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Optical fiber, waveguide, or preform

Subclass of:

264 - Plastic and nonmetallic article shaping or treating: processes

264100100 - OPTICAL ARTICLE SHAPING OR TREATING

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
264100270 Utilizing plasma, electric, electromagnetic, particle, or wave energy 23
264100280 Forming fiber bundle or cable (e.g., covering, etc.) 14
264100250 Forming connector or coupler (e.g., fiber link, etc.) 10
264100290 Extruding (i.e., die) 9
Entries
DocumentTitleDate
20100109173METHOD OF MANUFACTURING OPTICAL WAVEGUIDE - An optical waveguide is cut by moving a heated knife blade across the optical waveguide with the knife blade maintained at a predetermined angle. At that time, by maintaining the temperature of the knife blade at a temperature not lower than the glass transition point of the optical waveguide, a portion, in contact with a bevel plane of the knife blade, of the optical waveguide softens to be planarized along the bevel plane. In this way, an optical path conversion mirror constituted of a planarized cut plane is formed in a region through which the bevel plane has passed.05-06-2010
20130087937Phase Mask Period Control - A method, apparatus and system for forming a fiber optic cable is disclosed. A first pattern of a phase mark is formed at a first location in the fiber optic cable. A relational parameter between the fiber optic cable and the phase mask is changed and a second pattern of the phase mask is formed at a second location in the fiber optic cable. The second pattern is related to the first pattern via the change in the relational parameter between the fiber optic cable and the phase mask. A controller can be used to control the relational parameter.04-11-2013
20130062799METHOD FOR MANUFACTURING A TWO-DIMENSIONAL POLYMER OPTICAL WAVEGUIDE - The present invention relates to a method for manufacturing a two-dimensional polymer optical waveguide, which is used for manufacturing a two-dimensional optical waveguide through simplified processes using a single imprint original master. The method includes: replicating a pattern through a first hot-embossing process on a thermoplastic polymer sheet using a single original master; forming a buffer layer on the surface of the replicated pattern; manufacturing a polymer mold having a cladding pattern on the other side without a buffer layer through a second hot-embossing process using the original master; replicating a pattern by molding the polymer mold out of an elastic material and forming an upper elastic mold and a lower elastic mold by vertically separating the elastic material; and forming middle cladding using the upper and lower elastic molds, filling regions on and below the middle cladding with core resin patterns, and performing a curing process after stacking upper and lower cladding to form a two-dimensional optical waveguide.03-14-2013
20130062798Method for manufacturing a modified optical fiber - A modified optical fiber comprises one Surface Light Field Emulation (s-LiFE) segment, comprising a core; a cladding; and multiple controlled nanoscale diffusion centers to emit light through the side of the optical fibers. Optionally, the modified optical fiber has a coating. The nanoscale diffusion centers are physical geometric patterns or composition patterns in the cladding or the coating. The s-LiFE optical fiber is a member of an illumination system further comprising a light source. The method of making of said s-LiFE optical fiber comprises a fiber spooning step.03-14-2013
20080277809MANUFACTURING METHOD OF OPTICAL WAVEGUIDE - A method of manufacturing an optical waveguide including the steps of forming a core on a surface of an under cladding layer, and forming an over cladding layer on a surface of the core, in which the step of forming the over cladding layer includes preparing a molding die formed with a recessed portion having a die surface conformable in shape to a surface of the over cladding layer and a through hole in communication with the recessed portion; bringing an open surface of the recessed portion into close contact with the surface of the under cladding layer; while keeping this state, pouring a liquid resin which is a material for forming the over cladding layer through the through hole into a mold space surrounded by the die surface of the recessed portion and the surface of the under cladding layer; and hardening the liquid resin.11-13-2008
20090085235METHOD AND APPARATUS FOR MAKING A MICROSTRUCTURED OR NANOSTRUCTURED ARTICLE - In a method and apparatus for making an article with a microstructure or nanostructure, an injection molding process or an injection-compression molding process is used to produce a substrate and to apply a microstructure or nanostructure upon a surface of the substrate. Subsequently, the substrate is inundated with a cross-linking, curing material.04-02-2009
