Patent application number | Description | Published |
20130016741 | OPTICAL FIBER AMPLIFIER AND FIBER LASER APPARATUS USING THE SAME - An optical fiber amplifier ( | 01-17-2013 |
20130016743 | HOLEY FIBER, AND LASER DEVICE USING THE SAME - The invention aims to provide a holey fiber that can release leak light propagating through the clad at a desired location, and a laser device using the holey fiber. A holey fiber includes: one end and the other end; a core; an inner clad coating the core; a hole layer having a large number of holes formed therein and coating the inner clad; and an outer clad coating the hole layer. In this holey fiber, a collapse region is formed, and the holes in the collapse region are squashed by a predetermined length in the length direction of the fiber. | 01-17-2013 |
20130020474 | LIGHT INTENSITY MONITORING CIRCUIT AND FIBER LASER SYSTEM - A fiber laser system includes: a fiber laser device ( | 01-24-2013 |
20130022061 | FIBER LASER DEVICE - A laser diode driving device ( | 01-24-2013 |
20130022066 | LASER DEVICE AND METHOD FOR MANUFACTURING SAME - A laser device includes: a semiconductor laser element having an output surface; an optical fiber having a leading end portion facing the output surface of the semiconductor laser element; and an optical fiber supporting member for supporting the optical fiber, the optical fiber supporting member being made from a non heat insulating material and having a bonding pad to which the optical fiber is fixed by use of solder. The optical fiber supporting member includes a contact portion thermally in contact with a base. The bonding pad is (i) spaced apart from the contact portion so as to be located on a side opposite from the contact portion so that a region to which laser light is applied from another laser element when the optical fiber is fixed to the bonding pad is sandwiched between the bonding pad and the base and (ii) separated spatially from the base. | 01-24-2013 |
20130022067 | LASER DEVICE - The laser device includes a semiconductor laser element having an emission surface from which laser light is emitted, an optical fiber having an end part facing the emission surface, and an optical fiber supporting member which (i) supports the optical fiber and (ii) has a bonding pad to which the optical fiber is fixed by solder. The optical fiber supporting member includes a beam part having (i) a first main surface on which the bonding pad is provided and (ii) a second main surface opposite to the first main surface, and a pillar part which is fixed to a base and is joined to the beam part on an end portion of the beam part such that the second main surface and the base face each other while being spatially away from each other. | 01-24-2013 |
20130022326 | OPTICAL FIBER, AND LASER DEVICE USING THE SAME - The invention aims to provide an optical fiber in which light that is input to the clad is easily released to the outside of the clad, and a laser device using the optical fiber. An optical fiber ( | 01-24-2013 |
20130023140 | WATERPROOF CONNECTOR - A waterproof connector ( | 01-24-2013 |
20130028275 | METHOD FOR MANUFACTURING OPTICAL FIBER GRATING, OPTICAL FIBER GRATING, AND FIBER LASER - A method for manufacturing an optical fiber grating that includes first and second gratings that configure an optical resonator, the method including: forming the first grating by radiating ultraviolet light to an optical fiber so that a irradiation intensity Z satisfies the following Equation 1: Z≦(Δλ | 01-31-2013 |
20130028563 | OPTICAL FIBER RIBBON, OPTICAL FIBER CABLE, AND WIRE CONFIGURATION - An optical fiber ribbon includes: a plurality of optical fibers arranged in parallel; and a tape material covering the plurality of optical fibers into a tape, in which the plurality of optical fibers are coated respectively with translucent color layers of different colors, and in at least two of the plurality of optical fibers, markings for identifying the optical fiber ribbon are provided at a same position in a longitudinal direction of the optical fiber ribbon. | 01-31-2013 |
20130029092 | METHOD OF FORMING MICROSTRUCTURES, LASER IRRADIATION DEVICE, AND SUBSTRATE - A microstructure forming method includes a step A of irradiating a region of a substrate, in which a hole-shaped or groove-shaped microstructure is to be formed, with a circularly or elliptically polarized laser beam having a pulse width of which the pulse duration is on the order of picoseconds or shorter, and scanning a focal point at which the laser beam converges to form a modified region, and a step B of performing an etching process on the substrate in which the modified region is formed and removing the modified region to form a microstructure. | 01-31-2013 |
