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| Number | Title | Issue Date |
| 7512309 | Polymer composition, plastic optical fiber, plastic optical fiber cable, and method for manufacturing plastic optical fiber There is provided a polymer composition comprising 5 to 100% by mass of a unit (A) of a lactone compound represented by a general formula (1) and 0 to 95% by mass of a unit (B) of (meth)acrylate as constitutional units, wherein the unit (A) of a lactone compound com... | 03/31/2009 |
| 7509018 | Plastic optical fiber and production method thereof A cylindrical outer clad section is formed by melt-extrusion molding of polyvinylidene fluoride (PVDF) having a molecular structure in which the number of defect bonds of successive CF2 units and successive CH2 units constitutes not less than 4... | 03/24/2009 |
| 7440671 | Optical waveguide Materials transparent to terahertz waves are very limited, and it is difficult to obtain the required performance by selecting the material. Further, it is also difficult to search for a novel material. Therefore, by letting a known material transparent to terahertz... | 10/21/2008 |
| 7412142 | Optical fiber with plurality of air holes and stress rods An optical fiber comprising: (i) a silica based passive core having a first index of refraction n1; (ii) a silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2, said claddi... | 08/12/2008 |
| 7409139 | Halogenated polyamide acid composition and its applications A halogenated polyamide acid composition containing a halogenated polyamide acid, a metal oxide precursor, a catalyst of reaction of generating a metal oxide from the precursor, and/or a coupling agent having a reactive group. A halogenated polyimide film is obtaine... | 08/05/2008 |
| 7376328 | Photosensitive resin composition for optical waveguide formation and optical waveguide A photosensitive resin composition for optical waveguide formation, comprising: (A) a di(meth)acrylate having the structure represented by the following general formula (1): | 05/20/2008 |
| 7372041 | Neutron detectors and related methods The present invention relates generally to neutron detecting scintillators and related methods and devices. A neutron detecting scintillator includes a plurality of microcapillary tubes loaded with a scintillator composition comprising a plastic scintillator and a n... | 05/13/2008 |
| 7373064 | Polymeric optical waveguide film The present invention provides a polymeric optical waveguide film whose core and clad are constituted from polymer materials and which is characterized in that a protective layer of a polymer material having resistance to solvent attack higher than that observed for... | 05/13/2008 |
| 7372283 | Probe navigation method and device and defect inspection device A probe navigation method, a navigation device, and a defect inspection device wherein in a charged particle beam system provided with probes for electrical characteristics evaluation, probing can be easily carried out regardless of the equipment user's level of ski... | 05/13/2008 |
| 7368514 | Siloxane monomer containing trifluorovinylether group and sol-gel hybrid polymer prepared by using the same The present invention relates to a siloxane monomer containing a trifluorovinylether group and a sol-gel hybrid polymer prepared using the monomer, more particularly to siloxane monomer with novel structure prepared by reacting alkoxychlorosilane with a Grignard rea... | 05/06/2008 |
| 7362429 | Opaque additive to block stray light in amorphous fluoropolymer light-guiding flowcells The present invention is directed to the use of a light absorbing wall material to eliminate stray light paths in light-guiding structures, such as those used for HPLC absorbance detection. More specifically, the present invention relates to the use of carbon-doped ... | 04/22/2008 |
| 7346259 | Thermally reversibly crosslinkable polymer as cladding material for electro-optic devices A polymeric cladding material, cladded waveguides, devices that include cladded waveguides, and methods for using the cladding material. The polymeric cladding material is a thermally reversibly crosslinkable polymer having high conductivity above its glass transiti... | 03/18/2008 |
| 7345134 | Crosslinked polymers with low loss and tunable refractive indices A polymer that includes a constitutional unit contributed by (a) a first monomer comprising a halocatechol diacrylate, a halocatechol diacrylate, a haloresorcinol diacrylate, or a halohydroquinone diacrylate, and (b) a second monomer comprising a charge transporting... | 03/18/2008 |
| 7330631 | Electro-optic polymer waveguide devices incorporating organically modified sol-gel clads A method including poling an optical waveguide device including an optical waveguide core, an electrode, and an organically modified sol-gel layer. ... | 02/12/2008 |
| 7327925 | Photosensitive acrylate composition and waveguide device A photosensitive composition suitable for practical waveguide devices is provided. The photosensitive composition comprises at least one multifunctional acrylate prepared from a fluorinated multifunctional alcohol and at least one photoinitiator. The said compositio... | 02/05/2008 |
| 7317847 | Optical fibers, devices and methods for making same The invention relates to an asymmetric optical fiber that includes a core and a functional cladding that surrounds substantially half of the core along at least a portion of the fiber. The asymmetric optical fiber may include substantially parallel electrodes dispos... | 01/08/2008 |
| 7302119 | Polymer phase modulator An optical phase modulator comprising a plurality of non-polarizing waveguides having a layered stack including a core between at least one layer of cladding material, wherein the core is constructed of electro-optic material(s), wherein the layers of cladding mater... | 11/27/2007 |
| 7295737 | Mechanically strippable upcoated optical fiber An upcoated optical fiber includes an optical fiber having a ultra-violet (UV) curable upcoating and a slip layer disposed between the optical fiber and the upcoating. The upcoating is mechanically strippable from the optical fiber and may be colored for identificat... | 11/13/2007 |
| 7289706 | Optical fiber ribbon with improved stripability An optical fiber ribbon includes a plurality of optical fibers encapsulated within a matrix material, where the optical fiber coating(s) and the matrix material(s), and optionally any ink layers thereon, are characterized by compatible chemical and/or physical prope... | 10/30/2007 |
| 7283715 | Optical waveguide forming material and method An optical waveguide comprising a substrate, a lower clad layer on the substrate, a core layer and an upper clad layer, at least one of the lower clad layer, the core layer and the upper clad layer is formed of a cured product of a photo-curable organopolysiloxane c... | 10/16/2007 |
