公开(公告)号：US11031746B2

公开(公告)日：2021-06-08

申请号：US16539384

申请日：2019-08-13

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yuta Ishige ,  Maiko Ariga ,  Masaki Iwama

IPC: H01S5/02251 ,  H01S5/042 ,  H01S5/10 ,  G02B6/42

Abstract: A semiconductor laser module includes a semiconductor laser device that outputs laser light; an optical fiber that includes a core portion and a cladding portion formed at an outer periphery of the core portion and that receives the laser light from one end and guides the laser light to the outside of the semiconductor laser module; an optical part disposed at an outer periphery of the optical fiber, having optical transmittance at a wavelength of the laser light, and that fixes the optical fiber; a first fixative that fixes the optical part and the optical fiber; and a housing that accommodates the semiconductor laser device and the one end of the optical fiber that receives the laser light, wherein an optical reflection reducing region treated to absorb the laser light and having a rough surface is formed around the optical part.

公开(公告)号：US20210162387A1

公开(公告)日：2021-06-03

申请号：US17167280

申请日：2021-02-04

Applicant: Furukawa Electric Co., Ltd.

Inventor： Sadahiro KATO ,  Masayuki FUKUSHIMA ,  Hiroko TAKAHASHI ,  Yuichiro BANBA ,  Kaori SEKINE ,  Takao MASUDA ,  Yuta NAKASAKA ,  Takuya YOSHIKAWA

IPC: B01J29/89 ,  B01J23/46 ,  B01J23/44 ,  B01J23/42 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J35/00 ,  B01J35/10 ,  B01J37/02 ,  B01J37/10 ,  B01J37/00 ,  B01J29/12 ,  B01J29/14

Abstract: A catalyst structure includes a carrier having a porous structure composed of a zeolite type compound and at least one catalytic material existing in the carrier. The carrier has channels communicating with each other, and the catalytic material is a metal fine particle and exists at least in the channel of the carrier.

公开(公告)号：US20210151077A1

公开(公告)日：2021-05-20

申请号：US16611770

申请日：2018-04-09

Applicant: UACJ CORPORATION ,  FURUKAWA ELECTRIC CO., LTD.

Inventor： Kotaro KITAWAKI ,  Takuya MURATA ,  Makoto YONEMITSU ,  Yu MATSUI ,  Yasuo FUJII ,  Ryo SAKAMOTO ,  Takashi NAKAYAMA ,  Wataru KUMAGAI

IPC: G11B5/73 ,  C22C21/12 ,  C22C21/10 ,  C22C21/06 ,  C22F1/057 ,  C22F1/053 ,  C22F1/047

Abstract: There are provided: an aluminum alloy substrate for a magnetic disk, the aluminum alloy substrate including an aluminum alloy including 0.4 to 3.0 mass % of Fe and the balance of Al and unavoidable impurities, in which second phase particles having a longest diameter of 0.5 μm or more and less than 2.0 μm are dispersed at a distribution density of 5000 particles/mm2 or more; a method for producing the same; and a magnetic disk using the aluminum alloy substrate for a magnetic disk.

公开(公告)号：US11002909B2

公开(公告)日：2021-05-11

申请号：US16446010

申请日：2019-06-19

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yusuke Saito ,  Tatsuro Kurobe ,  Tatsuya Kimoto ,  Shinichi Kamiya

IPC: G02B6/14 ,  G02B6/122 ,  G02B6/12 ,  H01S5/026 ,  G02B6/30 ,  G02B6/27 ,  H01S5/10

Abstract: An optical integrated device includes a substrate a passive waveguide region and an active region. The active region and the passive waveguide region include a first mesa structure having an upper cladding portion formed of a same material as the upper cladding layer. The passive waveguide region includes a second spot size converter having the first mesa structure, a second mesa structure having a first core portion, a lower cladding portion, and a second core portion that are formed of same materials as the first core layer, the lower cladding layer, and the second core layer, respectively. The second mesa structure has a width wider than a width of the first mesa structure, and the width of the first mesa structure continuously changes along a longitudinal direction in which light is guided through the second core portion, the width being along a direction perpendicular to the longitudinal direction.

公开(公告)号：US20210130968A1

公开(公告)日：2021-05-06

申请号：US16473763

申请日：2017-12-26

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Miho YAMAUCHI ,  Yoshiaki KOBAYASHI

IPC: C25D3/12 ,  C25D3/38 ,  C25D5/12

Abstract: The surface-treated material (10) according to the present invention is a surface-treated material including an electroconductive substrate (1) and a surface treatment coating film (2) including at least one metal layer formed above the electroconductive substrate (1), wherein a lowermost metal layer (21), as a metal layer included in the at least one metal layer and formed above the electroconductive substrate (1), is made of nickel, nickel alloy, cobalt, cobalt alloy, copper, or copper alloy, the surface-treated material includes an intervening layer (3) between the electroconductive substrate (1) and the surface treatment coating film (2), the intervening layer (3) containing a metal component of the electroconductive substrate (1), a metal component of the surface treatment coating film (2), and an oxygen component, and the mean thickness of the intervening layer (3) is in the range of 1.00 nm or larger and 40 nm or smaller as measured in the vertical cross-section of the surface-treated material.

公开(公告)号：US10998108B2

公开(公告)日：2021-05-04

申请号：US15363518

申请日：2016-11-29

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA AUTOMOTIVE SYSTEMS INC.

