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Fujikura Ltd patents


Recent patent applications related to Fujikura Ltd. Fujikura Ltd is listed as an Agent/Assignee. Note: Fujikura Ltd may have other listings under different names/spellings. We're not affiliated with Fujikura Ltd, we're just tracking patents.

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Control device and manufacturing apparatus of optical fiber

A control device which is used in a manufacturing apparatus of an optical fiber, the manufacturing apparatus including a drawing unit and a coating unit. The control device includes: one or a plurality of non-contact holding portions which hold the bare optical fiber at any position between the drawing unit... Fujikura Ltd

Control device, and manufacturing apparatus of optical fiber

A control device which is used in a manufacturing apparatus of an optical fiber, the manufacturing apparatus including: a drawing unit; a coating unit; and a curing unit which cures the coating layer. The control device includes: one or a plurality of direction changing devices which change a direction of... Fujikura Ltd

Connector and manufacturing the same

A connector is formed by fixing two or more connector parts each made from a resin to each other by press fitting or with an adhesive. At least one weld part regulating thermal deformation between the connector parts is formed in a boundary portion between the adjoining connector parts.... Fujikura Ltd

Joint structure and manufacturing joint structure

A joint structure comprises a light-absorbable member having at least one opening portion and a light-permeable member superposed on the light-absorbable member so as to cover the opening portion, wherein a first annular weld part is formed so as to enclose the opening portion and join the light-absorbable member and... Fujikura Ltd

Joint structure and manufacturing joint structure

A joint structure comprising a light-absorbable member having at least one opening portion and a light-permeable member superposed on the light-absorbable member so as to cover the opening portion, wherein an annular weld part is formed so as to enclose the opening portion and join the light-absorbable member and the... Fujikura Ltd

Joint structure and manufacturing joint structure

A joint structure comprises a light-absorbable member having at least one opening portion and a light-permeable member superposed on the light-absorbable member so as to cover the opening portion, wherein an annular weld part is formed so as to enclose the opening portion and join the light-absorbable member and the... Fujikura Ltd

Load-detecting device

The load-detecting device 1 includes a base 2 engaged with a pair of S springs 100, and a load detection sensor unit SU that is mounted on the base 2 and includes a first electrode 52 and a second electrode 62 facing each other and being brought into contact with... Fujikura Ltd

Method of manufacturing an optical fiber cable

An optical fiber cable is provided. The cable includes: an optical fiber core having a central axis; a presser winding covering the optical fiber core; a sheath covering the presser winding; two tension members in the sheath and facing each other with the central axis therebetween; and two rip cords... Fujikura Ltd

Imaging module and manufacturing the same

An imaging module includes: an object lens; an image-sensing device; a holder that holds the object lens and the image-sensing device, the holder having a butt-contact portion with which the object lens is able to be brought into contact from an object side; and an aperture stop arranged closer to... Fujikura Ltd

Imaging module and manufacturing the same

An imaging module includes: an object lens; an image-sensing device having side surfaces and a corner of the side surfaces, the corner protruding in a direction perpendicular to an optical axis; and a holder that holds the object lens and the image-sensing device, the holder having a slit that penetrates... Fujikura Ltd

Method of manufacturing an optical fiber cable

An optical fiber cable is provided. The cable includes: an optical fiber core having a central axis; a presser winding covering the optical fiber core; a sheath covering the presser winding; two tension members in the sheath and facing each other with the central axis therebetween; and two rip cords... Fujikura Ltd

Load-detecting device

A load-detecting device 1 includes a load detection sensor unit SU and a base 2 on which the load detection sensor unit SU is mounted, and the load detection sensor unit SU includes an upper surface 47S configured to be pressed by a seat cushion SC, a first electrode 52,... Fujikura Ltd

Wiring body, wiring board, touch sensor, and production wiring body

A wiring body includes a resin layer, an electrode layer provided on a surface of the resin layer at one side and including a first line-like conductor layer, and a lead wiring layer provided on the surface of the resin layer at the one side and including one second line-like... Fujikura Ltd

Substrate-type optical waveguide and substrate-type optical modulator

In order to reduce a high frequency loss of a substrate-type optical waveguide without facilitating, in a low frequency domain, a reflection by an entrance end of a traveling-wave electrode, the substrate-type optical waveguide includes a coplanar line, provided on an upper surface of an upper cladding, which includes (i)... Fujikura Ltd