20130029093 | METHOD OF FORMING MICROSTRUCTURE, LASER IRRADIATION DEVICE, AND SUBSTRATE - A method of forming a microstructure includes a Step (A) of forming a modified region in a substrate by irradiating a laser beam having a pulse duration on the order of picoseconds or shorter on a region where a pore-like microstructure is to be provided, and scanning a focal point at which the laser beam is converged; and a Step (B) of forming a microstructure by performing an etching process on the substrate in which the modified region has been formed, and removing the modified region, where a linear polarized laser beam is used as the laser beam in the Step (A), and the laser beam is irradiated so that an orientation of a linear polarization has a certain direction with respect to a direction of scanning the focal point. | 01-31-2013 |
20130040819 | ELECTRODE UNIT JOINING STRUCTURE FOR SUPERCONDUCTING WIRE, SUPERCONDUCTING WIRE, AND SUPERCONDUCTING COIL - An electrode unit joining structure for a superconducting wire includes: a superconducting wire comprising a first base member, a first superconducting layer provided on the first base member, and a first electroconductive layer provided on the first superconducting layer; an electrode provided on the first electroconductive layer at an end portion of the superconducting wire; and a superconducting cover tape comprising a second base member, a second superconducting layer provided on the second base member, and a second electroconductive layer provided on the second superconducting layer, the superconducting cover tape being provided so as to cover at least part of the electrode, wherein the second electroconductive layer of the superconducting cover tape is disposed on the electrode side, and the electrode, the superconducting wire, and the superconducting cover tape are electrically connected to each other. | 02-14-2013 |
20130061637 | OPTICAL FIBER PREFORM AND METHOD OF MANUFACTURING OPTICAL FIBER USING OPTICAL FIBER PREFORM - An optical fiber preform that is used in a method in which a core rod that forms a core is inserted into a quartz tube that forms a cladding, and at the same time as they are fiber-drawn, the quartz tube and the core rod are formed into a single body, includes: a tapered portion that is formed by grinding an outer circumferential portion of a distal end portion of the quartz tube into a tapered shape; and a conical portion that is formed by welding a dummy tube that has substantially the same outer diameter as the outer diameter of a distal end portion of the tapered portion to the distal end portion of the tapered portion, and by applying heat to the dummy tube and stretching out the dummy tube, where the core rod is inserted inside the quartz tube. | 03-14-2013 |
20130074552 | APPARATUS AND METHOD FOR MANUFACTURING OPTICAL FIBER PREFORM - Provided is a method for manufacturing an optical fiber preform using a combustion burner. The method includes at least one of: a step α of, when a mode is changed from a deposition mode to a non-deposition mode, changing a gas discharged from a combustion gas port of the burner from a combustion gas to a purge gas, while maintaining a pilot light and a flow rate of a supporting gas from supporting gas discharge nozzles of the burner so that the nozzle tip does not glow; and a step β of, when the mode is changed from the non-deposition mode to the deposition mode, changing a gas discharged from the combustion gas port from a purge gas to a combustion gas, while maintaining a pilot light and the flow rate of the supporting gas so that the nozzle tip does not glow. | 03-28-2013 |
20130081429 | METHOD OF MANUFACTURING OPTICAL FIBER BASE MATERIAL AND METHOD OF MANUFACTURING OPTICAL FIBER - Provided is a method of manufacturing an optical fiber base material by an inside mounting method, including: a step of rotating and heating a glass tube fixed at two positions and supplying a gas into a through-hole of the glass tube, wherein in the step, the glass tube is warped so that an axis between respective fixed portions of the glass tube has a shape in which a catenary curve is reversed in the vertical direction. | 04-04-2013 |
20130081430 | METHOD OF MANUFACTURING OPTICAL FIBER BASE MATERIAL AND METHOD OF MANUFACTURING OPTICAL FIBER - Provided is a method of manufacturing an optical fiber base material using a MCVD method, including: a step of heating a glass tube while rotating the glass tube and supplying a gas into a through-hole of the glass tube, wherein in at least a part of the step, the inside of the through-hole is pressurized so that an outer diameter of the glass tube increases. | 04-04-2013 |
