Famous Patents
British merchant Peter Durand invented the tin can in 1810.
PatentStorm News
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 |
| 8036511 | Resin composition for optical material, resin film for optical material, and optical waveguide A resin composition for an optical material, which is excellent in heat resistance and transparency and is soluble in an aqueous alkali solution, a resin film for an optical material made of the resin composition, and an optical waveguide using the same are provided... | 10/11/2011 |
| 7995895 | Resin composition for optical waveguide, and optical waveguide produced by employing the resin composition A resin composition for an optical waveguide is provided, which comprises: an epoxy compound represented by the following general formula (1): wherein m is 1 or a positive integer, n is 1 or a positive integer, R and R′ w... | 08/09/2011 |
| 7869686 | Amplifying optical fiber The invention consists in an amplifying optical fiber comprising a core containing a dopant and a cladding, wherein said core comprises a monomode core intended to propagate an optical signal, quantum dots of a semiconductor material being disposed in or near said m... | 01/11/2011 |
| 7853113 | Resin composition for optical material, resin film for optical material, and optical waveguide A resin composition for an optical material, which is excellent in heat resistance and transparency and is soluble in an aqueous alkali solution, a resin film for an optical material made of the resin composition, and an optical waveguide using the same are provided... | 12/14/2010 |
| 7813614 | Amplifying optical fiber The invention consists in an amplifying optical fiber comprising a core containing a dopant and a cladding, wherein said core comprises a monomode core intended to propagate an optical signal, quantum dots of a semiconductor material being disposed in or near said m... | 10/12/2010 |
| 7756384 | Method for forming anti-reflective coating A method of forming an antireflective coating on an electronic device comprising (A) applying to an electronic device an ARC composition comprising (i) a silsesquioxane resin having the formula (PhSiO(3-x)/2(OHx)m HSiO(3-x)/2 | 07/13/2010 |
| 7751678 | Resin composition for optical material, resin film for optical material and optical waveguide using same Disclosed is a resin composition for an optical material which contains a base polymer (A), a photopolymerizable compound (B), and a photopolymerization initiator (C). Also disclosed is a resin film for an optical material which is made of such a resin composition f... | 07/06/2010 |
| 7747128 | Waveguide device A waveguide device includes a substrate and a first electrode, a first cladding layer, a waveguide, a second cladding layer, and a second electrode sequentially provided on the substrate. At least one of the first cladding layer, the waveguide, and second cladding l... | 06/29/2010 |
| 7747127 | Optical member and method of producing the same A plurality of optical members (lenses) for use in ultraviolet region are mutually stuck. A fluorine-based organic compound (for example, fluorine-based oil) is provided between them. The periphery of the optical members is sealed with a sealant. As the sealant, an ... | 06/29/2010 |
| 7747129 | Resin composition for optical materials, resin film for optical material, and optical waveguide A resin composition for an optical material, which is excellent in heat resistance and transparency and is soluble in an aqueous alkali solution, a resin film for an optical material made of the resin composition, and an optical waveguide using the same are provided... | 06/29/2010 |
| 7738763 | Composite polymer fibers A composite polymer fiber comprises a polymer filler material and a plurality of polymer scattering fibers disposed within the filler material. At least one of the filler material and the scattering fibers is formed of a birefringent material. The refractive indices... | 06/15/2010 |
| 7729587 | Method of producing planar multimode optical waveguide using direct photopatterning Disclosed is a method of producing a planar multimode optical waveguide by direct photo-patterning and, more particularly, to an optical waveguide material and a method of producing the same. It is possible to control the refractive index of the optical waveguide, a... | 06/01/2010 |
| 7706658 | Copolymer and polymerizable composition A copolymer containing a repeating unit of formula (1) and a repeating unit of formula (2-1) or (2-2): wherein R1 and R2 represent alkyl or aryl, R3 represents alkyl, aryl, alkoxy or amin... | 04/27/2010 |
| 7613378 | Optical device comprising an optical component and an optical medium with different refractive indices The present invention consists in an optical device comprising an optical component and an optical medium with different refractive indices, said optical component being at least partly immersed in said optical medium, which device is characterized in that said opti... | 11/03/2009 |
| 7570864 | Polymeric compositions comprising quantum dots, optical devices comprising these compositions and methods for preparing same The present invention relates to a polymeric composition of matter. The composition includes at least one polymer matrix and plurality of quantum dots distributed therein. The polymer may be a perfluorocyclobutane polymer having high optical transmission at telecomm... | 08/04/2009 |
| 7551829 | Waveguide, waveguide module, optical transmission device, and method of manufacturing waveguide In a waveguide 10 including a substrate 1, a lower clad 2, an upper clad 3, and a core 4, the outline of a cross section perpendicular to the light propagating direction of the core 4 surrounded by the lower clad 2 ha... | 06/23/2009 |
| 7526176 | Optical amplifier and fabrication method thereof An optical amplifier including an optical waveguide layer (for example channel-shaped optical waveguide layer) including Pb1−xLax(ZryTi1−y)1−x/4O3(PLZT: 0 | 04/28/2009 |
| 7515808 | Thermally stabilized waveguides An apparatus comprising a planar optical waveguide having an optical core and optical cladding next to the optical core. The optical core or cladding includes a plurality of particles therein. Each particle has a nucleus and polymeric molecules permanently bonded to... | 04/07/2009 |