Plug-side optical connector and optical connector system

A plug-side optical connector includes: an insertion section that is inserted inside a cylindrical coupling section of a receptacle-side optical connector; a rotation section that is coupled to the coupling section of the receptacle-side optical connector; and a waterproofing member disposed on an outer peripheral surface of the insertion section... Fujikura Ltd

Optical device and manufacturing optical device

An optical device includes a window glass plate with which a window of a lid section is provided and which is connected to the lid section via a solder layer so that an internal space of the optical device is hermetically sealed. The solder layer has a void which is... Fujikura Ltd

Electronic component-mounted body and manufacturing same

An electronic component-mounted body (1) in accordance with an embodiment of the present invention is configured such that an IC chip (20) is fixed, with use of a post (30) having a thermosetting property, to a wiring substrate (10) having an anisotropic linear expansion coefficient.... Fujikura Ltd

Load detection sensor unit

A load detection sensor unit includes: a load detection sensor which includes a pair of electrodes facing each other with a predetermined gap interposed therebetween and a metal plate covering at least a part of one electrode; and a pressing member that includes a pressing portion pressed against a sheet... Fujikura Ltd

Photoelectric conversion element

A photoelectric conversion element includes a cell which includes a pair of substrates, an oxide semiconductor layer provided on one of the substrates, an electrolyte provided between the substrates, and a sealing portion joining the substrates. At least one of the substrates includes a joining portion joined to the sealing... Fujikura Ltd

Load detection sensor and load detection sensor unit

A load detection sensor 5 of the invention includes: a first electrode sheet 50 which includes first electrode 52 and a first contact point 53; a second electrode sheet 60 which includes a second electrode 62 and a second contact point 63; a spacer 70 which is disposed between the... Fujikura Ltd

Stretchable circuit board

A stretchable circuit board includes: a stretchable base; a stretchable wiring formed on the stretchable base; an electronic component mounted on the stretchable base; and a connecting section that electrically connects between the electronic component and the stretchable wiring, and is stretchable and formed such that its Young's modulus is... Fujikura Ltd

Method of manufacturing conductive layer and wiring board

A method of manufacturing a conductive layer on a support body includes a first process of forming a precursor layer containing at least one of metal particles and metal oxide particles on the support body; a second process of forming a sintering layer by irradiating an electromagnetic wave pulse on... Fujikura Ltd

Optical-fiber-attached ferrule and manufacturing the same

An optical-fiber-attached ferrule of the invention includes: an optical fiber; and a ferrule that holds an end portion of the optical fiber, where the ferrule includes a ferrule end surface, a fiber hole to insert the optical fiber, an adhesive-filling section that includes an opening surface of the optical fiber... Fujikura Ltd

Wiring body for touch sensor, wiring board for touch sensor, and touch sensor

A wiring body for a touch sensor includes a first resin layer, a first conductor layer provided on the first resin layer and including a first conductor line, a second resin layer covering the first conductor layer, and a second conductor layer provided above the first conductor layer via the... Fujikura Ltd

Wiring body, wiring board, and touch sensor

A wiring body includes a first conductor layer, a second conductor layer, and a first insulation layer interposed between the first and second conductor layers. The first conductor layer includes a first electrode, a first lead wire electrically connected to the first electrode, and a first shield layer electrically insulated... Fujikura Ltd

Dispersion shifted optical fiber

A dispersion shifted optical fiber where a radius r0 of a first center segment is 0.5 μm to 2.8 μm, and a relative refractive index difference Δ0 is 0.4% or more and 0.9% or less. A radius r1 of a first segment is 1.8 μm or more and 4.5 μm... Fujikura Ltd

Optical modulation element, optical modulator, and manufacturing optical modulation element

Provided is an optical modulation element which includes an optical waveguide. The optical waveguide includes: a rib part; a first slab part extending from the first side face of the rib part; aid a second slab part extending from the second side face of the rib part. The optical waveguide... Fujikura Ltd

Optical device and producing same

An optical device including a housing; an optical element contained in the housing; and a cover that seals an opening of the housing. The cover includes a frame member having an opening that serves as a window section, and a window section glass plate bonded to the frame member and... Fujikura Ltd

Micro optical circuit and optical mode converter

Provided is a micro optical circuit including a first micro optical waveguide and a second micro optical waveguide with a boundary face therebetween, in which the height of the first and second micro optical waveguides is different from each other, and the side faces of the first micro optical waveguide... Fujikura Ltd