20130083817 | LASER DEVICE - A laser device that can prevent abnormal oscillations in the amplifier is provided. | 04-04-2013 |
20130084051 | OPTICAL FIBER CORE - An optical fiber core having a primary layer and a secondary layer, which are laminated on a bare optical fiber. The primary layer is formed by curing an ultraviolet-curable resin composition containing a first silane coupling agent, which can be incorporated into a resin skeleton, and a second silane coupling agent, which cannot be incorporated into a resin skeleton. The first silane coupling agent contains a compound having a methoxy group, and the second silane coupling agent contains a compound having an ethoxy group. | 04-04-2013 |
20130093532 | FLEXIBLE PRINTED CIRCUIT BOARD - A flexible printed circuit board including: a base substrate; a pad formed on one surface side of the base substrate; and a ground plane layer formed on the other surface side of the base substrate, the ground plane layer including a ground-removed portion, the ground-removed portion being formed at a position facing the pad via the base substrate so as to be of similar shape to the pad and have an outer shape extended 100±50 μm outwardly from an outer shape of the pad. | 04-18-2013 |
20130098116 | MUFFLE TUBE INSPECTION METHOD AND MANUFACTURING METHOD OF SILICA GLASS-BASED OPTICAL FIBER PREFORM - A muffle tube inspection method inspects a muffle tube used for dehydrating and sintering a silica glass-based optical fiber preform, the muffle tube includes a sintering furnace provided with a furnace body covering a heater disposed around a periphery of the muffle tube. The method detects a crack generated at the muffle tube by measuring a pressure inside the furnace body while varying a pressure inside the muffle tube. | 04-25-2013 |
20130098662 | METHOD OF MANUFACTURING MULTI-LAYER CIRCUIT BOARD, AND MULTI-LAYER CIRCUIT BOARD - A multi-layer circuit board having a connector portion of an inner layer substrate being exposed, the multi-layer circuit board comprising: an inner layer substrate in which an inner layer circuit is formed, the inner layer circuit including the connector portion; and an outer layer substrate having an outer layer circuit formed on an insulating layer and having a region corresponding to the connector portion peeled off, an inner layer circuit side of the inner layer substrate and an insulating layer side of the outer layer substrate being adhered to one another via an adhesive layer so as to face one another, and a conductor layer other than the connector portion of the inner layer circuit being adhered to the outer layer substrate directly by the adhesive layer. | 04-25-2013 |
20130116893 | DEVICE FOR MEASURING THE DISTANCE BETWEEN A HEAD AND A HEADREST, HEADREST-POSITION ADJUSTING DEVICE USING SAID DEVICE, METHOD FOR MEASURING THE DISTANCE BETWEEN A HEAD AND A HEADREST, AND HEADREST-POSITION ADJUSTING METHOD USING SAID METHOD - Disclosed is a headrest position adjusting device provided with a distance measuring device and drive motor units. The distance measuring device is provided with a plurality of detection electrodes and a detection circuit including a plurality of capacitance detection circuits and a computation circuit. The computation circuit uses capacitance values, position information from the detection electrodes, and a high-degree function with a degree of at least 3 to compute a high-degree curve in a two-dimensional coordinate system with capacitance on the y-axis and detection-electrode position on the x-axis. The computation circuit computes the highest-degree coefficient of the high-degree curve and determines the distance between a head and a front part of a headrest on the basis of the computed highest-degree coefficient. On the basis of the measurement result, the headrest position adjusting device moves the front part of the headrest towards the front or back of a vehicle. | 05-09-2013 |
20130118208 | METHOD AND APPARATUS FOR MANUFACTURING OPTICAL FIBER - This optical fiber manufacturing method includes: forming a bare optical fiber by drawing an optical fiber preform; forming an intermediate optical fiber by providing a coating layer, which is formed of resin, on the outer periphery of the bare optical fiber; performing primary curing of the coating layer which forms the intermediate optical fiber; pressing the outer periphery of the intermediate optical fiber; and performing secondary curing of the pressed coating layer of the intermediate optical fiber. | 05-16-2013 |