| 7489850 | Phosphorous and alkali doped optical fiber Disclosed is an optical fiber having a silica-based core and a silica-based cladding, the core comprising germania, and oxides of an alkali metal and phosphorous. By appropriately selecting the concentration of alkali metal and phosphorous oxides, fibers exhibiting ... | 02/10/2009 |
| 7466892 | Optical and optoelectronic articles Optical and optoelectronic articles incorporating an amorphous diamond-like film are disclosed. Specifically, the invention includes optical or optoelectronic articles containing an amorphous diamond-like film overlying two or more proximate substrates, and to metho... | 12/16/2008 |
| 7457508 | Polymeric compositions comprising quantum dots, optical devices comprising these compositions and methods for preparing same The present invention relates to a polymeric composition of matter. The composition includes at least one polymer matrix and plurality of quantum dots distributed therein. The polymer may be a perfluorocyclobutane polymer having high optical transmission at telecomm... | 11/25/2008 |
| 7457507 | Organometallic polymer material An organometallic polymer material is obtained which excels in translucency, shows improved hardness after it is cured and exhibits high reliability at high temperature and high humidity. Characteristically, the organometallic polymer material contains an org... | 11/25/2008 |
| 7444055 | Integrated optics arrangement for wavelength (De)multiplexing in a multi-grade vertical stack The invention describes an integrated-photonics arrangement, implementable in a multi-guide vertical integration structure composed from III-V semiconductors and grown in one epitaxial growth run, that allows for vertical and lateral splitting of optical signals co-... | 10/28/2008 |
| 7440672 | Optical fiber for optical amplifier and process for manufacturing thereof The present invention relates to an optical fiber for an optical amplifier and a method for manufacturing the same, which can be applied to an optical transmission system in the S-band area (4130 nm-1530 nm). According to the present invention, silica is used as a b... | 10/21/2008 |
| 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 |
| 7437047 | Optical materials with selected index-of-refraction Photosensitive optical materials are used for establishing more versatile approaches for optical device formation. In some embodiments, unpatterned light is used to shift the index-of-refraction of planar optical structures to shift the index-of-refraction of the ph... | 10/14/2008 |
| 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 |
| 7429138 | Optical connection method and optical transmission apparatus A plastic optical fiber (11) has a core (12) and a clad (13). The clad (13) is composed of an outer clad (14) and an inner clad (15). The refractive index in the core (12) gradually increases as the distance from the ... | 09/30/2008 |
| 7428360 | Optical waveguide sensor and method of manufacture An optical waveguide environmental sensor is provided that is capable of detecting a target gas or liquid in the ambient environment in an advantageously short period of time. The waveguide is preferably in the form of an optical fiber having a cladding that contain... | 09/23/2008 |
| 7424192 | Frequency conversion with nonlinear optical polymers and high index contrast waveguides Systems and methods for manipulating light with high index contrast waveguides clad with substances having that exhibit large nonlinear electro-optic constants χ2 and χ3. Waveguides fabricated on SOI wafers and clad with electro-optic polymer... | 09/09/2008 |
| 7421178 | Left-handed materials and structures based on strong dielectric anisotropy Disclosed herein are exemplary embodiments of materials and structures that have a negative refractive index. For example, one exemplary embodiment is a waveguide structure comprising a first waveguide border element having a first substantially planar surface, and ... | 09/02/2008 |
| 7418187 | Waveguide configuration A waveguide configuration comprising a core, a first cladding, a second cladding, and a buffer. The core includes an index of refraction and an acoustic shear velocity. The first cladding extends about the core and has an acoustic shear velocity which is less than t... | 08/26/2008 |
| 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 |
| 7406244 | Method of using an ultrathin optical element The present invention provides an ultra-thin high-precision glass optic and method of manufacturing the same. The optic has an axial thickness that is less than 1,000 microns. A pattern and/or coating is disposed on a surface of the optic to provide attenuation of l... | 07/29/2008 |
| 7400803 | Method and apparatus for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments A fiber optic conduit for use in a hostile environment includes an axial tube. The axial tube comprises a corrosion resistant material and is operable to receive one or more optical fibers. The fiber optic conduit further includes a hydrogen barrier shell that is di... | 07/15/2008 |
| 7400807 | Apparatus and method for a waveguide with an index profile manifesting a central dip for better energy extraction A method and apparatus is described that use an index-of-refraction profile having a significant central dip in refractive index (or another tailored index profile) within the core of a gain fiber or a gain waveguide on a substrate. The benefits of this central dip ... | 07/15/2008 |
| 7394965 | Photosensitive resin composition for optical waveguide formation and optical waveguide A radiation-sensitive resin composition for forming optical waveguides, which comprises (A) a novolac type epoxy resin and (B) a photo-acid generator. The composition is used as materials for a core portion 5 of an optical waveguide 1, and the like. In... | 07/01/2008 |
| 7391949 | Low loss hollow core optical waveguide An optical waveguide is constructed so as to comprise a non-solid core surrounded by a solid-state material. The non-solid core has an index of refraction which is lower than the index of refraction of the surrounding solid state material, and light can be transmitt... | 06/24/2008 |
| 7391947 | Waveguide fabrication methods and devices A method of writing a waveguide using an ultrashort laser beam is disclosed. The laser beam is directed to a substrate in transverse relation to a waveguide propagation axis to generate an ultrashort laser pulse focus in the substrate. A refractive index is modified... | 06/24/2008 |
| 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 |