Connector

A connector includes a required number of contacts, an electrical insulation housing and a metallic shell. A tab is formed in the connector. A pressure receiving portion of the tab is pushed by a pushing portion of the shell to move the pressure receiving portion toward a mounting face of... Fujikura Ltd

Cleaning tool and cleaning method

A cleaning tool includes a head member that presses a cleaning element at a pressing face against a cleaning target; a feed mechanism that supplies the cleaning element to the pressing face and that collects the cleaning element from the pressing face; and a liquid supply section that supplies a... Fujikura Ltd

Heat spreading module

In a heat spreading module, a plurality of hollow paths is formed in a thin plate-shaped main body so as to pass though the heating portion, and the hollow paths communicate with each other in a heating portion, a working fluid is enclosed in the hollow paths, a wick is... Fujikura Ltd

Optical fiber-cable branch member and optical fiber-cable branch structure

An optical fiber cable branch member includes a branch member main body, a cable-fixing portion which holds and fixes, onto the branch member main body, an end portion of a jacket of an optical fiber cable including a first optical fiber core bundle and the jacket which coats an outer... Fujikura Ltd

Pressure sensor and pressure sensor module

A pressure sensor includes a base including an accommodation portion, a pressure sensor element disposed in the accommodation portion, and a lead portion electrically-connected to the pressure sensor element, including a terminal portion provided along a lower surface of the base, and being exposed to an outside of the base,... Fujikura Ltd

Flame retardant resin composition, and cable and optical fiber cable using the same

Disclosed is a flame retardant resin composition comprising a polyolefin resin, calcium carbonate particles blended at a ratio of 5 pts. mass to 80 pts. mass, aluminum hydroxide blended at a ratio of 50 pts. mass to 125 pts. mass, a silicone-based compound blended at a ratio of more than... Fujikura Ltd

11/23/17 / #20170336558

Optical fiber and manufacturing the same

is 0.3%·μm or less, where a unit of r is μm, a unit of a relative refractive index difference Δ(r) is %, Δref(r)=−0.064r+0.494, and MFD1.31 is a mode field diameter at a wavelength of 1.31 μm.... Fujikura Ltd

11/16/17 / #20170329158

Substrate-type optical waveguide and substrate-type optical modulator

The substrate-type optical waveguide includes a rib-slab type core. A depletion layer exists in a rib part and, in any cross section of the core, a width of a first slab part is set to be greater than a width of a second slab part.... Fujikura Ltd

11/09/17 / #20170323733

Dye-sensitized photoelectric conversion element

Disclosed is a photoelectric conversion element including a cell. The cell includes a first electrode, a second electrode, an oxide semiconductor layer provided on the first electrode, and an electrolyte provided between the first and second electrodes. The second electrode includes an annular portion, an approaching portion approaching the oxide... Fujikura Ltd

10/26/17 / #20170308192

Wiring body, wiring board, and touch sensor

A wiring body includes an resin layer, a reticular electrode layer that includes first conductor wires arranged into the shape of a reticulation disposed on the resin layer, and a lead-out wiring layer connected to the reticular electrode layer disposed on the resin layer. The lead-out wiring layer includes a... Fujikura Ltd

10/26/17 / #20170309384

Superconducting coil

A superconducting coil, includes a coil body around which a superconducting wire is wound; an electrode member which includes a first surface, a second surface, a base portion, and an extension portion, the first surface facing an outer peripheral surface of the coil body, the second surface being positioned to... Fujikura Ltd

10/19/17 / #20170299815

Optical device, optical modulator, and manufacturing optical device

In the optical device, a holding member and an optical fiber are bonded and fixed to each other via a first resin layer which is provided between a holding surface of the holding member and a surface of the optical fiber, and the substrate waveguide and the holding member are... Fujikura Ltd

10/19/17 / #20170301483

Dye-sensitized photoelectric conversion element

A dye-sensitized photoelectric conversion element including a cell is disclosed. The cell includes a conductive substrate and a transparent conductive layer, a counter substrate facing the conductive substrate and including a metal substrate, a semiconductor layer provided on the conductive substrate, a sealing portion bonding the conductive and the counter... Fujikura Ltd

10/19/17 / #20170301981

Vehicle-mounted antenna device

In an on-vehicle antenna device (1), an on-vehicle antenna device (10) which is provided at an end part of a roof (20) includes an antenna (11) which has antenna elements (14, 15) drawn out from one feed point (13a) in a first direction and drawn out from another feed point... Fujikura Ltd

