公开(公告)号：US20240380172A1

公开(公告)日：2024-11-14

申请号：US18652513

申请日：2024-05-01

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

Inventor： Takashi NAMIE ,  Kazuma KOZURU

IPC: H01S5/02255 ,  H01S5/02251 ,  H01S5/02253 ,  H01S5/40

Abstract: A light-emitting device includes a substrate having a mounting surface, a semiconductor laser element supported by the mounting surface, a first mirror member supported by the mounting surface and having a first reflective surface, and a second mirror member supported by a support member and spaced apart from the first mirror member, and having a second reflective surface at least a part of which is positioned above at least a part of the first reflective surface. The semiconductor laser element is configured to emit a laser beam toward the first reflective surface in a first direction, the first reflective surface reflects the laser beam to change a traveling direction of the laser beam to a second direction, and the second reflective surface reflects the laser beam reflected by the first reflective surface to change the traveling direction of the laser beam to a third direction.

公开(公告)号：US20240371404A1

公开(公告)日：2024-11-07

申请号：US18686441

申请日：2022-08-25

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

Inventor： Hideyuki HATAKEYAMA ,  Koichiro TAKIGUCHI

IPC: G11B5/73 ,  G11B5/82 ,  G11B5/84

Abstract: The purposes of the present invention are to provide a substrate for a magnetic disk and a disk capable of maintaining long-term reliability of a hard disk while dealing with an increase in capacity of the hard disk and to provide a manufacturing method by which a magnetic disk (substrate therefor) having the above-mentioned characteristic can be manufactured. The present invention pertains to: a magnetic disk (substrate therefor) having a pair of main surfaces, wherein a 0.4 to 5.0 mm cutoff wavelength of at least one of the main surfaces of the magnetic disk (substrate therefor) at 25° C. after a predetermined thermal shock test has long wavelength waviness Wa of 2.0 nm or less, especially 0.5 to 2.0 nm, and a 0.08 to 0.45 mm cutoff wavelength thereof has short wavelength waviness μWa of 0.15 nm or less, especially 0.05 to 0.15 nm; and a manufacturing method thereof.

公开(公告)号：US20240368358A1

公开(公告)日：2024-11-07

申请号：US18775986

申请日：2024-07-17

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Jae Kyung KIM ,  Hiroki KINOSHITA ,  Yukihiro IKURA ,  Yasuo NAKAJIMA ,  Kenichi SUYAMA

IPC: C08J5/04

Abstract: A cellulose fiber reinforced resin composition, containing a thermoplastic resin containing a polyolefin resin and an alkoxysilane-modified polypropylene resin, and 101 to 400 mass parts of cellulose fibers based on 100 mass parts of the thermoplastic resin, wherein, in planar view observation, a total area of aggregates of the cellulose fibers is 1.00 mm2/cm2 or less; a method of producing this cellulose fiber reinforced resin composition; and a cellulose fiber reinforced resin formed body.

公开(公告)号：US20240368357A1

公开(公告)日：2024-11-07

申请号：US18777073

申请日：2024-07-18

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Hiroki CHIBA ,  Yusuke KAMADA ,  Takahiro SAKURAI

IPC: C08J3/24 ,  C08G77/20 ,  C08J3/22 ,  C08K3/26 ,  C08K3/36 ,  C08K5/13 ,  C08K5/14 ,  C08K5/5425 ,  C08L23/08 ,  C08L23/14 ,  C08L27/18

Abstract: A silane crosslinkable silicone rubber composition including: with respect to 100 parts by mass of a base rubber containing a millable silicone rubber, 1 to 15 parts by mass of a silane coupling agent graft-bonded to the base rubber; 0.5 to 300 parts by mass of an inorganic filler; and 0.01 to 0.5 parts by mass of a silanol condensation catalyst, a method of producing the same, a silane crosslinked silicone rubber formed body obtained by using the silane crosslinkable silicone rubber composition, and a method of producing the same, and a silane crosslinked silicone rubber formed article including the silane crosslinked silicone rubber formed body.

公开(公告)号：US12119137B2

公开(公告)日：2024-10-15

申请号：US17782488

申请日：2020-12-04

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Akinobu Nakai

IPC: H01B12/00 ,  H01B12/02 ,  H01F6/06 ,  H01R4/68 ,  H01R43/00

CPC classification number: H01B12/02 ,  H01F6/06 ,  H01R4/68 ,  H01R43/00

Abstract: A connection structure of high-temperature superconducting wires includes first and second superconducting wires which are high-temperature superconducting wires respectively having a base material consisting of metal or alloy, and an oxide superconducting layer formed on the base material. A joint portion containing a superconducting connection portion between the first and second superconducting wires joins the first and second superconducting wires in a positional relationship facing the surfaces of first and second superconducting layers which are the oxide superconducting layers of each of the first and second superconducting wires, are opposed to each other. In a base material of at least one superconducting wire among the first and second superconducting wires, a first portion constituting the joint portion is thicker than a second portion not constitute the joint portion in the same base material.