20130118574 | ELECTRODE FOR DYE-SENSITIZED SOLAR CELL, PRODUCTION METHOD OF SAME AND DYE-SENSITIZED SOLAR CELL - The present invention is a production method of an electrode for a dye-sensitized solar cell, comprising: a first step of providing current collector wiring on an electrically conductive substrate; and a second step of producing an electrode for a dye-sensitized solar cell by sequentially forming a plurality of thermoplastic wiring protective layers on the current collector wiring so that softening points of the thermoplastic wiring protective layers become lower as the thermoplastic wiring protective layers move away from the current collector wiring, and by heat-treating the second and subsequent thermoplastic wiring protective layers from the current collector wiring at a heat treatment temperature lower than a softening point of the thermoplastic wiring protective layer formed immediately prior thereto. | 05-16-2013 |
20130118791 | LAMINATED WIRING BOARD AND MANUFACTURING METHOD FOR SAME - A laminated wiring board, includes: a first substrate in which a conductor circuit is formed on one surface of an insulating layer and an adhesive layer is formed on an other surface of the insulating layer, and conductors are formed in via holes that pass through the insulating layer and the adhesive layer so that the conductor circuit is partially exposed therefrom; an electronic component electrically connected to the conductor circuit by allowing electrodes of the electronic component to be connected to the conductors; an embedding member arranged around the electronic components so that the electronic component is embedded therein; and a second substrate having an adhesive layer laminated to face the adhesive layer of the first substrate and sandwich the electronic component and the embedding member, wherein each of the electrodes of the electronic component is continuous with the conductor circuit through two or more of the conductors. | 05-16-2013 |
20130125718 | OPTICAL FIBER CUTTING DEVICE AND OPTICAL FIBER CUTTING METHOD - A cutting device for cutting an optical fiber running in a first direction is comprised of a supporting piece having a free end and a fixed end and having resilience; a cutting blade supported by the supporting piece and so disposed as to come in contact with the optical fiber to make a right angle with the optical fiber at a point of the contact; and a driving device configured to press the supporting piece in a second direction in a plane perpendicular to the first direction, the second direction being not intersecting with the first direction. | 05-23-2013 |
20130126502 | DEVICE AND METHOD FOR APPLYING ELECTRIC DISCHARGE ON OPTICAL FIBER - A device for applying electric discharge on an optical fiber by electrodes is comprised of a first driving mechanism for controllably driving the electrodes in a first direction perpendicular to an axial direction of the optical fiber; and a second driving mechanism for controllably and synchronously driving the electrodes in a second direction perpendicular to the axial direction of the optical fiber but not identical to the first direction. | 05-23-2013 |
20130129293 | PLANAR OPTICAL WAVEGUIDE ELEMENT, CHROMATIC DISPERSION COMPENSATOR, OPTICAL FILTER, OPTICAL RESONATOR AND METHODS FOR DESIGNING THE ELEMENT, CHROMATIC DISPERSION COMPENSATOR, OPTICAL FILTER AND OPTICAL RESONATOR - There is provided a planar optical waveguide element including a core, the core including first and second portions and a gap portion that is positioned in a center of a width direction of the core between the first and second portions so as to extend in a light waveguide direction. The gap portion has a lower refractive index than that of the first and second portions, and a single mode propagated in the waveguide element has a span crossing the first and second portions. | 05-23-2013 |
20130129301 | OPTICAL FIBER CLAMP AND METHOD OF CLAMPING OPTICAL FIBER - A device for setting an optical fiber in place is comprised of: a pedestal capable of supporting the optical fiber; a clamper having the optical fiber gripped between the clamper and the pedestal; and a pressure device having a first elastic member bearing a first load area, a second elastic member bearing a second load area distinct from the first load area, and a limiter device limiting a deformation range of the second elastic member, the pressure device being so linked with the clamper as to, in the deformation range, cause the second elastic member to pressurize the clamper, and, after reaching a limit of the deformation range, cause the first elastic member to pressurize the clamper. | 05-23-2013 |