10/19/17 / #20170302017

Terminal and producing the same

A terminal (1) includes a wire connecting portion (11) to be connected to a wire (4), and a terminal connecting portion (12) to be connected to a counterpart terminal (5). The terminal connecting portion (12) includes first contact portions (321) to be connected to the counterpart terminal (5), and second... Fujikura Ltd

10/19/17 / #20170303395

Printed wiring board

A printed wiring board includes one or more substrates, the one or more substrates including at least a first substrate, the first substrate being formed with a pad and a ground layer at any one of main surfaces of the first substrate, the pad being to be electrically connected to... Fujikura Ltd

10/12/17 / #20170293097

Optical fiber cable, and manufacturing optical fiber cable

An optical fiber cable includes a core including a plurality of units which are assembled and each of which comprises a plurality of optical fibers which are assembled, a pair of tension members disposed so as to face each other with the core interposed therebetween, and a sheath covering the... Fujikura Ltd

10/12/17 / #20170293382

Wiring body, wiring board, and touch sensor

A wiring body includes an adhesive layer and a mesh-like electrode layer having a shape of a mesh formed by fine wires intersecting each other is formed on the adhesive layer. The mesh-like electrode layer includes an intersection region intersecting the fine wires with each other and a non-intersection region... Fujikura Ltd

10/12/17 / #20170294691

Power storage system and power storage method

A power storage system of the invention, includes: a power generator; a first storage battery; a second storage battery having smaller capacitance than that of the first storage battery; a first switcher that connects or disconnects the first storage battery to or from a power supply line and a load... Fujikura Ltd

10/05/17 / #20170285257

Optical fiber

An optical fiber includes: a core; and a clad which is formed so as to surround an outer circumference of the core concentrically with the core, the clad having at least an inner cladding layer adjacent to the outer circumference of the core and an outer cladding layer formed on... Fujikura Ltd

10/05/17 / #20170285259

Optical fiber preform, optical fiber, and manufacturing optical fiber

An optical fiber preform includes: a core formed of silica glass which does not contain Ge, wherein the core has at least one of characteristics in spectrometry of (1) an absorption peak is present at a wavelength of 240 nm to 255 nm, and (2) a wavelength at which an... Fujikura Ltd

10/05/17 / #20170285261

Method and fabrication of metal-coated optical fiber, and the resulting optical fiber

Method and apparatus for producing metal-coated optical fiber involves feeding a length of glass fiber through a first solution bath so as to plate a first predetermined metal on the glass fiber via electroless deposition. The length of glass fiber is passed continuously from the first solution bath to a... Fujikura Ltd

10/05/17 / #20170285287

Optical fiber ribbon, manufacturing optical fiber ribbon, and uv-curable resin composition used for formation of connection parts in intermittently connected optical fiber ribbon

Disclosed is a method for manufacturing an intermittently connected optical fiber ribbon that includes a plurality of optical fibers arranged side by side, and connection parts arranged intermittently and each connecting two adjacent optical fibers. The method involves: a step of applying, between the optical fibers, a UV-curable resin including... Fujikura Ltd

10/05/17 / #20170285786

Wiring body, wiring board, touch sensor and producing wiring body

A wiring body includes an adhesive :layer and a conductor pattern bonded to the adhesive layer. A surface roughness of an adhesive surface in the conductor pattern bonded to the adhesive layer is rougher than a surface roughness of another surface, which is a surface of the conductor pattern except... Fujikura Ltd

10/05/17 / #20170287598

Oxide superconductor, superconducting wire, and a manufacturing the same

An oxide superconductor has a composition expressed by REaBabCu3O7-x, where RE represents one rare earth or a combination of two or more of a rare earth, a satisfies 1.05≦a≦1.35, b satisfies 1.80≦b≦2.05, and x represents an amount of oxygen deficiency, and a non-superconducting phase having an outer diameter of 30... Fujikura Ltd

10/05/17 / #20170287599

Oxide superconducting wire

An oxide superconducting wire, includes a laminate including a base material, an intermediate layer, and an oxide superconducting layer, the intermediate layer being laminated on a main surface of the base material, the intermediate layer being constituted of one or more layers having an orientation, the intermediate layer having one... Fujikura Ltd