20100201011OPTICAL WAVEGUIDE DEVICE AND MANUFACTURING METHOD THEREOF - An optical waveguide device which is free from interference with an optical path between a light emitting element and an optical waveguide thereof, and to provide a method of manufacturing the optical waveguide device. A light emitting element (08-12-2010
20100140820Method of Fabricating Polymer Optical Fiber Preform For Polymer Optical Fibers - A method of fabricating a polymer optical fiber preform may include pre-polymerizing a monomeric reactant mixture, filling the mixture into a mould, and polymerizing the mixture into an optical fiber preform. The method may also include removing the mould from the preform.06-10-2010
20120104636METHOD OF MANUFACTURING AN OPTICALLY COUPLED DEVICE - An optically coupled device includes a light emitting element and a light receiving element which are electrically isolated from each other, and an optical waveguide allowing therethrough transmission of light from the light emitting element to the light receiving element, wherein the optical waveguide is covered with an encapsulation resin containing a light reflective inorganic particle which is typically composed of titanium oxide, the light emitting element and the light receiving element are respectively provided on a base (for example, package terminals), and the entire portion of the outer surface of the optical waveguide, brought into contact with none of the light emitting element, the light receiving element and the base, is covered with the encapsulation resin.05-03-2012
20090065959Method of Fabricating Optical Fiber - A method of making an optical fiber article can include providing an optical fiber including at least a core; providing a preform; and subsequent to the foregoing providing of the optical fiber and the preform, drawing the preform so as to dispose a region about the optical fiber. An optical fiber article can include a core; a pump cladding disposed about the core, the pump cladding for propagating pump light; and a second cladding disposed about the pump cladding, where the second cladding can provide a photonic bandgap for tending to confine pump light to a region about which the second cladding is disposed. The second cladding can comprise a plurality of layers including a first layer having a different optical property than a second layer, and the plurality of layers can be arranged as to provide the photonic bandgap effect.03-12-2009
20080296792Composite Light Guiding Device - A light guiding device (12-04-2008
20090278267METHOD FOR MANUFACTURING LIGHT GUIDE PLATES - A method for manufacturing a light guide plate, includes: providing a first mold having a first contact surface, a second mold, and a reflector having a reflecting surface, the first mold defining a cavity from the first contact surface toward an inner portion thereof and having a gate communicated with the cavity; sandwiching the reflector between the first and second molds with the reflecting surface tightly contacting with the contact surface to enclose the cavity; injecting molten transparent resin into the cavity through the gate to fill the cavity up with the molten transparent resin, thereby forming a light guide plate body on the reflecting surface of the reflector; cooling the light guide plate body to solidify the light guide plate body in the cavity; and separating the first and second molds.11-12-2009
20090079100Surface Scraping Method for Light Guide Plate - A surface scraping method for a light guide plate includes the steps of providing a light guide plate, providing a scraper having an oscillating element which the scraper generates an oscillating variation by the oscillating element, and performing the scraper to scrape a surface of the light guide plate. Such that, a plurality of stripes are formed on the surface and a shape of each of the stripes is corresponding to the oscillating variation.03-26-2009
20090079099METHOD OF FABRICATING POLYMER OPTICAL CIRCUIT - A polymer optical circuit having a waveguide core and a clad surrounding the waveguide core is fabricated by: structuring a mold by a main mold and an auxiliary mold, the main mold being formed from an elastomer for mold formation and having a concavity corresponding to a portion of the waveguide core except for an end portion of a specific shape, an injection hole for injecting a resin for core formation into the concavity, and a suction hole for suctioning-out the resin for core formation injected in the concavity from the injection hole, and the auxiliary mold being formed from an elastomer for mold formation and having a concavity of a shape corresponding to the end portion of the specific shape of the waveguide core; firmly sticking a clad base film, that structures a portion of the clad, to a surface of the mold at a side where the concavity is formed; filling a resin for core formation into the concavity by injecting the resin for core formation into the concavity from the injection hole of the mold and suctioning the resin for core formation from the suction hole; and forming a waveguide core by curing the resin for core formation.03-26-2009