20130133930 | PRINTED WIRING BOARD - Provided is a printed wiring board capable of inhibiting a reinforcing plate from peeling off even when a bending radius is small. | 05-30-2013 |
20130133931 | PRINTED WIRING BOARD - Provided is a printed wiring board capable of inhibiting a reinforcing plate from peeling off even when a bending radius is small. The printed wiring board includes a wiring board main body, and a reinforcing plate attached to the wiring board main body, the reinforcing plate includes first and second reinforcing portions which are arranged to be mutually spaced apart, and a connecting portion which integrally connects the first reinforcing portion with the second reinforcing portion, and the connecting portion includes a first portion which has a cross-sectional area smaller than a cross-sectional area of the first reinforcing portion and smaller than a cross-sectional area of the second reinforcing portion, and a second portion of which a cross-sectional area increases along a direction from the first portion to at least one of the first reinforcing portion and the second reinforcing portion. | 05-30-2013 |
20130135704 | COMPENSATION METHOD, OPTICAL MODULATION SYSTEM, AND OPTICAL DEMODULATION SYSTEM - An optical modulation system has a function to compensate an operating point drift, which occurs in an MZ optical modulator, by carrying out feedback control with use of a low frequency signal. A judgment section judges stability of feedback control. In a case where the feedback control is determined to be unstable, a low frequency signal generating section switches a frequency of the low frequency signal from a first frequency to a second frequency. | 05-30-2013 |
20130135724 | GARNET-TYPE SINGLE CRYSTAL, OPTICAL ISOLATOR AND LASER PROCESSING MACHINE - The present invention is a garnet-type single crystal represented by the following general formula: | 05-30-2013 |
20130139880 | ELECTRODE SUBSTRATE AND PHOTOELECTRIC CONVERSION ELEMENT - Provided is an electrode substrate that has a transparent conductive layer, a current-collecting metal layer that is provided on the transparent conductive layer, and an insulating layer that covers the current-collecting metal layer on a base plate, wherein, when a thermal expansion coefficient of the base plate is defined as α, and a thermal expansion coefficient of the insulating layer is defined as β, α>β is satisfied, and in which the thickness of the transparent conductive layer is 0.05 to 5 μm. | 06-06-2013 |
20130140290 | OPTICAL FIBER FUSION SPLICER - A device for applying electric discharge to an optical fiber is comprised of a pair of electrodes having the optical fiber interposed between the electrodes and being opposed to each other; a pedestal configured to support the electrodes; a member configured to securely press the electrodes onto the pedestal; and a heat radiation fin provided on the member. | 06-06-2013 |
20130140976 | METHOD OF MANUFACTURING MICROFLUIDIC CHIP, MICROFLUIDIC CHIP, AND APPARATUS FOR GENERATING SURFACE PLASMON RESONANT LIGHT - A method of manufacturing a microfluidic chip includes: irradiating, with a laser light, an area to be provided with a valley for storing a fluid on a surface of a substrate so as to form a modified region having a periodic pattern formed in a self-organizing manner in a light-collecting area of the laser light, the laser light having a pulse width for which the pulse duration is on the order of picoseconds or less; carrying out an etching treatment on the substrate in which the modified region is formed, removing at least some of the modified portion so as to provide the valley, and forming a periodic structure having a plurality of groove portions along one direction which have a surface profile based on the periodic pattern on at least a bottom surface of the valley; and forming a metal layer that covers the periodic structure of the bottom surface. | 06-06-2013 |
20130143381 | ELECTRIC CIRCUIT CHIP AND METHOD OF MANUFACTURING ELECTRIC CIRCUIT CHIP - An electric circuit chip includes: a substrate made of glass or a semiconductor; and a circuit which is disposed in an inside of the substrate, has a first end portion and a second end portion exposed at specific surfaces of the substrate, and includes a spiral inductor. | 06-06-2013 |
20130153021 | DYE-SENSITIZED SOLAR CELL - The present invention is a dye-sensitized solar cell that has a pair of electrodes that oppose each other, a sealing section that joins the pair of electrodes, an electrolyte that fills a cell space that is surrounded by the pair of electrodes and the sealing section, wherein the sealing section has a resin sealing section that contains a resin, the resin sealing section has a changing-thickness section, the thickness of which increases or decreases as a distance from the electrolyte is increased and which has an inclined face, and the resin sealing section comes into contact, along the inclined face of the changing-thickness section, with an electrode of the pair of electrodes that opposes the inclined face. | 06-20-2013 |