10/05/17 / #20170288323

Connecting structure of oxide superconducting wire and manufacturing the same

A connecting structure of an oxide superconducting wire includes a pair of oxide superconducting wires, tip surfaces of the pair of oxide superconducting wire being disposed to face to each other; a first surface-connecting superconducting wire configured to transit and connect the pair of oxide superconducting wires; and a second... Fujikura Ltd

09/28/17 / #20170276704

Optical device package and optical switch

The present invention makes it possible to inhibit decrease in optical performance due to a foreign object, while securing a space necessary for wire bonding. A cover (3) is configured such that a distance (z2) between an optical device (1) and a sub-cover member (32) becomes greater than a distance... Fujikura Ltd

09/28/17 / #20170276871

Bonding method, producing optical module, and optical module

Realized is a bonding method which makes it possible to cause an angle formed between a front surface of an optical element and an upper end surface of a housing side wall to accurately match a design objective value. The bonding method includes the steps of (a) placing an optical... Fujikura Ltd

09/28/17 / #20170276932

Optical element module and producing optical element module

An optical element module which can adsorb a foreign matter and absorb moisture remaining in the module with use of a simple structure which does not require a complicated production process is provided. An optical element module (101) includes a sealed housing (11, 12) and an optical element 1 mounted... Fujikura Ltd

09/28/17 / #20170277013

Optical device and optical switch

An optical device (10) includes an LCOS element (3), a heater substrate (2), and a resin layer (4) provided between the LCOS element (3) and the heater substrate (2), the resin layer (4) having a larger thickness at a central region of the LCOS element (3) than at a peripheral... Fujikura Ltd

09/28/17 / #20170277289

Method for producing conductor-layer-provided structure, substrate-provided wiring body, substrate-provided structure, and touch sensor

A wiring body includes an adhesive layer, a first conductor layer disposed on the adhesive layer that includes a first terminal portion, a resin layer covering the first conductor layer except for at least the first terminal portion, and a second conductor layer disposed on the resin layer that includes... Fujikura Ltd

09/28/17 / #20170277290

Wiring body, wiring board, and touch sensor

A wiring body includes a conductive portion that includes a contact surface having a concave-convex shape, and an adhesive layer stacked on the contact surface. The conductive portion further includes a top surface facing the contact surface that contains conductive particles. The adhesive layer includes a smooth portion with a... Fujikura Ltd

09/28/17 / #20170277306

Wiring body, wiring board, wiring structure, and touch sensor

A wiring body includes an adhesive layer, a first conductor layer disposed on the adhesive layer including a first terminal portion, a resin layer covering the first conductor layer except for at least the first terminal portion, and a second conductor layer disposed on the resin layer including a second... Fujikura Ltd

09/28/17 / #20170278886

Optical device and production optical device

A cover (8) of an optical device (10) is divided into: a first cover (5) which is fixed to a side wall section (4) so that an optical window (52) covers a light receiving section (1a) that serves as an effective region of an LCOS element (1); and a second... Fujikura Ltd

09/28/17 / #20170279181

Antenna device

The present invention includes: a film antenna (10); a cable (20) which is connected to a feed section (14) of the film antenna (10); and a support (30) around which at least part of the film antenna (20) is wound, the support (30) including a holding section for holding the... Fujikura Ltd

Patent Packs
09/28/17 / #20170279195

Time delay device and phased array antenna

The present invention provides a time delay device which allows changing, in accordance with a frequency of a local signal, a delay in a radio frequency signal supplied to an antenna element and also allows reducing a degree of dependency of the delay on a radio frequency in a band... Fujikura Ltd

09/28/17 / #20170279275

Power storage system and power storage method

A power storage system includes a power generation element that performs environmental power generation, a first storage battery that receives power generated by the power generation element and supplies the power to a load device, a second storage battery that has a capacitance smaller than that of the first storage... Fujikura Ltd

09/21/17 / #20170269294

Optical fiber

The refractive index of the inner core part 11 in a region in contact with the boundary of the outer core part 12 is higher than the refractive index of the outer core part 12. The refractive index of the outer core part 12 is gradually decreased from the inner... Fujikura Ltd

09/21/17 / #20170269349

Imaging module, endoscope, and manufacturing imaging module

An imaging module of the invention includes: an image-sensing unit that includes an image-sensing device; a lens that has a front end and is optically connected to the image-sensing device; and a frame that is fixed in position with respect to the image-sensing device and includes a lens barrel having... Fujikura Ltd

