"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8175439 | Curable composition for optical material and optical waveguide A curable composition for an optical material including a specific silicon-containing polymer (A), a specific epoxy resin (B) and an energy ray-sensitive cationic polymerization initiator (C) as essential components. ... | 05/08/2012 |
| 7974510 | Optical waveguide having a core with a polarization-independent, spatially reconfigurable refractive index A waveguide having a spatially-variable refractive index is disclosed. The waveguide having a spatially-variable refractive index comprises a light-propagating medium and a non-uniform distribution of liquid crystal material in a matrix of dielectric material locate... | 07/05/2011 |
| 7813615 | Flexible film optical waveguide using organic-inorganic hybrid material and fabrication method thereof Disclosed herein is a flexible film optical waveguide, which is in flexible film form and includes upper and lower cladding layers, each of which is formed of an organic-inorganic hybrid material, and a core layer provided between the upper and lower cladding layers... | 10/12/2010 |
| 7706660 | Multiple quantum dot waveguides The present invention relates to an assembly of multiple waveguides which includes a substrate and a plurality of waveguides positioned on said substrate at locations effective to suppress cross-talk between different waveguides. The plurality of waveguides each com... | 04/27/2010 |
| 7623751 | Compound, polymerizable composition, optical device, and method for producing refractive index profile optical device Using a compound of the following formula (1) makes it possible to provide an optical device having a reduced transmission loss. wherein R1 is an alkyl group having from 1 to 3 carbon atoms and having at least on... | 11/24/2009 |
| 7574097 | Polysilane composition, optical waveguide and method for fabrication thereof A polysilane composition characterized as containing a polysilane compound and a silicone compound in the ratio (polysilane compound:silicon compound) by weight of 80:20-5:95, and also containing an organic peroxide in the amount of 1-30 parts by weight, based on 10... | 08/11/2009 |
| 7551830 | Impact resistant optical waveguide and method of manufacture thereof An impact resistant waveguide includes a clad surrounding a core. A reinforcing filler is incorporated in a curable silicone composition used to prepare the core, thereby imparting impact resistance to the core. A method of manufacture of the waveguide includes inje... | 06/23/2009 |
| 7515809 | Heat-resisting plastic optical fiber and manufacturing method thereof A heat-resisting plastic optical fiber which excels in heat resistance and mass production and a manufacturing method thereof. The heat-resisting plastic optical fiber has a core which consists of transparent resin, and clad coated on the outer periphery of the core... | 04/07/2009 |
| 7499625 | Fiber optic material and the use thereof The invention relates to a fiber optic material which comprises a polymer and at least one organic compound introduced therein. Said organic compound is a condensed aromatic ring system having two or more aromatic rings that are isocyclic or heterocyclic, wherein ev... | 03/03/2009 |
| 7466893 | Curable resin composition for light guide formation, curable dry film for light guide formation, cured resin and light guide Disclosed is an optical waveguide-forming curable resin composition and optical waveguide-forming curable dry film which are capable of forming cured resin articles that have high heat resistance, excellent mechanical strength and high transparency, and possess prop... | 12/16/2008 |
| 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 |
| 7433572 | Optical bypass method and architecture This invention pertains to optical fiber transmission networks, and is particularly relevant to transmission of high volume of data and voice traffic among different locations. In particular, the improvement teaches improvements to an optical transport system to all... | 10/07/2008 |
| 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 |
| 7403672 | Integrated linear polarizer A method for creating an integrated linear polarizer is provided. An electro-optical component is fabricated and may include a bottom electrode, a bottom cladding layer, side cladding features, an electro-optic polymer layer, a top cladding layer, and a top electrod... | 07/22/2008 |
| 7391938 | Technique to enhance the electro-optic coefficient of polymers by using a sol-gel cladding layer to increase poling efficiency Poling electro-optic polymers on an organically modified sol-gel cladding layer can enhance Pockel's coefficient by up to a factor of 2.5. ... | 06/24/2008 |
| 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 |
| 7373058 | Apparatus and method for detecting optical radiation Methods and devices for low power optical detection and modulation in a slotted waveguide geometry filled with nonlinear electro-optic polymers are shown. Direct conversion of optical energy to electrical energy is enabled without external bias, via optical rectific... | 05/13/2008 |
| 7373060 | Optical waveguide using polymer composed of silsesquioxane derivative An optical waveguide is produced by using a polymer obtained by using a silsesquioxane derivative represented by the formula (1-0). In the formula (1-0), R0 independently represents | 05/13/2008 |