20100001420Methods of Making Optical Fiber Assemblies Having Relatively Low-Levels of Water-Swellable Powder - Disclosed are fiber optic assemblies having at least one optical fiber and a water-swellable powder within a tube and/or cavity and methods for making the same. Fiber optic assemblies of the present invention use relatively low-levels of water-swellable powder while still effectively blocking the migration of tap water and/or saline solutions of 01-07-2010
20100193978METHODS OF FABRICATING LIGHT GUIDE MEMBERS AND BACKLIGHT UNITS - A light guide member capable of guiding light received from at least a first light source and second light source, wherein the first light source is spaced a distance D08-05-2010
20100252941OPTICAL ELEMENT MANUFACTURING METHOD - A method of manufacturing an optical element used at a second air pressure different from a first air pressure comprises: a measuring step of measuring a surface shape of the optical member at the first air pressure; a calculating step of calculating a deformation amount of the optical member that occurs owing to an air pressure difference between the first air pressure and the second air pressure; and a processing step of processing the optical member at the first air pressure so as to make the surface shape of the optical member match a target shape at the second air pressure, based on the surface shape measured in the measuring step and the deformation amount calculated in the calculating step.10-07-2010
20090072419Method of manufacturing optical waveguide and method of manufacturing package board - A method of manufacturing an optical waveguide includes: forming a first reflective bump and a second reflective bump, which have inclined surfaces formed on sides opposite to each other and which are disposed with a predetermined distance in-between, on an upper side of a conductive carrier; polishing the surfaces of the first reflective bump and the second reflective bump; forming a core between the first reflective bump and the second reflective bump; stacking an upper cladding over the upper side of the carrier to cover the first reflective bump, the second reflective bump, and the core; removing the carrier; and stacking a lower cladding over a lower side of the upper cladding. Forming reflective bumps on a conductive carrier, and polishing the reflective bumps to form inclined surfaces, can reduce lead time and can provide a high degree of freedom in design.03-19-2009
20100032853METHOD FOR MANUFACTURING OPTICAL WAVEGUIDE - A method for manufacturing an optical waveguide includes: step A of forming a first resin layer 02-11-2010
20090032983Method of Making An Optical Fiber - Microstructured optical fiber and method of making. Glass soot is deposited and then consolidated under conditions which are effective to trap a portion of the consolidation gases in the glass to thereby produce a non-periodic array of voids which may then be used to form a void containing cladding region in an optical fiber. Preferred void producing consolidation gases include nitrogen, argon, CO02-05-2009
20100025870METHOD AND APPARATUS FOR MANUFACTURING A POLYMERIC ARTICLE - The invention is directed to a method for manufacturing, in one production step and from one material, a polymeric article having at least one optical transparent area and at least one optical non-transparent area. The inventors found that it is possible to simultaneously create transparent and non-transparent areas, while the article is formed, by influencing specific cooling parameters.02-04-2010
20100019401METHOD FOR MANUFACTURING OPTICAL WAVEGUIDE - A resin layer 01-28-2010
20110049735MANUFACTURING METHOD OF PLANAR OPTICAL WAVEGUIDE DEVICE WITH GRATING STRUCTURE - A method for manufacturing a planar optical waveguide device of which a core includes a plurality of alternatively arranged fin portions and valley portions to form a grating structure, in which the core widths of the valley portions vary along the longitudinal direction, the method including: a high refractive index material layer forming step of forming a high refractive index material layer; a photoresist layer forming step of forming a photoresist layer on the high refractive index material layer; a first exposure step of forming shaded portions on the photoresist layer using a phase-shifting photomask; a second exposure step of forming shaded portions on the photoresist layer using a binary photomask; a development step of developing the photoresist layer; and an etching step of etching the high refractive index material layer using the photoresist pattern resulted from the development step.03-03-2011