09/21/17 / #20170271048

Flame retardant resin composition, cable using same and optical fiber cable

A flame retardant resin composition including a base resin including 18 to 85% by mass of a high density polyethylene, 9 to 69% by mass of a low density polyethylene, and 3 to 25% by mass of an acid-modified polyolefin compound, and 25 parts by mass to 110 parts by... Fujikura Ltd

09/14/17 / #20170261702

Optical fiber fixation structure, semiconductor laser module, and manufacturing semiconductor laser module

The present invention provides a semiconductor laser module with high reliability that has a simple structure that can prevent a resin for fixing an optical fiber from coming off. The semiconductor laser module 1 has a base plate 11, a semiconductor laser device 22 disposed on the base plate 11,... Fujikura Ltd

09/07/17 / #20170256363

Electrolyte for dye-sensitized solar cell element and dye-sensitized solar cell element using the same

(in the formula (1), R1 to R4 each independently represent a hydrogen atom, a hydrocarbon group having from 1 to 6 carbon atoms or the like. R5 and R6 each independently represent an aliphatic hydrocarbon group or the like).... Fujikura Ltd

09/07/17 / #20170256378

Ion filter and manufacturing same

An ion filter used for an electron multiplier includes an insulating substrate; a first conductive layer formed on one main surface of the substrate; and a second conductive layer formed on another main surface of the substrate. The ion filter has a plurality of through-holes formed along a thickness direction... Fujikura Ltd

08/31/17 / #20170248754

Multicore fiber

A multicore fiber includes: a center core that propagates four LP mode light beams including an LP02 mode light beam; and a first to a fifth cores disposed on a first line to a fifth line segments extend from the center of the center core in the radial direction at... Fujikura Ltd

08/31/17 / #20170250452

Filter and designing same

A filter includes: a first resonator and a second resonator; a first strip-shaped conductor which is provided on a dielectric layer provided on a surface of a first wide wall of the first resonator; a first conductor pin which is electrically connected to a first end of the first strip-shaped... Fujikura Ltd

08/17/17 / #20170235042

Multicore fiber

A multicore fiber includes: a first core configured to propagate an LP01 mode, an LP11 mode, and an LP21 mode light beam; and a second core configured to propagate an LP01 mode light beam, wherein a different mode interaction section is provided in which a propagation constant of the LP21... Fujikura Ltd

08/17/17 / #20170235043

Multicore fiber

No core is disposed at the lattice point of a triangular lattice of a first layer LY1. First cores 11a and 11b of the core elements 10a and 10b are disposed at the lattice points of a second layer LY2. A first core 11c of the core element 10c and... Fujikura Ltd

08/17/17 / #20170235055

Optical coupler, laser device, and taper fiber

Provided is an optical coupler configured to cause an NA of light, which exits a taper fiber, to be smaller as compared with a conventional optical coupler. A taper fiber has a high refractive index part which is provided inside a core of the taper fiber and which has a... Fujikura Ltd

08/10/17 / #20170227811

Optical device package, optical switch, and manufacturing optical device package

The present invention relates to an optical device package in which a deterioration in performance of an optical device is suppressed which deterioration may be caused by dust on a light path. An optical device package (10) including a case (13, 14) in which an optical device (11) is sealed... Fujikura Ltd

08/10/17 / #20170229809

Connector

The present invention provides a connector includes a housing having a fitting opening for the object to be connected, signal contacts retained in the housing in parallel disposition, a pressure member capable of pressing the signal contacts, and power source contacts. The power source contacts are retained besides the signal... Fujikura Ltd

Patent Packs
08/10/17 / #20170231087

Printed wiring board

A printed wiring board includes an insulating sheet, a conductive layer formed on one main surface of the insulating sheet, and an insulating film laminated with an adhesive layer on the main surface of the insulating sheet formed with the conductive layer. The position of an end part of the... Fujikura Ltd

08/03/17 / #20170217822

Method of manufacturing optical fiber

(πD2/4)×dP/dL≦0.03  (1)... Fujikura Ltd

08/03/17 / #20170219768

Multicore polarization-maintaining fiber

A multicore polarization-maintaining fiber 10 includes a plurality of cores 11, a cladding 12 surrounding the plurality of cores 11, and a plurality of stress applying parts 15 provided sandwiching the plurality of cores 11 in a region surrounded by the outer circumferential surface of the cladding 12. The cross... Fujikura Ltd