| 7358582 | Planar optical waveguide assembly A planar optical waveguide assembly prepared by a method comprising the steps of (i) applying a curable polymer composition to a surface of a substrate to form a polymer film; (ii) curing the polymer film to form a lower clad layer; (iii) applying a silicone composi... | 04/15/2008 |
| 7354958 | Photopolymerizable composition and flame-retardant resin-formed article The invention provides a photopolymerizable composition comprising: flame-retardant particles which contains a hydrated metal and have an average diameter of about 1 to 500 nm; and a photopolymerization reactive material. The hydrated metal preferably includes at le... | 04/08/2008 |
| 7349085 | Detecting the orientation of carbon nanotubes Carbon nanotube orientation may be detected by exposing the carbon nanotube to a pair of laser beams oriented transversely to one another. By observing the effect on the intensity of transmitted light from a first laser beam when the polarization of the second laser... | 03/25/2008 |
| 7348022 | Biomedical composition A method of preparing intraocular lenses in situ is disclosed. The method involves the injection of an unsaturated macromonomer of the formula The macromonomer is then polymerized to give a polymer having an E modulus in th... | 03/25/2008 |
| 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 |
| 7336881 | Planar lightwave circuit and fabrication method thereof A method of fabricating a planar lightwave circuit (PLC) having an optical waveguide includes the steps of: (b) forming an initial optical waveguide having a predetermined pattern, which is a transmission medium of light, on a substrate; and (c) reflowing the optica... | 02/26/2008 |
| 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 |
| 7315671 | Display illumination system and manufacturing method thereof An illumination system (8) comprises an optical waveguide (18) which is made from optically transparent components and has four end faces (10, 10′). A light source (12) whose light is coupled into the optical waveguide (18) via o... | 01/01/2008 |
| 7315665 | Liquid-crystal planar-waveguide apparatus and method for fast control of polarization and other properties of light A polarization controller includes a plurality of liquid crystal cells positioned as cladding on a waveguide that propagates a beam of light so that the evanescent field extends into the liquid crystal cells, and a ½-wave birefringent retarder for rotating the eige... | 01/01/2008 |
| 7315374 | Real-time monitoring optically trapped carbon nanotubes An embodiment of the present invention is a technique to monitor carbon nanotubes (CNTs). A carbon nanotube (CNT) is manipulated in a fluid by a laser beam. An illuminating light from a light source is aligned along axis of the CNT to produce an optical response fro... | 01/01/2008 |
| 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 |
| 7294398 | Deuterated amorphous carbon coating for infrared optics The present invention is directed to an IR transmissive coating comprised of deuterated amorphous carbon (a-C:D). ... | 11/13/2007 |
| 7291293 | Vapor deposited electro-optic films self-assembled through hydrogen bonding The present invention introduces a novel route toward microstructural orientation into organic films, using multiple hydrogen-bonding to self-assemble chromophore molecules into electro-optic films in a net polar orientation. High-quality, thick films (up to microme... | 11/06/2007 |
| 7289712 | Planar optical waveguide and method of fabricating the same Provided are a planar optical waveguide and a method of fabricating the same which is adapted to a planar optical component and an optical component for use in a optical communication. The planar optical waveguide includes: a lower cladding layer formed on a substra... | 10/30/2007 |
| 7283689 | Optical waveguide having high dielectric constant contrast between cladding and core According to embodiments of the present invention, an optical waveguide includes a high dielectric constant core material relative to the cladding material. The cladding material has an index of refraction that is adjustable in response to an electrical stimulus. | 10/16/2007 |
| 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 |
| 7280731 | Stable organic-inorganic materials for waveguides, optical devices, and other applications Waveguides having high stability are disclosed (and other devices and materials including but not limited to coatings, passivation materials, glob top materials, underfill materials, materials for IC and other applications, microlenses and any of a wide variety of o... | 10/09/2007 |
| 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 |
| 7267931 | Process for producing optical waveguide The present invention provides a process for producing an optical waveguide, comprising the steps of: continuously applying a fluorene derivative layer onto a continuous substrate and curing the layer to thereby form a lower cladding layer; continuously applying a p... | 09/11/2007 |
| 7262230 | Process of preparing crosslinked, low loss polymers with tunable refractive indices A process that includes (a) providing a mixture including i) a halocatechol diacrylate, a haloresorcinol diacrylate, or a halohydroquinone diacrylate component, ii) a charge transporting component having a radical polymerizable group, and iii) a radical initiator an... | 08/28/2007 |