| 7274854 | Polyimide optical waveguides and method for the preparation thereof An optical waveguide has a core layer made by a film containing a cross-linked polyamide based on a repeating unit of general formula (I) and a method for the production thereof. ... | 09/25/2007 |
| 7260297 | Displays The present invention describes a fluorescent dye doped polymer based optical wave-guide structure. The described polymers can be used to fabricate a range of display elements and illumination systems which work without the use of external electrical power. This is ... | 08/21/2007 |
| 7257299 | Optical fiber ribbon with improved stripability An optical fiber ribbon includes a plurality of optical fibers encapsulated within a matrix material, where the optical fiber coating(s) and the matrix material(s), and optionally any ink layers thereon, are characterized by compatible chemical and/or physical prope... | 08/14/2007 |
| 7241480 | Laminate improving slippage of hardcoat layer There is provided a laminate comprising a hard coat layer having the outermost surface to which slipperiness has been imparted. The laminate comprises a transparent substrate and a hard coat layer provided on said transparent substrate. The hard coat layer is... | 07/10/2007 |
| 7239785 | Method of preventing optical fiber failure in high power application A method of minimizing localized heating of, or minimizing signal losses across a source of loss in, an optical fiber used in transmission of a high power optical signal at an operating wavelength. These methods include the steps of: providing an optical fiber which... | 07/03/2007 |
| 7239765 | Polymer phase modulator An optical phase modulator comprising a plurality of polarizing waveguides having a layered stack including a core between at least one layer of cladding material, wherein the core is constructed of electro-optic material(s), wherein the layers of cladding materials... | 07/03/2007 |
| 7236654 | Polymer phase modulator An optical phase modulator comprising a polarizing waveguide having two ends and having a layered stack including a core between at least one layer of cladding material, wherein the core is constructed of electro-optic material(s), wherein the waveguide includes a m... | 06/26/2007 |
| 7231127 | Waveguide devices with low loss clads and tunable refractive indices Optical waveguide devices that include a polymer clad and a polymer core where the clad includes constitutional units contributed by (a) a monomer selected from the group consisting of a halocatechol diacrylate, a haloresorcinol diacrylate, and a haldhydroquinone di... | 06/12/2007 |
| 7228022 | Polymer integrated optical transceiver An optical transceiver comprising an optical bench including of a waveguide on a substrate, a light source, a system of transceiver module waveguides, a waveguide coupler, a fiber, and a detector. ... | 06/05/2007 |
| 7227685 | Optical film and liquid-crystal display device An optical film has a transparent film and an adhesive layer provided on one surface of the transparent film. The adhesive layer has a refractive index different by 0.12 or less from that of a layer of the one surface of the transparent film. The transparent film ha... | 06/05/2007 |
| 7228013 | Polymer phase modulator A polymer phase modulator having a plurality of polarizing waveguides having a layered stack including a core between at least one layer of cladding material, wherein the core is constructed of electro-optic material(s), wherein the layers of cladding materials havi... | 06/05/2007 |
| 7228044 | Composite fiber with light interference coloring function A novel conjugate fiber with a fine and an optical interference color-generating function, suitable for application in product fields which require aesthetic qualities, the fiber being characterized by having a structure wherein an alkali-soluble polymer with a thic... | 06/05/2007 |
| 7222316 | Board design aiding apparatus, board design aiding method and board design aiding program A board design aiding apparatus that simplifies a designed printed wiring board to predict a displacement quantity of the printed wiring board includes a layer thickness calculation section 21 for obtaining a mean thickness of an area of a board by a prescrib... | 05/22/2007 |
| 7211444 | Waveguide and assay A fluidic waveguide comprising a container and a fluid that fills said container, wherein said fluid has a refractive index greater than the refractive index of the wall of said container and wherein said fluid can act as a waveguide for electromagnetic radiation wh... | 05/01/2007 |
| 7207732 | Coated optical fiber and curable compositions suitable for coating optical fiber The present invention provides materials suitable for use as secondary coatings of optical fibers or the re-coating of spliced optical fiber junctions. With regard to the latter use, the coating materials a preferably characterized by a Young's modulus that is at le... | 04/24/2007 |
| 7206490 | Electro-optic polymer waveguide devices incorporating organically modified sol-gel clads Electro-optic waveguide devices that comprise an electro-optic polymer core and a polymer buffer clad. The polymer buffer clad comprises an organically modified sol-gel and has a refractive index lower than the refractive index of the core. ... | 04/17/2007 |
| 7201949 | Optical film for display devices Disclosed is an optical film comprising a layer containing layered clay particles in a radiation cured binder. Also disclosed is a coating dispersion and a method of forming an optical film comprising coating the dispersion on a flexible transparent polymeric suppor... | 04/10/2007 |
| 7179679 | Fabrication of multilayered thin films via spin-assembly An process of forming multilayer thin film heterostructures is disclosed and includes applying a solution including a first water-soluble polymer from the group of polyanionic species, polycationic species and uncharged polymer species onto a substrate to form a fir... | 02/20/2007 |
| 7174078 | Dual core photonic crystal fibers (PCF) with special dispersion properties An optical fiber for transmitting light, said optical fiber having an axial direction and a cross section perpendicular to said axial direction, said optical fiber comprising: (1) a first core region comprising a first core material having a refractive index Nc... | 02/06/2007 |
| 7171103 | Coated optical fibers A coated optical fiber can have a primary coating and a secondary coating, where the primary coating can have good microbending resistance and is obtained by curing a composition having a high cure speed. In one example, a coated optical fiber can include as optical... | 01/30/2007 |