08/03/17 / #20170219782

Tool for releasing engaged state of optical connector

Disclosed is a tool for releasing an engaged state in which a receptacle-side engagement section formed on a side surface of a receptacle provided on a substrate is engaged with a connector-side engagement section of an optical connector that is attachable to and detachable from the receptacle. The tool includes:... Fujikura Ltd

08/03/17 / #20170219871

Optical device package

The present invention prevents an optical device from malfunctioning or receiving a reduced amount of light due to a foreign object adhering to or floating above a light receiving portion of the optical device. A metal frame (31) includes at least one protruding section (34) that protrudes toward an LCOS... Fujikura Ltd

08/03/17 / #20170221609

Oxide superconducting wire, superconducting device, and producing oxide superconducting wire

An oxide superconducting wire includes: a laminate which is formed by laminating a tape-shaped base, an intermediate layer, and an oxide superconducting layer; a first protective layer which is formed of Ag or an Ag alloy and is laminated on a main surface of the oxide superconducting layer of the... Fujikura Ltd

08/03/17 / #20170222726

Optical transmitter, active optical cable, and optical transmission method

A connector which serves as an optical transmitter in accordance with an embodiment of the present invention includes: a transmitting circuit configured to convert a data signal into an electric current signal, the data signal being a three-valued; and an LD configured to convert the electric current signal into an... Fujikura Ltd

07/27/17 / #20170210664

Apparatus for manufacturing an optical fiber

An apparatus for manufacturing an optical fiber including: a drawing portion; a coating portion; and a curing portion, wherein: a direction changer which changes a direction of the bare optical fiber is disposed in any position from the drawing portion to the coating portion; the direction changer includes a guide... Fujikura Ltd

07/27/17 / #20170214212

Fiber laser system, fiber laser system production method, and processing method

The present invention achieves a fiber laser having a high reflection resistance. A length of an optical fiber MMF is set so that a condition is satisfied at each point on an individual optical path of a fiber laser (FL2), the condition being that a difference between time at which... Fujikura Ltd

07/20/17 / #20170203996

Manufacturing optical fiber

There is provided a manufacturing method for an optical fiber that easily reduces transmission losses in the optical fiber. The method includes a drawing process P1 of drawing an optical fiber from an optical fiber preform 1P in a drawing furnace 110; and a slow cooling process P3 of slowly... Fujikura Ltd

07/20/17 / #20170205575

Multicore optical fiber and manufacturing multicore optical fiber

A multicore optical fiber (1) includes a plurality of cores (11 to 16) and a cladding (20) surrounding the outer circumferential surfaces of the cores (11 to 16). In the plurality of cores of the multicore optical fiber (1), a skew value (S) between a pair of cores is expressed... Fujikura Ltd

07/13/17 / #20170199325

Multicore fiber and optical cable

A multicore fiber including two or more cores each capable of single mode transmission, a cladding covering around the two or more cores in common, and a low refractive index portion having a refractive index lower than a refractive index of the cladding, wherein a cross-section perpendicular to a longitudinal... Fujikura Ltd

07/13/17 / #20170199331

Optical fiber splicing structure

An optical fiber splicing structure of the invention includes: an optical fiber connector that is capable of holding an optical fiber at both sides thereof in a radial direction; a receiving optical fiber that is provided inside the optical fiber connector and has a hole opening at an end face... Fujikura Ltd

07/13/17 / #20170199412

Wiring body assembly, structure with conductor layer, and touch sensor

A wiring body assembly includes a first wiring body that includes a first resin layer serving as a support layer and a first conductor layer provided on the first resin layer that includes a first terminal, a second wiring body that includes a third terminal, and a connection body that... Fujikura Ltd

07/13/17 / #20170199600

Wiring body, wiring board, touch sensor, and producing wiring body

A wiring body includes a first conductor layer including a first conductor wire, a resin layer covering the first conductor layer, and a second conductor layer disposed on the first conductor layer through the resin layer and including a second conductor wire. The wiring body satisfies the formula... Fujikura Ltd

07/06/17 / #20170192169

Optical fiber

An optical fiber including a core and a cladding including an inner cladding layer and an outer cladding layer is provided. The refractive index of the core Δ1, the refractive index of the inner cladding layer Δ2, and the refractive index of the outer cladding layer Δ3 have a relationship... Fujikura Ltd