20100148383Method of controlling longitudinal properties of optical fiber - A method of creating optical fiber to exhibit predetermined length-dependent characteristics (e.g., chromatic dispersion, polarization mode dispersion, cutoff wavelength, birefringence) includes the steps of: characterizing the fiber's selected characteristic(s) as a function of length; and performing a “treatment” which modifies the refractive index over the given length to adjust the defined parameter to fall within a defined tolerance window. These steps may be repeated one or more times until the measure of the parameter falls with the defined tolerance limits. The treatment process may include, for example, a low energy actinic radiation exposure, anneal, mechanical strain, DC voltage, plasma application, etc. Indeed, if the treatment process is repeated, a different technique may be used to adjust the refractive index (“different” processes include, for example, modifying the strength/time of a UV exposure, temperatures for annealing, etc.).06-17-2010
20110198765OPTICAL TRANSMISSION MEDIUM SHAPING METHOD, OPTICAL TRANSMISSION MEDIUM SHAPING APPARATUS, AND OPTICAL TRANSMISSION MEDIUM MANUFACTURING METHOD - An optical transmission medium shaping method and an optical transmission medium shaping apparatus can accurately adjust desire curvature radius without cracking the optical transmission medium. The optical transmission medium shaping method for bending an optical transmission medium using a transferring means and a noncontacting heating means, includes a transferring and heating process for heating part of the optical transmission medium by the noncontacting heating means while transferring the transferring means, and a bending process for bending the optical transmission medium.08-18-2011
20120217663SOLAR CONCENTRATOR AND PRODUCTION METHOD - The invention relates to a method for producing a solar concentrator from a transparent material. The solar concentrator comprises a light coupling surface and a light decoupling surface, the solid body comprises a supporting frame with an outer edge between the light coupling surface and the convex light decoupling surface and the transparent material is precision moulded between a first mould and a second mould to form the solar concentrator in such a way that the outer edge is moulded or formed without any or with only partial contact with said mould.08-30-2012
20110121474METHOD OF DRAWING MICROSTRUCTURED GLASS OPTICAL FIBERS FROM A PREFORM, AND A PREFORM COMBINED WITH A CONNECTOR - A method of manufacturing a microstructured fibre, includes: providing a preform having a plurality of elongate holes; mating at least one, but not all, of the holes with a connector to connect the hole(s) to an external pressure-controller; drawing the preform into the fibre whilst controlling gas pressure in the hole(s) connected to the pressure-controller.05-26-2011
20100327470PROCESS AND APPARATUS FOR PRODUCING THICK-WALLED PLASTIC COMPONENTS - The invention relates to a process for producing plastic components, in particular optical lenses or optical light-guides, wherein plastic melt is injected via a sprue (12-30-2010
20120319314METHOD FOR FABRICATING LIGHT GUIDE PLATE - A method for fabricating a light guide plate includes the following steps. Injection molding a light guide plate to obtain a light guide plate with a stub. Cutting away the stub to obtain a light guide plate with a cut edge. Providing a thermal resetting apparatus having an nano release material layer. A thermal melting temperature of the nano release material layer is higher than that of the light guide plate, heating the thermal resetting apparatus to make a temperature of the nano release material layer higher than the thermal melting temperature of the nano release material layer. And resetting the cut edge of the light guide plate by contacting the nano release material layer of the thermal resetting apparatus with the cut edge of the light guide plate to obtain a light guide plate with a smooth edge.12-20-2012
