention provides a hologram recording material which can modulate its refractive index effectively with visible light laser and is excellent also in transparency after this...
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