公开(公告)号：US20240332960A1

公开(公告)日：2024-10-03

申请号：US18743349

申请日：2024-06-14

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Asuka ABE

IPC: H02J1/10 ,  H02J1/08 ,  H02J13/00 ,  H02M3/04

CPC classification number: H02J1/102 ,  H02J1/08 ,  H02J13/00006 ,  H02M3/04

Abstract: An electric power converter includes: a direct current electric power conversion unit connected to a direct current bus and configured to convert input electric power and output the converted electric power; a measurement unit configured to obtain a measured value of an electric characteristic value of the input electric power or the output electric power; a communication unit configured to perform communication with an external device and receive a reference function having a characteristic with a defined target value for an electric characteristic value according to an input value; a storage unit configured to store a standard reference function having a predetermined characteristic; and a control unit configured to control an electric power conversion characteristic of the electric power conversion unit based on a target value determined according to an input value, by voltage control corresponding to the characteristic, or by electric power control or electric current control.

公开(公告)号：US20240326161A1

公开(公告)日：2024-10-03

申请号：US18744086

申请日：2024-06-14

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Tomomichi YASUOKA ,  Takashi KAYAHARA ,  Toshiaki SAKAI ,  Ryosuke NISHII ,  Takashi SHIGEMATSU

IPC: B23K26/06 ,  B23K26/21

CPC classification number: B23K26/0608 ,  B23K26/0648 ,  B23K26/21

Abstract: A method of welding a workpiece by using a laser is provided which includes disposing a workpiece in a region to be irradiated with laser light from a laser oscillator; and irradiating the workpiece with the laser light from the laser oscillator such that an irradiated portion of the workpiece is melted and welded while sweeping the laser light over the workpiece by relatively moving the laser light and the workpiece. The laser light is formed of a main beam and an auxiliary beam, at least part of the auxiliary beam being disposed anteriorly in a sweep direction, and the main beam has a power density equal to or greater than a power density of the auxiliary beam.

公开(公告)号：US12072526B2

公开(公告)日：2024-08-27

申请号：US18327503

申请日：2023-06-01

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Kazunori Mukasa

IPC: G02B6/02 ,  G02B6/036

CPC classification number: G02B6/03633 ,  G02B6/02 ,  G02B6/02004 ,  G02B6/036 ,  G02B6/0365 ,  G02B6/02214

Abstract: An optical fiber includes: a core portion made of glass; and a cladding portion made of glass, having a refractive index lower than the refractive index of the core portion, and positioned on an outer periphery of the core portion. Further, the cladding portion has an outer diameter smaller than 100 μm, and the core portion has a relative refractive-index difference of 0.32% to 0.40% with respect to the cladding portion.

公开(公告)号：US20240279517A1

公开(公告)日：2024-08-22

申请号：US18635166

申请日：2024-04-15

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Kenji TOKUHISA

IPC: C09J163/08 ,  C08G59/02 ,  C08G59/50 ,  C08G65/38 ,  C08G83/00 ,  C08K3/36 ,  H01L23/29

CPC classification number: C09J163/08 ,  C08G59/027 ,  C08G59/5073 ,  C08G65/38 ,  C08G83/007 ,  C08K3/36 ,  H01L23/295 ,  C09J2203/326

Abstract: An adhesive composition containing: an epoxy resin (A) having a fused ring structure; an epoxy resin curing agent (B); a polyrotaxane compound (C); and a polymer component (D), wherein the polyrotaxane compound (C) is contained in a content of 5 to 15 parts by mass based on total 100 parts by mass of contents of the epoxy resin (A) and the polymer component (D); a film adhesive using the adhesive composition; and a semiconductor package and a producing method thereof.

公开(公告)号：US12066657B2

公开(公告)日：2024-08-20

申请号：US17393957

申请日：2021-08-04

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yusuke Inaba ,  Junichi Hasegawa ,  Maiko Ariga ,  Kazuki Yamaoka

IPC: G02B6/12 ,  G02B6/293 ,  G02B6/42 ,  H01S5/0239

CPC classification number: G02B6/12007 ,  G02B6/1203 ,  G02B6/29398 ,  G02B6/4228 ,  G02B6/4244 ,  G02B6/426 ,  H01S5/0239 ,  G02B6/29338 ,  G02B6/29352 ,  G02B6/4286

Abstract: An optical module includes: a substrate and a waveguide element having a mount face opposed to the substrate, the waveguide element having an interference waveguide portion having an optical interference function. Further, the mount face includes a projection region to which the interference waveguide portion is projected on the mount face and a non-projection region, and the waveguide element is joined to the substrate with a joint material in the non-projection region.