20120091604MANUFACTURING METHOD FOR LIGHT GUIDE PLATE - A method for manufacturing a light guide plate, such as a sign or guide display board, that guides light incoming from a side surface of a substrate thereof and guides the light outgoing from a major surface thereof. The method includes arranging fabrication dots in a matrix shape at a rectangular distal surface of a ultrasonic fabrication horn, forming, on a major surface of the light guide plate substrate, reflection dots corresponding to the fabrication dots on the distal surface upon pressing the distal surface of the ultrasonic fabrication horn to the major surface of the light guide plate substrate, and forming the reflection dots in a prescribed range on the major surface of the light guide plate substrate by repeating formation of the reflection dot upon correlative movement of the ultrasonic fabrication horn within the major surface with respect to the light guide plate substrate.04-19-2012
20120091603MOLDING OF NONUNIFORM OBJECT HAVING UNDERCUT STRUCTURE - Various embodiments are disclosed herein that relate to the molding of an item having a non-uniform thickness and an undercut structure. One disclosed embodiment provides an injection molding device for molding a part having a non-uniform thickness and an undercut structure, the injection molding device comprising a pair of opposing end walls, a first mold surface being stationary with respect to the pair of opposing end walls, and a second mold surface being movable toward the first mold surface such that a first end of the second mold surface is movable a larger travel distance toward the first mold surface than a second end during a molding process. Further, the pair of opposing end walls comprises a slider with an undercut mold surface that is movable in a direction transverse to a direction in which the second mold surface is movable toward the first mold surface.04-19-2012
20120286436TWO-SIDED MICROSTRUCTURE FORMING DEVICE AND METHOD FOR FORMING AN OPTICAL PLATE - A microstructure forming device for forming an optical plate includes: a roller unit including a pressing roller, and first and second embossing rollers that respectively have first and second micropatterned surfaces; an extrusion die for extruding a substrate material to a first nip between the first embossing roller and the pressing roller to form a lower microstructure; and a photosensitive resin-applying unit disposed immediately above the second embossing roller for directing a photosensitive resin onto the second embossing roller to form an upper microstructure that is opposite to the lower microstructure.11-15-2012
20080251957Method of Manufacturing a Light Guide - The invention relates to a method, an apparatus, a system and a light guide, in particular a backlighting, or front lighting light guide for user interfaces of electronic devices. To allow mass-production at low costs, it is proposed that a light guiding substrate is provided as a continuous foil, and that diffractive gratings are embossed on at least one side of the foil by rolling.10-16-2008
20080217797Simple micro concave mirror - A novel A SIMPLE FIBER OPTIC MICRO CONCAVE MIRROR has been recognized. This mirror is formed by making a precision micro lens in a material deposited on the end of an optical fiber held in a suitable fiber ferrule. Multiple dielectric layers are applied on the lens to achieve the final, desired optical characteristic of the mirror. The concave mirror is precisely aligned to the core of the fiber. The concave lens is fabricated on the end of the fiber by making an indentation of correct geometry and smoothness.09-11-2008
20110272834METHOD FOR MANUFACTURING LIGHT GUIDE PLATE HAVING LIGHT SCATTERING MICROSTRUCTURES - A method for manufacturing a light guide plate includes the follow steps. First, an injection mold including a cavity plate is provided. Then a plurality of microstructures is formed on the cavity plate by laser etching. Each microstructure includes a recess having a concave surface, and a protrusion formed around a periphery of the recess, wherein at least half of the concave surface is a mirror-like surface. Finally, a light guide plate is molded in the injection mold.11-10-2011
20100301501SELF-SUPPORTING OPTICAL FIBER SPOOL AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a fiberglass spool comprising a self-supporting roll (12-02-2010
20130154137OPTICAL ELEMENT AND METHOD FOR THE PRODUCTION THEREOF - Described is an optical element for guiding electromagnetic radiation. The optical element includes a base body and at least one film, wherein the film is configured to adhere to the base body to form an intimate connection with the base body without using an adhesion promoting interlayer and is arranged such that the electromagnetic radiation passes through it.06-20-2013

Patent applications in class Optical fiber, waveguide, or preform

Patent applications in all subclasses Optical fiber, waveguide, or preform