20130156390 | MANUFACTURING METHOD OF OPTICAL FIBER RIBBON, MANUFACTURING DEVICE FOR OPTICAL FIBER RIBBON IMPLEMENTING SAID MANUFACTURING METHOD, AND OPTICAL FIBER RIBBON MANUFACTURED WITH SAID MANUFACTURING METHOD - A manufacturing method for an optical fiber ribbon, in which: a plurality of optical fibers are arranged in parallel and the neighboring optical fibers are partially coupled with each other at given intervals in a longitudinal direction to form a subunit; and the optical fibers positioned at side edges of the neighboring subunits are partially coupled with each other at a given intervals in the longitudinal direction, includes: sending out the optical fibers in a parallel manner with intervals provided therebetween, applying an uncured resin to the optical fibers, continuously changing positions at which the uncured resin is interrupted by a plurality of interrupt members, and forming coupled portions at which the optical fibers are coupled to each other by irradiating resin curing energy, wherein a moving period or phase of the interrupt members is changed for every arbitrary optical fibers. | 06-20-2013 |
20130161077 | DIFFERENTIAL SIGNAL TRANSMISSION CIRCUIT AND METHOD FOR MANUFACTURING SAME - A differential signal transmission circuit comprises: an insulating layer; two signal lines provided in parallel on one surface of the insulating layer; a GND line formed on each of outer sides of the two signal lines on the one surface of the insulating layer; and a wiring line layer formed on the other surface of the insulating layer, the differential signal transmission circuit being configured by a double-sided flexible printed circuit board, the signal lines, the GND line and the wiring line layer being formed by a semi-additive method on the insulating layer, and the signal line and the GND line being formed such that a distance S between the two signal lines is greater than a distance D between the signal line and the GND line. | 06-27-2013 |
20130163936 | OPTICAL FERRULE AND OPTICAL CONNECTOR - An optical ferrule and an optical connector are provided, which make it possible to reduce the labor required for an adhesive wiping operation even when the optical ferrule is small-sized. A first adhesive filling recess | 06-27-2013 |
20130174418 | METHOD OF MANUFACTURING CABLE ASSEMBLY - An object of the present invention is to provide a cable assembly manufacturing method of manufacturing a cable assembly which has the water cutoff property and of which insertion holes can be attached to small housings. A method of manufacturing a cable assembly includes: a bundling process of bundling a plurality of cables; a molding step of providing a pair of seal caps on outer peripheral surfaces of the plurality of bundled cables by way of insertion molding; an inserting step of inserting a portion of the plurality of cables between the seal caps in a water-proof tube having a stretching property; a covering step of covering the seal caps by the both ends of the water-proof tube water-tight; and a connecting step of connecting connectors to the both ends of the plurality of cables. | 07-11-2013 |
20130183031 | DATA TRANSMISSION DEVICE, DATA TRANSMISSION METHOD, AND DATA TRANSMISSION DEVICE CONTROL PROGRAM - A data transmission device may include: a transmitter unit; a receiver unit; an optical transmission path that connects the transmitter unit to the receiver unit and transmits an optical signal; and an electrical transmission path that connects the transmitter unit to the receiver unit and transmits an electrical signal. The transmitter unit may include: a light source unit that converts an input electrical signal from an exterior into an optical signal, and outputs the optical signal to the optical transmission path; and a transmitter-side control unit that outputs information on a physical quantity having a relation to intensity of the optical signal, which is output from the light source unit, to the electrical transmission path. The receiver unit may include: a light detecting unit that receives the optical signal transmitted through the optical transmission path and converts the optical signal into an electrical signal; and a receiver-side control unit. | 07-18-2013 |
20130196426 | BASE BODY AND METHOD OF MANUFACTURING BASE BODY - Disclosed is a substrate ( | 08-01-2013 |