06/29/17 / #20170184803

Optical fiber ribbon and optical fiber cable housing optical fiber ribbon

Provided is an optical fiber ribbon capable of achieving higher density and reduction in diameter and accurately placing optical fibers in V-shape grooves in a fusion machine without failure. The optical fiber ribbon 1 includes three or more of optical fibers 2 arranged in parallel and connecting portions 3 connecting... Fujikura Ltd

06/22/17 / #20170176677

Substrate-type optical waveguide element

An effective refractive index of a TM0 polarized wave guided through the first core when existing alone and an effective refractive index of a TE0 polarized wave guided through the second core when existing alone are continuous as a function of a distance from a starting point of a side-by-side... Fujikura Ltd

06/22/17 / #20170176678

Substrate-type optical waveguide element

An effective refractive index of a TM0 polarized wave guided through the first core when existing alone and an effective refractive index of a TE0 polarized wave guided through the second core when existing alone are continuous as a function of a distance from a starting point of a side-by-side... Fujikura Ltd

06/22/17 / #20170176679

Substrate-type optical waveguide element

Provided is a substrate-type optical waveguide element in which when (i) effective refractive indexes of a TE polarized wave and a TM polarized wave in the first core are NTE@WG1 and NTM@WG1, respectively, and (ii) effective refractive indexes of a TE polarized wave and a TM polarized wave in the... Fujikura Ltd

06/22/17 / #20170176680

Substrate-type optical waveguide element and producing substrate-type optical waveguide element

In a substrate-type optical waveguide element, in a case where effective refractive indexes of a TE polarized wave and a TM polarized wave in a first core are defined as NTE@WG1 and NTM@WG1, respectively, and effective refractive indexes of a TE polarized wave and a TM polarized wave in a... Fujikura Ltd

06/22/17 / #20170176681

Optical waveguide element, light-receiving device, optical communication device, optical modulator, optical resonator, and manufacturing optical waveguide element

An optical waveguide element includes a core and a cladding that is made of SiO2. When ng_i_TE is a group refractive index of a TE0 polarized wave in the i-th waveguide counted from a light incidence plane of the core and ng_i_TM is a group refractive index of a TM0... Fujikura Ltd

06/22/17 / #20170176685

Method for connecting optical waveguide and optical fiber, semiconductor optical device, and manufacturing semiconductor optical device having optical fiber connected thereto

The present invention makes it possible to prevent an optical loss in association with mode field diameter conversion and to prevent deformation in a mode field converter. The present invention includes: (a) temporarily fixing an end surface of an optical fiber (1) to an end surface of a core part... Fujikura Ltd

06/22/17 / #20170179560

Terminator and termination method

A terminator has an upper dielectric layer provided on an upper broad wall of a post-wall waveguide, and a microstrip line (MSL) provided on the upper dielectric layer. A blind via has one end thereof connected with one end of the MSL and is inserted inside the post-wall waveguide. A... Fujikura Ltd

06/22/17 / #20170179670

Optical fiber, fiber amplifier, and fiber laser

Provided is an optical fiber including a low-refractive-index layer that is disposed between a first cladding and a second cladding and that has a refractive index between those of the first and second claddings. The first cladding has a cladding diameter that is 2.5 or more times the MFD of... Fujikura Ltd

06/22/17 / #20170179672

Fiber laser system and outputting laser beam

In a fiber laser system (1) for outputting a laser beam obtained by combining a plurality of laser beams outputted by driving the respective fiber laser unit (2a, 2b, 2c), a control section (7) controls a plurality of current sources (6a, 6b, 6c) so that there are time intervals of... Fujikura Ltd

06/22/17 / #20170179678

Fiber laser system

A fiber laser system enables an improved reflection resistance property. The fiber laser system includes fiber lasers (2 through 4) each having a laser medium which is an optical fiber made from silica glass. A difference between respective lasing wavelengths of any given two of the fiber lasers is greater... Fujikura Ltd

06/22/17 / #20170179683

Ld module

Emitter width of an LD is set greater than a diameter, of a core, in an entrance end surface of an optical fiber. An optical system provided between the LD and the optical fiber causes a diameter, of laser beam, in the entrance end surface of the optical fiber to... Fujikura Ltd

06/22/17 / #20170181282

Printed wiring board

A printed wiring board including: a first substrate on which a plurality of pads to be connected to a connector is arranged to form a front array and a rear array in two rows; a second substrate that is laminated on the first substrate and formed with first wirings connected... Fujikura Ltd








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