Inventor： Yoshikazu Okuno ,  Yoshiaki Kobayashi ,  Tatsuya Nakatsugawa ,  Kengo Mitose ,  Akira Tachibana ,  Shingo Kawata

IPC: H01B1/02 ,  C25D5/12 ,  H01H1/025 ,  B21D53/00 ,  H01H1/04 ,  C25D5/50 ,  B32B15/01 ,  C22F1/10 ,  C25D5/34 ,  C25D7/00 ,  C22F1/08 ,  C22F1/16 ,  C25D3/12 ,  C25D3/30 ,  C25D3/38

Abstract: An electrical contact material (10) having: a conductive substrate (1) formed from copper or a copper alloy; a first intermediate layer (2) provided on the conductive substrate (1); a second intermediate layer (3) provided on the first intermediate layer (2); and an outermost layer (4) formed from tin or a tin alloy and provided on the second intermediate layer (3), wherein the first intermediate layer (2) is constructed as one layer of grains extending from the conductive substrate (1) side to the second intermediate layer (3) side, and wherein, in the first intermediate layer (2), the density of grain boundaries (5b) extending in a direction in which the angle formed by the grain boundary in interest and the interface between the conductive substrate and the first intermediate layer is 45° or greater, is 4 μm/μm2 or less; a method of producing the same; and a terminal.

公开(公告)号：US10988694B2

公开(公告)日：2021-04-27

申请号：US16521287

申请日：2019-07-24

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Masaki Nishiguchi ,  Arifumi Matsumura

IPC: C09K21/02 ,  C08K3/22 ,  H01B3/44 ,  H01B7/295

Abstract: A flame retardant resin composition containing from 30 to 300 parts by mass of a boehmite and an aluminum hydroxide as a total with respect to 100 parts by mass of the resin, wherein a content ratio of the boehmite and the aluminum hydroxide [content of boehmite:content of aluminum hydroxide] is from 85:15 to 15:85; a formed part; and a wiring material each using the same.

公开(公告)号：US20210110951A1

公开(公告)日：2021-04-15

申请号：US17128931

申请日：2020-12-21

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA AUTOMOTIVE SYSTEMS INC.

Inventor： Eiji ARAMAKI ,  Koji KATO ,  Mitsuyuki AKAI ,  Takayuki OKUBO ,  Nobuyuki MINAMI

IPC: H01B13/012

Abstract: A wire harness manufacturing system including a plurality of processing zones and configured to manufacture a wire harness by using a subassembly including a plurality of electrical lines to each of which a connection component is attached includes a conveyance device provided along the plurality of processing zones and including: work boards in a number at least corresponding to the number of the plurality of processing zones; a circulation conveyer configured to sequentially convey each work board in a horizontal state from an upstream side to a downstream side on a downstream conveyance path along the plurality of processing zones and then return the work board from the downstream side to the upstream side on an upstream conveyance path; and a raiser configured to set the work board to a stand-up state in which one of edge parts extending in a conveyance direction of the work board is positioned on an upper side of the other edge part in the work board, and to set the work board in the stand-up state to the horizontal state.

公开(公告)号：US10978851B2

公开(公告)日：2021-04-13

申请号：US16529966

申请日：2019-08-02

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Jun Miyokawa ,  Masakazu Miura ,  Kazuki Yamaoka

IPC: H01S5/022 ,  G02B6/42 ,  H01S5/02208

Abstract: Provided is a package for an optical device and an optical device module that can reduce or prevent damage occurrence in an optical fiber optically coupled to an optical device while ensuring a good airtightness. A package for an optical device includes a package main unit that accommodates an optical device; a pipe portion that is provided in the package main unit and through which an optical fiber optically coupled to the optical device is inserted; and a fixing portion that is provided in the package main unit and to which one end of the optical fiber is fixed, and the pipe portion includes a first pipe section having a base end fixed to the package main unit and a second pipe section joined to a tip of the first pipe section, having a higher thermal expansion coefficient than the first pipe section, to be sealed by a sealing material.

公开(公告)号：US20210082596A1

公开(公告)日：2021-03-18

申请号：US16961451

申请日：2018-12-07

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Akiyoshi ARAKI ,  Hiroshi KANEKO ,  Yoshiaki OGIWARA

IPC: H01B1/02 ,  H01B7/04 ,  H01B5/10

Abstract: The present invention provides a movable cable, which has strength that is at least equal to conventional movable cables while having excellent flexural fatigue resistance and flexibility as well as being lightweight. This movable cable 10 has an electric conductor therein. The conductor comprises a first conductor 2 made of a specific aluminum alloy material wherein: the alloy composition contains, in mass %, 0.05-1.8% Mg, 0.01-2.0% Si, 0.01-1.5% Fe, and at least a total of 0.00-2.00° of one element selected from the group consisting of Cu, Ag, Zn, Ni, Co, Au, Mn, Cr, V, Zr, Ti and Sn, the balance being Al and unavoidable impurities; the crystal grains have a fiber-like metal structure in which the crystal grains all extend in one direction; and in a cross-section parallel to the one direction, the average crystal grain dimension perpendicular to the longitudinal direction is 400 nm or less. The ratio X of the area of the first conductor 2 in the whole conductor of the movable cable 10 is in the range of 10-100%.